AKG Acoustics surround wireless -tv -hi-fi User's Manual
Contents
1. 31 Microphones Headphones Wireless Microphones Wireless Headphones Headsets Electroacoustical Components AKG Acoustics GmbH Lemb ckgasse 21 25 P O B 158 A 1230 Vienna AUSTRIA Tel 43 1 86 654 0 Fax 43 1 86 654 7516 www akg com e mail sales akg com Hotline 43 676 83200 888 hotline akg com H A Harman International Company AKG Acoustics GmbH BodenseestraBe 228 D 81243 Miinchen GERMANY Tel 49 89 87 16 0 Fax 49 89 87 16 200 www akg acoustics de e mail info akg acoustics de Hotline 49 89 87 16 22 50 hotlinede akg com AKG ACOUSTICS U S 914 Airpark Center Drive Nashville TN 37217 U S A Tel 1 615 620 3800 Fax 1 615 620 3875 www akgusa com e mail akgusa harman com For other products and distributors worldwide see our website www akg com Specifications subject to change without notice Printed in Austria 08 03 PROA 14632. Gold plated Vario jack plug Replaceable ear pads Lightweight headphones with powerful sound PORTABLE NEW w Versatile headphones with ultimate accuracy High end headphones Highly realistic sound ideal for classical music Self adjusting headband Gold plated Vario jack plug Replaceable ear pads Patented AKG Varimotion speakers with hand selected diaphragm Reference headphones Legendary high end headphones with binaural imaging UNIQUE AKG FEATURES Self adjusting headband The headband auto matically adjusts to your head to ensure a perfect fit Gold plated Vario jack plug matches both 1 4 and a mini TRS jacks The single 99 99 oxy gen free cable pro vides loss free signal connection for years of useful life Plug in cable with high quality mini XLR connector for easy r cable replacement Optional accessories EK 500 S coiled headphone cable 5 m 16 ft long mini jack plug mini XLR plug for connection on headphones EK 300 headphone cable 3 m 10 ft long mini jack plug mini XLR plug for connection on headphones Replaceable ear pads are made of breathing skin compatible mate rial and easy to clean Patented AKG Varimotion diaphragm The diaphragm is the most important part of the speaker capsule Acoustic scientists require this extremely thin piece of foil to perform the most spec tacular feats An ideal diaphragm shou
3. do at the other see also IVA processing para A because the head trunk and ears cause amplitude and phase shifts All these changes can be illustrated by so called head related transfer function Since these curves differ from person to person everyone perceives sound in a different way Ear matching curves are electronic models of outer ear transfer curves that match the headphone s sound to the user s acoustic perception Digital antenna diversity Diversity reception is normally used in professional wireless micro phone systems to ensure perfect reception even under extremely dif ficult conditions An adaptive algorithm makes sure the antenna that delivers the better signal is always active to prevent dropouts gt VMAx VMAx provides surround sound from a pair of stereo loudspeakers with no extra hardware All you need is a stereo amplifier and speakers The VMAx VMAx processor simulates the en velopment of Surround sound SURROUND SOFTWARE hearo player NEW Windows users love it The Windows Media Player is an impor tant tool for playing back music or video programming on the PC You can now make this program even more powerful simply by downloading a plug in from AKG that provides 3 D sound through conventional headphones without expensive peripherals or com plicated modifications The secret behind this miracle are two technologies that are also used in the famous wireless surround
4. 20 kHz 26 Closed back circum aural earphones Semi open circum aural earphones Good isolation Comfortable single cable Low weight 3 m 10 ft long Comfortable single cable Airy sound for great listening fun 3 m 10 ft long Frequency range 18 Hz to 22 kHz Powerful sound with punchy bass Frequency range 16 Hz to 20 kHz For technical explanations see page 22 HI FI BASIC HI FI ALL ROUND k 71 a Refreshingly new AKG sound in a feather weight package at a tempting price In ad dition the k 71 draw very little current so they are ideal for use with portable eguip ment Featherweight k 71 Hardwire stereo headphones PORTABLE Ideal for portable mini and micro hi fi systems CD MP3 MD DVD multimedia desktop or notebook computers Light weighing only 140 g 5 oz Semi open supra aural earphones Removable easy to clean ear pads Self adjusting headband for perfect comfort Hard gold plated jack plug with plug on adapter Frequency range 20 Hz to 20 kHz k 101 Delicate as they may look the k 101 deliver a surprisingly punchy yet highly accurate sound from their new speakers With their moderate price the k 101 is an ideal up grade from ear buds First love k 101 Hardwire stereo headphones PORTABLE k 301 xtra Looking for superior hi fi sound Love a smooth finely detailed sound High accu racy throu
5. PRO e LOGIC LOGIC7 TRANSMITTER HEADPHONES Integrated Dolby Surround Pro Logic and LOGIC7 surround de Same performance as high end hardwired headphones coders Digital antenna diversity receiver minimizes signal dropouts AKG VA processing for natural spatial sound XXL transducers with computer optimized Varimotion diaphragm Digital and analog inputs geometry for excellent hi fi reproduction Sparkling sound even at For TV video DVD DVD A Hi fi SA CD PC game consoles high volume levels Perfectly suited for high resolution media such as DVD A and Balance control for left right volume adjustment SACD Unbreakable metal arches Digital radio link for minimum noise Exquisite leather headband ACS for zero delay between picture and sound Semi open circum aural dynamic earphones Three selectable radio channels Optimum radio transmission through walls and ceilings Three selectable sound presets Norm Music Movie Max range 165 ft 50 m Memory card extension for loading personal ear matching curves A single transmitter can be used with several sets of headphones from memory cards Comfortable velour ear pads Selectable surround and stereo modes Easy battery charging just place headphones on receiver No 3 in 1 base station transmitter charger and storage cradle for risk of overcharging the headphones High power NiMh rechargeable batteries included for approx 5 hours battery life
6. and clean Semi open supra aural earphones Semi open supra aural earphones Semi open circum aural earphones Soft skin compatible fabric ear pads Comfortable velour ear pads Comfortable velour ear pads 864 MHz band 864 MHz band 864 MHz band NiCd rechargeable batteries approx NiMh rechargeable batteries approx NiMh rechargeable batteries approx 10 hours battery life 20 hours battery life 20 hours battery life Audio bandwidth 20 Hz to 22 kHz Audio bandwidth 20 Hz to 24 kH Audio bandwidth 18 Hz to 24 kHz Unter idealen Ubertragunsbedingungen Freifeld For technical explanations see page 16 18 k 506 ar WA The k 506 afc does not only look different than its lightweight coun terparts it provides an even higher level of quality XXL speakers with patented AKG Varimotion diaphragms deliver a powerful sweeping sound with excellent imaging and accuracy Ideal for music and video programming with a wide dynamic range and highly contrasting sounds For technical explanations see page 16 WIRELESS DESIGN Brilliance in Sound and Design Order your FREE copy of the brochure on the new Design Series headphones from advertising akg com Or visit www akg com for more information 19 TV HARDWIRED k 71 w NEW These cost efficient TV headphones feature a speech optimized sound and extra long cable 20 ft 6 m They are extremely light and comfortable to wea
