Williams Sound TX90 User's Manual
Contents
1. Receiver Style Headset Earpad Size 2 5 6 5 cm diameter adjustable headband Weight 6 7 oz 191 g without batteries Color and Material Black plastic Operating Range Up to 3 500 ft 325 m when using a single WIR TX90 Transmitter Battery Type AAA Alkaline batteries BAT 010 Battery Life Alkaline 50 hours Battery Drain 25 mA nominal Controls ON OFF switch 2 Thumbwheel volume control knob left and right 1 Frequency push button selector 2 3 MHz or 2 8 MHz Acoustic Output 118 dB MAX SSPL90 dB with 6 cc coupler Warranty 1 year warranty excludes physical damage Approvals CE RoHS Fig 9 WIR RX14 2 Side View Right Earphone Left Earphone Infrared Eye Infrared Eye AAA ae oE AAA Battery g 8 Compartment Bee 3 8E a Compartment Frequency Selector 2 3 MHz Volume NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE WILLIAMS SOUND 2008 Williams Sound Corp MCAT 042C 8 Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 BSO0GCO0660S Bid Specs WIR TX90 Transmitter The Williams Sound Corp WIR TX90 transmitter shall consist of an all in one modulator and emitter operating on switchable carrier frequencies of 2 3 2 8 MHz or 3 3 3 8 MHz The carrier frequency shall use 50 kHz deviation and 50us pre emphasis The transmitter shall have a range of 28 000 ft 2 600 m in single channel mode when using the RX22 42. NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 2008 Williams Sound Corp MCAT 042C 9 WILLIAMS SOUND Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 BSO0GC90660S Contact United States Williams Sound Corp 10321 W 70th Street Eden Prairie MN 55344 Phone 800 328 6190 or 952 943 2252 Fax 952 943 2174 Web www williamssound com Email info williamssound com Canada Thorvin Electronics 2861 Sherwood Heights Dr Units 36 37 Oakville ON L6J 7K1 Canada Phone 800 323 6634 or 905 829 3040 Fax 905 829 4196 Web www thorvinelectronics com United Kingdom Sound Associates Keeble House 81 Island Farm Road West Molesey Surrey KT 2SA United Kingdom Phone 44 020 8939 5900 Fax 44 020 8939 5901 Web www soundassociates co uk Email jmurdoch soundassociates com Asia Australia Europe Latin America South America South Africa International Sales Department Williams Sound Corp 10321 W 70th Street Eden Prairie MN 55344 USA Phone 1 952 2247791 Fax 1 952 943 2174 Email info williamssound com Web www williamssound com NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE WILLIAMS SOUND 2008 Williams Sound Corp MCAT 042C 10 Helping People Hear
3. receiver The transmitter shall be contained in a metal housing with a durable plastic lens The transmitter shall be convec tion cooled without fans The transmitter shall include an omni directional mounting bracket for permanent instal lations Additional brackets shall be available for different mounting options The transmitter shall provide two channels of selectable carrier frequencies CH A 2 3 2 8 MHz or CH B 3 3 3 8 MHz Two transmitters used in tandem shall provide up 4 simultaneous channels The transmitter shall have two Phoenix connectors on the back for balanced or unbalanced line input All controls and indicators shall be accessible on the bottom of the panel of the transmitter The transmitter shall have three application presets Music Hearing Assistance and Voice accessible by thumbscrew adjuster There shall be a 3 5mm stereo headphone jack for monitoring the processed audio before being transmitted Two BNC 50 baseband output jacks shall be provided on the back panel for more coverage needs The TX9 emit ter panels must be used with the TX90 transmitter via RG58 coax cable The transmitter shall be powered by an external 24VAC 50 60 Hz 35VA power supply The power connector shall be a three pin Molex type Additional emitters shall require individual external power supplies The transmitter shall be covered by a five year warranty on parts and labor The transmitter shall be the Williams Sound Corp model WIR TX90