7. battery re charging starts automatically High capacity rechargeable batteries The supplied batteries have a long life with no risk of overcharging and mini mum memory effect Speech optimized response AKG TV headphones boost the frequency range of human speech Therefore dia logue will be more intelligible amid the am bience sound effects and music mak ing it easier to catch all the subtle nuances of your favorite actor s voice Balance control Everybody perceives sound differently and there may even be differences in sensitivity between your left and right ears The balance control lets you ad just left and right volumes for an opti mally balanced sound Auto tuning function Pressing the Auto tuning button causes the headphones to tune auto matically to the frequency selected on the transmitter Patented AKG Varimotion diaphragm The diaphragm is the most important part of the speaker capsule An ideal diaphragm should combine high compliance around the perimeter with a piston like motion in the center The patented Varimotion di aphragm from AKG does exactly that It is thicker in the center than around its perimeter The result is absolute accu racy better imaging and clarity at high frequencies Being thinner around the rim the diaphragm will vibrate more eas ily to provide a very powerful bass range WIRELESS BASIC Press clippings k 105 uhf k 311 ir k 105 unf Y
8. cable on headphones Pol Computer optimized transducers and diaphragms Patented Varimotion diaphragms KESE SNE TT Saas Minimum friction multilayer diaphragms with VLD Ventilated Linear Dynamic magnet systems Open back dynamic earphones Semi open dynamic earphones Closed dynamic earphones NdFe magnets Suited for use with portable equipment Suited for SAJCD DVDIA MO DAT 0 Suited for use with desktop or notebook computers Batterv life hours 20 5 5 12 10 10 20 20 5 4 Approx max range m 100 50 50 10 100 100 100 100 ILS 100 Price recommended retail EUR 199 798 998 91 20 99 119 139 169 185 185 44 90 139 179 WMS 40 WMS 40 0 AEROBICS SYSTEM HANDHELD SYSTEM BODYPACK SYSTEM C 444 L headset HT 40 handheld trans PT 40 bodypack PT 40 bodypack trans mitter with D 880 micro transmitter mitter phone element SR 40 receiver SR 40 receiver SR 40 receiver MK GL guitar cable CB 40 neoprene bag SPECIFICATIONS HI FI HI FI HI FI HI FI STUDIO BASIC ALL ROUND HIGH END k14 k141 k240 k240 k240 k44 k55 k66 k71 k101 k301 E501 k 1000 hearo 999 AUDIOSPHERE monitor studio monitor studio df studio xtra DIGITAL SURROUND PROCESSOR monitor 240 140 160 245 230 270 Audio inputs Analog 2 x RCA Digital 1 x optical 1 x coaxial selectable 98 1 lala 88 91 104 88 liS 114 We 100 TON 102 94 74 Audio outputs processor controlled 20 2
9. control room provides consistent monitor sound for recording tracking mixing and editing For information visit www akg com INPUT Digital Activates the dig ital audio input Dynamic Dolby Digital provides the full dynamic range of theater eguip ment The DYNAMIC switch lets you reduce the dynamic range to that of standard TV sets or VCRs hearo 999 AUDIOSPHERE II PREMIUM SURROUND Esthetic sound for audiophile individualists MODE IVA Natural spatial binaural sound on head phones Direct stereo mode VMAx provides surround sound from a single pair of stereo loud speakers SURROUND Auto The decoder auto matically selects the required processing mode Dolby Digital for digital in put signals Dolby Surround PRO LOGIC for analog input signals Off The surround de coder is de activated and you are listening to normal stereo In stereo mode you can select one of three room simulations CLUB HALL and STADIUM EARS Every person perceives sound in a different way You can select from one standard setting and six different ear matching curves to find the setting that sounds the most natural to you SOUND Whether you are watching a video listening to music or looking for perfect voice reproduction SOUND al lows you to match the tim bre of the reproduced sound to the type of pro gramming Each of the four basic modes NORM MU SIC VOICE and MOVIE provides t
10. headphone systems of the HEARO Family VA processing developed by AKG provides a sound that does not play inside the head as it would with normal headphone reproduction but actually seems to come from loud speakers placed in your listening room The LOGIC7 decoder automatically identifies the input signal for mat monitors it constantly and simulates up to eight loud speakers distributed around the room It generates the 3 D sound from almost every input signal format from stereo to the latest surround standard To avoid overburdening your PC with its need for processing power the IVA surround processing level can be adjusted auto matically or manually Selectable presets such as MOVIE and Five selectable sound presets ROCK POP CLASSICAL JAZZ MOVIE JAZZ provide typical timbres for a more realistic sound NORM let you match the HEARO Player sound to your personal pref erences The Hearo Player is a real bargain for those who are looking for a Automatic or manual matching of IVA processing level to available way to enjoy surround sound from their PC at home or notebook computing power computer when traveling but do not want to invest in extra hard ware or throw away their favorite headphones HEARO ize your PC e hearo player HEADPHONE SURROUND CENTER KA A AVDAGDUAI VIATA ACOUSTICS LOGIC7 Available as a software plug in for Windows Media Player 9 Series System reguirements Ei Operating system Five selectabl
11. 0 18 24 15 20 15 25 15 20 18 20 16 20 18 22 20 22 18 22 18 26 16 30 20 25 L R RCA jacks 1 x 1 4 TRS headphone output jack Digital signal processor 24 bit 150 MIPS Digital analog converter 20 bit Sampling rate converter 44 1 kHz 48 kHz Audio bandwidth entire audible frequency range Power supply 12 VDC 800 mA secondary Connecting cables RCA to RCA stereo cable RCA to mini jack stereo cable optical digital cable 1 5 m long Stereo adapter mini to 1 4 jack Net weight 550 g 897 119 109 139 129 29 80 34 90 44 90 39 90 64 90 12 168 r WMS 40 MINIATURE GUITAR SYSTEM GB 40 guitarbug PR 40 receiver cable Microphone bag Recommended retail price EUR 459 hearo player NEW SURROUND SOFTWARE PLUG IN Available for downloading from the AKG website www akg com hearoplayer Minimum system requirements Operating system Microsoft Windows 98 Second Edition Windows 2000 Windows Millennium Edition Windows XP Home Edition Windows XP Professional Media Player Windows Media G Player 9 Series Processor min 450 MHz Pentium AMD 1 600 MHz Pentium III recommended RAM 128 MB 256 MB recommended Sound board 16 bit Monitor Super VGA 800 x 600 or higher Headphones all stereo headphones AKG k 101 AKG k 301xtra recommended Recommended retail price EUR 9 90 WMs40 ULTRA HIGH FREQUENCY
12. Diffuse field equalization meets stringent IRT German Institute for Radio Technol ogy standards Single cable for ease of handling 600 ohm impedance for special studio applications Frequency range 15 Hz to 20 kHz For technical explanations see page 22 25 Press clippings HI FI BASIC Press clippings k66 TEST TEST TEST k55 k 44 Looking for cost efficient headphones for many different applications Look no fur ther The k 44 is a true all round performer with solid bass and clean highs at a value price k 55 Some styles of music wouldn t work with out a solid low down gutsy bass range That s exactly what the large 1 6 in 40 mm Turbo bass speakers of the k 55 de liver along with accurate highs Fabulous sound within reach k 55 k 66 Hardwired stereo headphones Hardwired stereo headphones with Turbo Bass speakers with Natural Sound speakers k 44 Hardwired stereo headphones with high power speakers k 66 Reviewers have called the k 66 a best buy Their clear sound provides great listening fun at an incredibly low price Proven AKG self adjusting headband leatherette ear pads and gimbal suspension for excellent comfort Exceptional price performance Closed back supra aural earphones Extremely light Comfortable single cable 2 5 m 8 ft long Powerful sound with punchy bass and clear highs Frequency range 18 Hz to
13. Dolby Surround Pro Logic and Dolby Digital decoders e For TV video DVD DVD A Hi fi SA CD PC game consoles e Accepts analog and digitalinputformats e Selectable surround and stereo modes Stereo mode provides three room simulations e Four selectable sound presets Norm Music Movie Voice e Six selectable ear matching curves Digital radio link e Minimum noise e Digital antenna diversity receiver and transmitter with external swiveling antenna minimize signal dropouts High end headphones e Same performance as high end hardwire headphones e XXL Varimotion speakers with computer optimized diaphragms for excellent response Sparkling sound even at high loudness e Balance control for left right vol ume adjustment e Quick charging system less than 2 hours hearo 999 AUDIOSPHERE DIGITAL PROCESSOR Headphone amplifier with D A converter and room simulator Portable control room provides consistent monitor sound for track ing mixing and editing For information visit www akg com HEARO STANDS FOR SURROUND How to upgrade your stereo to surround without using loudspeakers or cables Experience fantastic theater surround sound at home with no extra loudspeakers The wireless headphones of the HEARO Family turn any conventional stereo source into an advanced surround system All you need to do is connect the HEARO transmitter to your TV set VCR or DVD player Of course you can up
14. Quick charging full power restored in less than 2 hours iii d la Audio bandwidth 18 Hz to 24 kHz under ideal transmission conditions free field 10 SURROUND FOR HI FI PURISTS hearo 888 DIGITAL Live concert realism 11 12 Tailor made The hearo 999 audiosphere II incorporates the best of today s wireless headphone technology In addition to first rate high end wireless headphones digital radio transmission and digital an tenna diversity for virtually noise and dropout free reception the Hearo 999 audiosphere II uses a DOLBY DIGITAL decoder The hearo 999 audiosphere II has been designed for those who like to tweak their equipment to get the best sound You can ad just the frequency response to your own ear transfer curves se lect and fine tune various sound presets to create your own per sonal sound For technical explanations see page 14 All digital wireless surround headphone system with Dolby Digital decoder hearo 999 AuDIoSPHERE II DOs OO YMA X AVBIIDJAL VIRTUAL ACOUSTICS PRO LOGIC DIGITAL TRANSMITTER Integrated Dolby Surround Pro Logic and Dolby Digital surround decoders AKG VA processing for natural spatial sound Integrated headphone amplifier for use with hardwired headphones Six selectable ear matching curves Four selectable sound presets Norm Music Movie Voice Each preset can be fine tuned in three steps Selectable surround and st
15. WIRELESS TV TV HI FI BASIC DESIGN WIRELESS HARDWIRE STUDIO hearo hearo hearo balance balance CR 686 999 L all k105 K 306 k406 k506 k1l22 k216 k7I kI7I T al QUADRA DIGITAL AUDIOS ir uhf afc afc afc ir afc tv studio studio DELUXE PHERE II FEATURES Q a Headphones weight without cable 320 350 350 60 58 240 Transmitter weight g 1300 560 590 156 179 Sensitivity db mW dBV 100 94 107 91 104 Max sound pressure level dB 125 104 104 110 115 103 105 107 Wes 115 Audio bandwidth Hz to kHz 18 24 18 24 18 24 20 22 18 20 20 22 20 24 18 24 30 18 30 18 20 20 18 26 16 28 Power handling capability mW 200 200 200 Rated impedance ohms 55 55 20 32 eZ 19 19 55 32 32 19 55 99 Carrier frequency MHz 864 864 864 2 9 2 0 864 864 864 864 2 9 2 8 864 Auto tuning function Digital transmission _ a IVA processing Dolby Surround Pro Logic decoder SSS Si LOGIC7 decoder Dolby Digital decoder VMAX Convertible jack plug mini to 1 4 ET a S Replaceable ear pads Patented self adjusting headband Ki a 2 7 1 1 iksi RT TTT Exclusive leather headband Automatic on off switch ji ila Swiveling earphones Acoustic ventilation for natural sound il mina Unbreakable metal arches 99 99 oxygen free single cable length in m 6 2 3 Hard gold plated jack plug and contacts Hard gold plated 4 pin XLR connector Cable with 4 pin XLR and stripped and tinned leads for direct connection to loudspeaker terminals Plug in
16. afc balance k 122 ir balance k 216 afc k71 tv High value headphones Self adjusting headband gt High capacity rechargeable batteries Infrared stereo headphones with a clean sound Balance control gt 3in1 RF stereo headphones with powerful bass and a clear high end RF headphones with exceptional sound and styling Self adjusting headband gt 3in1 High capacity rechargeable batteries Autotuning function Powerful sound with extended rai bass range NEW NEW Crisp well balanced sound Patented AKG XXL Vari motion speakers for ultimate accuracy Lightweight wireless TV headphones for exceptional comfort Speech optimized response gt 3in1 High capacity rechargeable batteries Infrared TV headphones with Balance control Channel selector Funk TV H rer mit Balance control Auto tuning function w NEW Hardwire TV headphones with Speech optimized response Balance control Extra long cable 6 m 20 ft NEW UNIQUE AKG FEATURES Self adjusting headband The headband auto matically adjusts to your head to ensure a perfect fit The head band also takes the weight of the head phone off of your ears and distributes it on top of your head gt 3in1 The transmitter serves as astorage cradle and battery charger for the headphones except k 105 uhf As soon as you place the headphones on the transmitter cradle
17. ded with XXL speakers and higher sen sitivity for a wider dynamic range and higher output brings studio standard sound to the world of hi fi A must for every professional user Winners of many awards k 240 monitor Professional stereo head for special phones for studio use studio applications 2 Semi open circumaural earphones k 240 studio Professional hi fi stereo headphones Proven AKG self adjusting headband and gimbal suspension for excellent comfort 99 99 oxygen free cable Dynamic wideband speakers for punchy bass and finely detailed highs Single cable for ease of handling 600 ohm impedance for special studio applications Not for portable use Frequency range 15 Hz to 20 kHz Varimotion XXL speakers for ultimate accuracy Crisp sound even at high volume levels High efficiency and wide dynamic range a good choice for portable use Single plug in easily replaceable cable with mini XLR connector Frequency range 15 Hz HI FI STUDIO TEST k 240 monitor k 141 monitor k 240 monitor k 240 df studio monitor k 240 df studio monitor Radio station reference headphones Dif fuse field equalized and built to IRT Ger man Institute for Radio Technology stan dards the k 240 df provide consistent sound quality under all conditions with its ruler flat frequency response k 240 df studio monitor Reference headphones for radio stations