4. to achieve full coverage of a listening area Fig 7b Overlapping Illumination Patterns to Cover Larger Listening Areas Coverage Area with Single Transmitter Coverage Area with Second Emitter Added to Same Emission Point 50 increase When a TX90 transmitter and TX9 emitter are used at the same emission point in single channel mode the overall coverage area increases 50 When using an RX22 4 receiver as a result the coverage area will increase to an estimated 42 000 ft 3 902 m the RX14 2 will increase to 5 250 ft 488 m the RX16 will increase to 4 590 ft 426 m NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 2008 Williams Sound Corp MCAT 042C 6 WILLIAMS SOUND Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 SOOGCO6CG0S Optional WIR RX22 4 Receiver Receiver Style Size Weight Color and Material Lanyard Operating Temperature Battery Type Battery Life Battery Drain Charging Contacts Carrier Frequency De Emphasis FM Deviation Signal to Noise Ratio Squelch Frequency Response Total Harmonic Distortion Controls Indicators Audio Output Jacks Audio Output Power Acoustic Output Sensitivity Approvals Warranty Compatible Headphones Earphones 2008 Williams Sound Corp MCAT 042C Body Pack dual lens detector lanyard 4 5 L x 2 85 W x 1 2 H 114 3 mm x 72 4 mm x 30 4 mm 4 6 oz 130
5. J Approx 28000 sq ft 2600 sq m 1 Channel 1 nW sq cm 2 Channel 1 nW sq cm per channel Approx 18000 sq ft 1700 sq m 4 2Channels 1 nW sq cm per channel 4 Channel 1 nW sq cm per channel iesseneeaes Approx 11000 sq ft 1000 sq m ee 4 Channels 1 nW sq cm per channel Reflections of the infrared light from walls ceilings and floors may change these patterns Important Remember to point the emitter towards the listening audience If you re not getting sufficient coverage with a single properly installed TX90 Transmitter you may need to add additional WIR TX90 Transmitters to achieve full coverage of your listening area Figures 7a and 7b illustrate how multiple emitters can be used for large room installations NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 5 WILLIAMS SOUND 2008 Williams Sound Corp MCAT 042C Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 SO0GCO660S Multiple Emitters Installed to Maximize Coverage Fig 7a Overlapping Illumination Patterns to Cover Larger Listening Areas Fig 7a above is a typical example of how multiple emitters are used to cover larger listening areas Generally it is desirable for the illumination patterns to overlap Note The coverage area will vary depend ing on the infrared receiver being used refer to Figures 3 and 6 to determine how many emitters are required
6. SoundPlus Infrared Transmitter Model WIR TX90 SO0GCO0660S Description The TX90 two channel IR transmitter combines modulator and emitter technology into a single operating unit which reduces operating cost and eliminates precious rack space The TX90 transmitter produces a wide angle infrared sig nal that concentrates the IR energy efficiently in the listening area Operating on the 2 3 3 8 MHz bandwidth the TX90 is less susceptible to radio and lighting interference Each TX90 transmitter can cover up to 28 000 sq ft 2 600 sq m in single channel operation The coverage area can be easily increased by connecting additional TX9 emitters A wall ceiling omnidirectional mount is included and stand kits are available for portable operation Applications Cinemas Simultaneous Interpretation e Audio Description Conferences Multi Media Rooms Boardrooms Courtrooms Schools e Universities e Churches WIR TX90 Transmitter Dimensions Weight 11 25 W x 6 25 H x 2 125 D 28 6 cm x 15 9 cm x 5 4 cm 1 8 Ibs 0 8 kg Color Black with white legends black acrylic lens Power Supply Wall Transformer 24 VAC 50 60 Hz 35 VA 3 pin MOLEX Connector North America TFP 010 UL CSA Europe TFP 027 01 2 pin Schuko plug CE UK TFP 027 02 3 pin UK plug CE Power Cable NEC Class 2 wiring two conductor 18 ga 200 61m max length Modulation FM Wideband 50kHz deviation max 50uS pre emphasis Carrier Frequ