18. e sound presets ROCK POP CLASSICAL JAZZ MOVIE NORM Microsoft Windows 98 Second Edition let you match the HEARO Player sound to your personal preferences Windows 2000 Windows Millennium Edition Automatic or manual matching of IVA processing level to available computing Windows XP Home Edition Windows XP Professional Media Player Windows Media Player 9 Series High end equipment type user interface Processor min 450 MHz Pentium AMD Available for downloading from www akg com hearoplayer as a free demo or the 1 600 MHz Pentium III recommended RAM 128 MB 256 MB recommended Sound board 16 bit Monitor Super VGA 800 x 600 oder higher WWW akg com he aro pla V er Headphones all stereo headphones AKG k 101 AKG k 301xtra recommended power moderately priced full version You can download the Windows Mediae Player 9 Series directly at www akg com hearoplayer The Windows Mediae Player 9 Series supports the following audio and video file types Audio file types Audio CD mp3 wav midi wma Video file types mpeg avi wmv Video CD Additional file types asf auiff au wpl wmx wmd wmz Windows is a registered trademark of Microsoft Corporation in the United States and other countries Windows Media is either a registered trademark or trademark of Microsoft Corporation in the United States and or other countries 15 is k 105 uhf k 306 afc k 406 afc k 506
19. ereo modes Three room simulations available in stereo mode VMAx delivers surround effect from a single pair of loudspeakers Accepts digital and analog input signals TV video DVD DVD A Hi fi SA CD PC game console Perfectly suited for high resolution media such as DVD A and SA CD Digital radio link for minimum noise ACS for zero delay between picture and sound Optical and coaxial digital inputs External swiveling antenna for efficient transmission 864 MHz UHF operating band hearo 999 AUDIOSPHERE DIGITAL PROCESSOR HEADPHONES Same performance as high end hardwired headphones Digital antenna diversity receiver minimizes signal dropouts XXL transducers with computer optimized Varimotion diaphragm geometry for excellent hi fi reproduction Sparkling sound even at high volume levels Balance control for left right volume adjustment Unbreakable metal arches Exquisite leather headband Semi open circum aural dynamic earphones Optimum radio transmission through walls and ceilings Max range 165 ft 60 m Asingle transmitter can cover several headphones Choice of leather or velour ear pads High power NiMh rechargeable batteries included for approx 5 hours battery life Quick charging in less than 2 hours Audio bandwidth 18 Hz to 24 kHz under ideal transmission conditions free field Headphone amplifier with D A converter and room simulator Portable
20. ghout the audio frequency range Then the k 301xtra are for you We are sure the k 301xtra will be the best sell ing model in its price bracket with its wide range sound k 301 xtra Hardwire stereo headphones with XXL Varimotion speakers for utmost accuracy Ideal for stationary and portable mini and micro hi fi systems CD MP3 MD DVD multimedia for desktop or notebook computers Comfortable leatherette ear pads easy to remove and clean Self adjusting headband for perfect comfort Hard gold plated jack plug with screw on adapter Semi open supra aural design Padded headband Light weighing only 160 g 5 6 oz Frequency range 18 Hz to 22 kHz Semi open circum aural design Leather headband Frequency range 18 Hz to 26 kHz For technical explanations see page 22 27 Press clippings TEST If you think that the development of stereo headphones has reached its ceiling the AKG k 501 will make you change your mind The undisputed flagship of our reference class and many reviewers favorite delivers a spacious airy sound at the high freguencies which has earned it an excellent reputation among lovers of classical music Although the physical difference is minimal it 28 k 501 The soloist k 501 makes an enor mous difference for sound purists The diaphragm is 80 um thick in its central area for enhanced clarity at high frequencies and thinner around its perimete
21. grade your hi fi PC or game console as well Each HEARO transmitter incor porates one or more surround decoders so you ll need no extra We will be happy equipment to send you a separate detailed HEARO Family folder advertising akg com The HEARO PLAYER plug in is a special goody for PC users It Or visit www akg com has been developed for Windows Media Player the standard for more information audio player for Windows and upgrades your stereo head phones to surround phones with no expensive peripherals or complicated modifications x Home theater TV DVD VCR Hi fi SA CD DVD A PC game consoles Press clippings wm Haay Upper class Price performance aa good to excellent m REVIEW Vi DEO Ga Piit Il 4 REVIEW mi ji mi Going to the movies Going to the movies now means cuddling up on your sofa and putting on your favorite DVD All you need is a HEARO no ex tra decoder no extra loudspeakers no extra cables Take some time to enjoy IVA processing The sound won t seem to come from your headphones but from where the loudspeak ers would normally sit You will hear details you ve never heard before Now switch in one of the surround decoders Select Dolby Surround Pro Logic and experience the typical surround sound from four directions Or enjoy the full eight channels of the LOGIC7 decoder from high end audio equipment manufacturer LEXICON You will fee
22. hat lead to future oriented headphone technologies We do not follow short lived trends but strive to develop true audio in novations Countless awards and more than 1 400 international patent applications attest that this has been a good strategy The important thing for us is to make sure you will be satisfied with our products and services for many years Curious Why don t you try our headphones and compare them against other models am sure you will find that AKG headphones do not just re produce audio but make you enjoy what you hear That s the differ ence Dr Hugo Lenhard Backhaus CEO AKG Acoustics GmbH Vienna AKG history Pioneering spirit best characterizes the ambitious work of AKG founders Dr Rudolf Gorike and Ing Ernst Pless After the war people went to the movies seeking distraction from the stress of post war life so Rudolf G rike built movie projectors and loudspeakers while Ernst Pless used his rucksack and bicycle to deliver the goods to constantly growing numbers of customers Their very first customer was unable to pay in cash so he settled the bill in food fresh from the black market When AKG was established in 1947 the company headquarters were located in a basement in the suburbs of Vienna Before long many AKG microphones were in use mainly at radio stations in the aters on small stages and at jazz clubs In the early 1950s the two founders of AKG made their busines
23. he ambient sounds and music become louder too so you won t hear the actors voices any better The comfortable TV headphones from AKG have been optimized for speech reproduction and al low you to adjust the left right volume ratio They bring a new level of fun to TV watching Available models k 71 tv hardwired TV headphones balance k 122 ir infrared wireless headphones balance k 216 afc RF wireless headphones TV WIRELESS You can see at first sight that these are special headphones The Balance Series headphones have indeed been designed for lounging on the sofa in front of the TV Designed for couch potatoes these wireless headphones are true stress killers Optimized for speech re production and featuring volume and balance controls they make watching and listening to TV a highly comfortable experience par ticularly if your partner is less keen on listening to the sound of your favorite program Another convenient feature is the automatic on off switch the headphones will switch on automatically when you put them on and off as you take them off balance k 216 afc balance k 122 ir The balance k 122 ir uses infrared transmission that depends on The balance k 216 afc uses RF radio transmission An Auto tun a direct line of sight between the transmitter and receiver Wher ing button causes the receiver to tune automatically to the trans ever you can see the transmitter you can move about as you like mitter freq
24. headphones dream of sound Surround wireless tv hi fi The world listens to AKG Hi fi TV Home Theater Multimedia Stage Recording and Mixing Studio Broadcast Installed Sound Industry In the summer of 2002 nearly one billion people were listening to AKG Maybe you were one of them Re member the opening ceremony of the soccer world cup in Seoul The sound system there used the latest wireless technology from AKG One reason was that AKG is one of the world s leading manufacturers of headphones and microphones plus AKG audio equipment has been in use in countless concert halls conference rooms broadcast and recording studios theaters and rock concert venues all over the world A lot of mobile phones and a grow ing number of cars including the new Maybach ultra luxury sedan from DaimlerChrysler use AKG technology So whether you own a Maybach or not treat your ears to tailor made AKG sound and experience the finest reproduction available Phones for every head Talking about headphones you go for the very best So do we Although high guality components are a prereguisite for any high gual ity product including headphones it takes more than that to make an excellent product right In the case of AKG the difference is more than 55 years of experience and know how painstaking attention to the smallest detail and our constant endeavors to create better products t
25. her kind of headphones Driven by dedicated VLD magnet systems minimum friction multi layer diaphragms provide plane wave sound fields in front of the ears The sound field is subjected only to the changes and reflections caused by the anatomy of the user s outer ears This is the most natural way of headphone lis tening Small wonder that the k 1000 were chosen Headphones of the Year more than once Incredibly natural spacious sound k 1000 Top of the line fully professional headphone monitor system Top class reference headphones ideal monitor headphones for studio use Equivalent to a pair of high quality loudspeakers worn on your head its speakers float in front of the ears Totally open design using minimum friction multi layer diaphragms and VLD Ventilated Linear Dynamic magnet systems for binaural sound Leather pads keep speakers at a defined distance from the ears and retractable support pads allow for individual adjust ment to every head shape Proven AKG self adjusting headband and swiveling earphones for adjusting the angle between speakers and ears ensure excellent comfort Each k 1000 system is individually tested and numbered and comes in a wooden box Connecting cable with 4 pin XLR connector and stripped and tinned leads for connection to the loudspeaker terminals of your amplifier receiver Frequency range 30 Hz to 25 kHz 29 50 SURROUND WIRELESS
26. hree fine ad justment settings 13 AKG SURROUND TECHNOLOGY Dolby Surround Pro Logic decoder Movie soundtracks are usually mixed down to four channels Left and Right are the same two channels used for hi fi stereo The third channel is the Cen ter channel projected from above or be low the video screen The fourth channel is called surround or rear and is usu ally projected by two loudspeakers placed behind the listeners These four channels are encoded by a special circuit and recorded in piggy back fashion on the two stereo tracks This allows the signal to be reproduced in mono stereo or using a decoder through four separate channels For sur round reproduction the signal needs to be decoded This is the job of the Dolby Surround decoder Dolby Digital decoder The digital multi channel format of Dolby Laboratories Inc used in advanced commercial theater equipment is the most widespread digital surround stan dard for DVDs laser discs and digital TV The distinguishing feature of Dolby Digital is that all tracks five audio tracks plus one subwoofer track are stored separately in digital form These discreet channels allow an optimized spatial sound to be generated that can be processed in the digital domain by IVA DC B6i5Y suRRGUNO IVA processing Patented AKG IVA processing for spa tial sound is the heart of each HEARO
27. ies approx 10 hours battery life Audio bandwidth 18 Hz to 20 kHz 3 in 1 Under ideal transmission conditions free field For technical explanations see page 16 17 k 306 afc k 406 afc Looking for headphones that sound as fantastic as they look This line of wireless headphones has been sculpted to match modern interior design And since they bear the AKG label their sound is as stunning as their appearance While the k 306 afc is a versatile system for TV rock and pop the k 406 afc with its detailed sound is an ideal choice for more demanding listeners Wireless sculptures k 306 afc k 406 afc k 506 afc Wireless RF stereo headphones Wireless RF stereo headphones Wireless RF stereo headphones with XXL Lightweight all round system Extremely light headphones brilliant and Varimotion speakers for maximum accuracy detailed sound Powerful and sweeping sound Three channel PLL synthesizer for reliable reception Several headphones can be used simultaneously with a single trans Optimum radio transmission through walls and ceilings mitter Max range 100 m 330 ft Self adjusting padded headband optimally conforms to every head Auto tuning function Transmitter doubles as storage cradle and charger 3 in 1 Connects to any audio source Automatic Gain Control sets Headphones do not need to be switched off for charging optimum audio levels continuously Ear pads are easy to remove
28. illboard survey Afavorite of many great international pop stars a new version with XXL speakers for higher sensitivity a wider dynamic range and higher output Cult status studio headphones available for hi fi users k 141 monitor k 141 studio PORTABLE Stereo studio headphones recommended N Hi fi stereo headphones recommended for recording studios 4 g a 3 for use with portable and home hi fi equipment recording _ monitoring and mixing Semi open supra aural earphones Proven AKG self adjusting headband and gimbal suspension for excellent comfort 99 99 oxygen free cable Most widely used headphones in US studios Varimotion XXL speakers for ultimate accuracy Crisp sound Single cable for ease of use even at high volume levels 600 ohm impedance for special studio applications High efficiency and wide dynamic range a good choice for Frequency range 20 Hz to 20 kHz portable use Single plug in easily replaceable cable with mini XLR connector Frequency range 18 Hz to 24 kHz For technical explanations see page 22 24 Pressestimmen TEST NiDEQ Ama A TESTI k 240 monitor A classic bv now the k 240 monitor has been one of the best selling models in AKG s history Its wideband dynamic speakers deliver punchy bass and finely detailed highs Its natural uncolored sound has made it immensely popular k 240 studio The improved version of a classic up gra
29. l as if you were at the movies The XXL speakers with patented AKG Varimotion diaphragms provide powerful sound and ensure accurate reproduction even at high volume levels This feature has made HEARO Family headphones very popular with hi fi enthusiasts too For technical explanations see page 14 Wireless eight channel surround headphone system hearo 777 OUADRA DELUXE AVDAGDUAI VIRTUAI ACOUSTICS TRANSMITTER Integrated Dolby Surround Pro Logic and LOGIC7 surround decoders AKG VA processing for natural spatial sound For TV video DVD DVD A Hi fi SA CD PC game consoles Three channel PLL synthesizer for reliable reception Auto tuning feature automatically tunes receiver to transmitter fre quency at the push of a button Ease of connection to any audio source Automatic Gain Control sets optimum audio levels continuously Selectable surround and stereo modes 3 in 1 base station transmitter charger and storage cradle for the headphones DC pov SURRGUNO PRO e LOGIC HEADPHONES Semi open dynamic design Varimotion XXL transducers for extremely accurate response Optimum radio transmission through walls and ceilings Max range 330 ft 100 m Choice of comfortable detachable easy to clean fabric covered or velour ear pads A single transmitter can be used with several sets of headphones Easy battery charging just place headphones on receiver No risk of overchargi
30. ld combine high compliance around the perimeter with a piston like motion in the center The patented Varimotion diaphragm from AKG does exactly that It is thicker in the center than around its perimeter so it moves like a piston and is immune to partial oscillations The result is ab solute accuracy better imaging and clarity at high frequencies Being thin ner around the rim the so called move ment zone the diaphragm will vibrate more easily to provide a very powerful bass range The audiophile grade k 501 uses a thicker 80 um foil with even more sta ble vibration performance The di aphragms on the k 501 are hand se lected and feature trapezoidal corrugations that further enhance their excellent acoustic performance k 171 studio The best choice for tough use in loud environments DJs love these rugged headphones that allow for comfortable single ear monitoring and the incredible amount of isolation delivered by these closed back earphones And it goes without saying that the k 171 studio deliver exactly the kind of powerful sound a DJ needs Its party time k 171 studio PORTABLE Hi fi stereo headphones recommended for broadcast DJ mixing use HI FI STUDIO Press clippings TEST k 171 k 271 k 271 studio Minimum leakage and ambient noise reduction are important re quirements for monitoring in radio TV and recording studios At the same time these circum aural headphones sound great and a
31. nel PLL UHF synthe sizer tuner for reliable reception e AGC for automatic matching to audio source output level e Autotuning function High quality headphones e Varimotion XXL speakers for extremely accurate response e Sparkling sound even at high loudness hearo player w Integrated Dolby Surround Pro Logic and LOGIC7 surround decoders e For TV video DVD DVD A Hi fi SA CD PC game consoles e Acceptsanalogand digital input formats e Selectable surround and stereo modes e Three selectable sound presets Norm Music Movie e Memory card extension for loading personal ear matching curves Digital radio link e Minimum noise e Digital antenna diversity receiver minimizes signal dropouts High end headphones e Same performance as high end hardwire headphones e XXL Varimotion speakers with computer optimized diaphragms for excellent response Sparkling sound even at high loudness e Balance control for left right vol ume adjustment e Quick charging system less than 2 hours Available from spring 2004 Page 15 Software plug in for Windows Media Player 9 Series for natural spatial sound through headphones e IVA processing and LOGIC7 surround decoder e Five selectable sound presets Rock Pop Classical Jazz Movie Norm e Automatic processing level adjustment to available computing power Download your copy from www akg com hearoplayer INDIVIDUAL VIRTUAL ACOUSTICS Integrated
32. ng High power NiMh rechargeable batteries included for approx 20 hours battery life Audio bandwidth 20 Hz to 24 kHz under ideal transmission conditions free field SURROUND FOR TV HOME THEATER HI FI hearo 7 7 QUADRA DELUXE Authentic theater surround sound Welcome to digital Cloud 9 The hearo 888 digital is a digital surround personal listening sys tem with the kind of wireless headphones that high end enthusi asts have been waiting for Digital radio transmission and digital antenna diversity circuitry afford virtually noise and dropout free reception Incredible as it may seem the hearo 888 digital actually provides the same audio quality as comparable hardwired headphones Patented VA processing makes the headphone sound seem to come from loudspeakers while the integrated Do by Surround Pro Logic and LOGIC7 surround decoders add surround sound signals So if you are looking for headphones that are equally good at dramatic movie sound effects crystal clear dialog accurate music reproduction as well as the most delicate violin sound the quietest piano notes or the most ethereal guitar overtones then the Hearo 888 digital is the best choice for your discriminating ears For technical explanations see page 14 Wireless eight channel surround headphone system with digital radio link for use with high end equipment hearo 888 vara WF DQ potey SURROLND 7 FVBIIDUAL WATUMA ACOUSTICS
33. our untiring companion If you want to listen to your favorite CD Ideal for active hi fi enthusiasts who wouldn t want to miss lively for the eleventh time without bothering your neighbors or are plan powerful bass and clear highs even when they are busy around ning for a long night on the sofa watching TV the k 311 ir is your the house or garden The RF signal of the k 105 uhf will penetrate ideal companion A balance control lets you adjust the left right walls and ceilings Also ideal for TV multimedia computer use volume ratio for added convenience Infrared k3l1lir k 105 uhf Wireless infrared stereo headphones with balance control Wireless RF stereo headphones Semi open circum aural earphones Several headphones can be used simultaneously with a single transmitter Breathing soft circum aural fabric ear pads and proven self adjusting headband for excellent comfort Infrared transmission max range 10 m 33 ft RF transmission optimum signal quality penetrates walls and Convenient volume control on the headphones ceilings Max range 100 m 330 ft Balance control for left right volume ratio adjustment Convenient slim line transmitter with integrated antenna 3 in 1 transmitter doubles as storage cradle and charger Selector switch for three different frequencies NiCd rechargeable batteries approx 12 hours battery life 864 MHz band Audio bandwidth 20 Hz to 22 kHz NiCd rechargeable batter
34. ow the unique advan tages of the LOGIC7 decoder are avail able for headphones for the first time The LOGIC7 decoder automatically identifies the input signal as mono stereo or surround encoded and processes the signals appropriately The LOGIC7 decoder uses the localiza tion Cues contained in stereo signals to generate a 3 D sound that conveys to the listener a sense of envelopment in the sound rather than standing in front of a pair of loudspeakers Surround en coded signals are reproduced exactly as defined in the mix Along with the standard 5 1 surround format LOGIC7 also provides left and right side channels for a total of seven loudspeaker channels plus one sub woofer channel In addition another surround center channel is added in the headphone mode In conjunction with IVA process ing LOGIC7 provides its full perform ance level with eight virtual loudspeak ers The result is far more natural and accu rate imaging ference and jamming from devices emitting RF radiation such as TV sets or computers Eight channel surround Eight channel surround is an improved version of the internationally accepted five channel format The new format models eight virtual loudspeakers distributed around the room The result is an incredi bly spacious sound Eight channel surround requires a 7 LOGIC7 decoder Ear matching curves Sound waves from a given source arrive at one ear earlier than they
35. r A control box provides separate left and right volume controls The k 71 tv has a dual channel mode too 20 Long cable Close in sound k 71 tv Hardwire TV stereo headphones with 6 m 20 ft cable Easy to connect to every TV set or hi fi system Control box with separate left and right volume controls for setting volume and balance Mono stereo dual channel mode selector allows language selection on dual language programming Speech optimized response Semi open supra aural earphones Single cable for ease of use Easy to replace washable ear pads Audio bandwidth 20 Hz to 20 kHz For technical explanations see page 16 Loud and soft are highly subjective terms This is why TV often causes quarrels among friends or within the family What sounds soft to one person may be too loud for the next Of course the volume should be set so that every body gets all the dialog but turning the volume up does not necessarily mean the dialog becomes any clearer and certainly won t create a pleasant relaxed mood Sounds familiar The reasons are simple Everybody perceives sound differently and your left ear may be more sensitive than your right ear This means that sometimes it would be better if the sound were a little louder at one ear than it is at the other Another reason is that most headphones are de signed for music reproduction If you just turn up the volume of your TV set t
36. r for solid accurate bass response To further improve the sound the hand selected diaphragms are reinforced with trapezoidal corrugations Hardwired high end stereo headphones recommended for audio purists and lovers of classical music Revolutionary Varimotion diaphragms for perfect imaging and resolution along with extremely accurate response Open back circum aural earphones Replaceable acoustically ventilated ear pads for impressive stereo perspective Proven AKG self adjusting headband leatherette ear pads and gimbal suspension for excellent comfort Convenient single sided cable Hard gold plated jack plug with screw on adapter Frequency range 16 Hz to 30 kHz _ p k A 4 KI For technical explanations see page 22 HI FI HIGH END Press clippings TEST TEST TEST AUDIO PROFESSIONAL k 1000 The only thing the k 1000have in common with conventional head phones is that you wear them on your head They are the reward for the many years AKG engineers spent searching for the ulti mate natural spacious sound The k 1000 is a totally open design Small leather pads hold the speakers a small distance away from the ears creating a defined acoustic space This is the visible aspect of the design that creates the same nat ural binaural perception of sound as a pair of stereo loudspeak REFERENCE CLASS ers would On the inside too the k 1000 are totally different from any ot
37. re light and easv to use What makes them a first choice among studio engineers is their accurate response and the auto shutoff feature that mutes the headphones when the user takes them off Fix it in the mix k 271 studio Hi fi stereo headphones recommended for live sound and studio monitoring Varimotion XXL speakers for ultimate accuracv Crisp detailed sound even at high volume levels Single plug in easily replaceable cable with mini XLR connector Gimbal suspended ear cups for gentle adjustment to your ears Self adjusting headband conforms to every head shape High efficiency low impedance and wide dynamic range make them a good choice for portable use Hard gold plated contacts and jack plug with screw on adapter 99 99 oxygen free cable Plug in cable m 1 Closed back supraaural earphones Ideal for DJS rugged loud light allow for single ear monitoring Frequency range 18 Hz to 26 kHz Closed back supra aural earphones Automatic ON OFF switch headphones will mute automatically when they are taken off Frequency range 16 Hz to 28 kHz For technical explanations see page 22 23 Press clippings TEST k 141 monitor k 240 monitor AUD He TEST k 141 monitor TEST k 141 studio k 141 monitor k 141 studio Cult status headphones and most used headphones in US studios The most popular headphones of US studios is now available in B
38. rs Portable reverberation units created a new market in the 1960s and 1970s Telephone transducers soon became a rapidly growing product line This period also saw the advent of digital tech nology and AKG made its successful digital debut at the 1980 Olympic Games in Moscow As early as 1974 AKG built the first wireless headphones At that time con sumers were skeptical and many felt the new technology was too complicated In the late 1980s AKG launched the K 1000 headphones that were a dramatic improvement over all earlier attempts at creating a natural binaural headphone sound The audio community was full of praise The new results of psychoa coustic research were presented in exhibitions at the Deutsches Museum in Munich the Kunst Museum of Bonn and even used by the Audimir space flight project The crew on board the MIR performed several tests to exam ine the meaning of sound source localization for the humans in space The new AKG wireless microphone systems launched in 1996 used a new revolutionary technology that was widely acclaimed in the marketplace Big name pop artists such as Rod Steward Peter Gabriel and Simply Red used the systems on their tours and AKG became the preferred brand for many other famous musicians At the turn of the millennium AKG engineers came up with the latest genera tion of the HEARO Family a new line of wireless headphone systems using the latest surround technology And the s
39. s breakthrough with completely new technologies The micro phones of that era had a strangely shrill and hollow sound and AKG technology added warmth and fullness to microphone s sound In 1958 the first AKG dynamic microphone in the world became an interna tional Success and the first large diaphragm condenser microphone with re motely selectable polar patterns set new standards for professional micro phones Almost every major radio or recording studio including BBC London one of the first buyers used these microphones The following years saw numerous new developments Many innovations of that period are still in use today The K 10 headphones used by the European Parliament are but one example AKG research engineers have always loved exotic challenges One of those was a real life test of hydrophones for the Austrian deep sea scientist Hans Hass and AKG designers were happy to spend days swimming and diving at the Di ana Bad indoor pool in downtown Vienna that was very popular in those days The AKG team also fulfilled the very special wishes of Herbert von Karajan They had to hide all the microphones at the first post war Salzburg Festival because the maestro had decreed that the audio equip ment must be totally invisible to the audience The company expanded and patents were applied for in rapid Succession AKG supplied microphones to major tape recorder manufacturers including Philips Grundig Uher Loewe and othe
40. ssion Reliable reception through reception wherever you can see the transmitter walls and ceilings within max range of 330 ft 100 m Suited for rooms up to 65 m in size max range 43 ft 13 m Auto tuning function Selector switch for dual language programming language 1 or 2 864 MHz band or stereo mode Audio bandwidth 30 Hz to 18 kHz Audio bandwidth 30 Hz to 18 kHz under ideal transmission conditions free field For technical explanations see page 16 el k 171 studio k 271 studio k 141 monitor k 141 studio k 240 monitor k 240 studio k 240 df studio monitor k 44 k 55 k 66 kal k 101 k 301 xtra k 501 k 1000 Headphones for special applications Self adjusting headband Gold plated screw on jack plug and detachable cable Replaceable ear pads For DJ and mixing use with 7 plug in cable PORTABLE NEW For broadcast and live sound use with plug in cable NEW Cult status headphones of the pop stars al New with XXL speakers for hi fi enthusiasts PORTABLE Classic studio headphones Classic headphones with XXL speakers for hi fi users NEW Reference headphones for radio stations Headphones for multiple applications gt Self adjusting headband Vario jack plug Gimbal suspension Powerful bass Turbo bass Clean sound Lightweight headphones al PORTABLE Headphones for hi fi use Self adjusting headband
41. surround headphone system IVA pro vides natural binaural imaging through headphones in a similar way as if you were listening to a pair or loudspeak ers INGNIOLAL VIRTWAL ACKESTIES Binaural sound A Sound waves from a given source arrive at one ear earlier than thev do at the other and thev look different too Amplitude and phase shifts allow us to localize a sound source in space B Headphones usually eliminate these important amplitude and phase shifts Sound sources are perceived as being inside the head rather than in the room C IVA processing developed by AKG adds to a stereo signal the amplitude and phase shifts that are necessary to create a sense of natural spatial out side the head imaging In short IVA processing provides a per fectly natural spatial binaural sound through headphones Digital transmission Digital transmission ensures pristine Inc A Harman International Company Surround sound with a CD level dy Dolby the Double D and Pro Logic are trademarks of Dolby Laboratories Licencing Corporation Logic7 and the Logic7 Logo are registered trademarks of Lexicon 1 e without any degradation of sound qual DCI DorBv namic range and no perceptible noise ity DIGITAL Digital radio links are immune to inter LOGIC7 decoder Up to now the latest development by the innovative engineers at LEXICON was only used in high quality high end processors N
42. tory goes on TABLE OF CONTENTS Surround FOR TV HOME THEATER HI FI FOR HI FI PURISTS PREMIUM AUDIO hearo 777 QUADRA DELUXE hearo 888 DIGITAL hearo 999 avuDIOSPHERE WAN SOFTWARE Pages 6 15 hearo player TAN Wireless DESIGNER SYSTEMS Pages 16 19 k 311 ir k 105 uhf k 306 afc Task 406 afc WAM 506 afc HARDWIRE WIRELESS Pages 20 21 k 71 tv ee balance k 122 ir WAX balance k 216 afc WAS Hi fi STUDIO k 171 studio WAM k271 studio WAAMA K 141 monitor Pages 22 25 k 240 monitor k 240 studio NEW k 240 df studio monitor k 141 studio WAY ALLROUND Pages 26 27 k 44 k 55 k 66 k71 AL kol AN 301 xtra TAN k501 k 1000 Specifications Pages 30 31 AKG New Line hearo 7 77 QUADRA DELUXE Pages 8 9 Wireless eight channel surround headphone system for TV home theater hi fi use Pages 10 11 hearo NEW 888 DIGITAL Wireless eight channel surround headphone system with digital radio link for use with high end systems hearo 999 AUDIOSPHERE II ca Pages 12 13 Completely digital wireless head phone system with Dolby Digital de coder for audiophile individualists Patented IVA processing provides a natural spatial sound through headphones Integrated Dolby Surround Pro Logic and LOGIC7 surround decoders e For TV video DVD DVD A Hi fi SA CD PC game consoles e Selectable surround and stereo modes Analog radio link e Three chan
43. uency You can move about freely inside your house or and receive a clean signal garden while listening because the radio signal penetrates walls and ceilings A new way of listening No cable balance k 122 ir balance k 216 afc Wireless infrared TV headphones Wireless RF TV headphones Balance control for adjusting the left right volume ratio Optimized for speech intelligibility and accurate music reproduction Automatic on off switch on the speaker arm Excellent wearing and listening comfort Pleasant to wear even in a reclined position Low weight Also ideal for wearers of eyeglasses MAN advertising akg com Open back earphones for fatigue free listening also allow you to hear the telephone ringing or other important Or visit www akg com ambient sounds for more information Several headphones can be used simultaneously with a single transmitter Transmitter doubles as storage cradle and charger 3 in 7 Availability of AKG Nonstop listening system includes two high quality NiMh rechargeable batteries Charge one while you use the other wireless headphones Charger will charge up to three batteries simultaneously in only about four hours No memory effect No overcharging subject to local legis lation Order your FREE copy of the AKG balance brochure Approx 5 hours battery life Approx 4 hours battery life Infrared transmission ensures mobility and interference free RF radio transmi
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