7. com O52 Power In OKO 24VAC OXO 50 60 Hz 35VA OGO NC 24 VAC Patent Pending Made in U S A OXO Balanced Unbalanced oSogoS 02686 02626 00809090590 026 6 S S OSO Q O O O O O O55 ORKORKO O86 ORO62020 OKO OO O86 Jogoo ogogo O O O O Baseband Out Modulation O26 0256285 o q O Oloo 6862 O O O80 036 02626 O86 O00900 O59059 Plug OLOS 5 Use 50 Ohm O Cable Only Power Input Audio Input Connector Input Level Baseband Output Baseband Cable Operating Requirements Mounting Kits Warranty Approvals Compatible Receivers Notes 2008 Williams Sound Corp MCAT 042C 3 Pin Molex 24 VAC 50 60 Hz 35 VA CHA and CHB 3 wire Phoenix Balanced or unbalanced 316 mVRMS 10dBV nominal 5 7k input impedance max input over volume range 21 to 7 ABV BNC 50 Q for use with TX9 only RG 58 Coax BNC connectors maximum 1000 300m length 0 50 C 32 F to 122 F ambient temperature non condensing non corrosive atmosphere Wall or Ceiling Mount BKT 024 Omnidirectional mount Optional Tripod Stands SS 11 or SS 6 5 years on transmitter 90 days on accessories CE FCC ROHS WEEE WIR RX22 4 Four Channel Receiver WIR RX14 2 Two Channel Receiver WIR RX16 Two Channel Receiver Specifications Single end input volume amp tone controls at mid point 1 kH
8. elect 21 dB adjustable range 1 kHz between low boost hi cut and low cut hi boost NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 90 days on accessories WILLIAMS SOUND 2008 Williams Sound Corp MCAT 042C 1 Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 SO08C90660S Fig 2 TX90 Rear View O O O Po2020202020 Oo OROKO KOKORO 920202020202070 O O OO Oo O50050 WIR TX90 Multi Channel Infrared Transmitter Se RISK OF ELECTA SHOCK BONOT OPEN Class WARNING TO REDUCE THE RISK OF FIRE OR ss ELECTRIC SHOCK DO NOT EXPOSE THIS LED Product Note It is normal for this unit to feel warm while it is in operation O O O O EQUIPMENT TO RAIN OR MOISTURE 0200 0200 0207020002085 026262526862 Q6E62L62L5L6L62L62L5L52626 0GP6P5 2 5P95P6PSP5P5P6PS O D O e O O O O O O O O O O O O 8 26 O O O O O O O O O O O O WILLIAMS SOUND Helping People Hear K devi that may cause st tothe fol 2 thi ference jowing 5V P P Maximum Audio Power Supply Wiring For up to 200 ft 61m Use NEC Class 2 Wiring 18 ga For lengths greater than 200 ft 61m see the manual Mounting Bracket Williams Sound Corp Minneapolis MN USA l Audio Input Line Level Bal or Unbal Signal 4 Sian Shiela Signat 1 Jumper Shield www williamssound
9. ency Channel A Selectable 2 3 2 8 MHz Channel B Selectable 3 3 3 8 MHz Emitter IR Power 3 5 watts Coverage Area 28 000 ft 2 600 m in single channel mode when using the RX22 4 Receiver 18 000 ft 1 670 m in four channel mode when using the RX22 4 Receiver 3 500 ft 325 m in single channel mode when using the RX14 2 Receiver 3 063 ft 285 m in single channel mode when using the RX16 Receiver See coverage area diagrams Signal to Noise Ratio gt 75 dB 3dB Frequency Response 80 to 15 000 Hz electrical response Total Harmonic Distortion Less than 2 electrical response at 1kHz Compression Music preset 1 1 Voice preset 1 5 1 Hearing Assist preset 2 1 Auto Carrier Shut Off 20 minute timer shuts off carrier when no audio is present Fig 1 TX90 Bottom View Frequency MHz ig resets Adjust b Pee Ai rs 5 3 Tone Volume Q OOOO yx s OO0O s Oka nO OOS O No Power Indicator Red LED Audio Volume Level Controls CHA and CHB Input Level press to select 28 dB adjustable range Audio Indicators CHA and CHB Audio Level yellow LED flash Carrier LEDs 2 green LED carrier on indicators Phones Output 3 5mm TRS headphone jack CH A tip CH B ring on jack 32 ohm headphone min Application Preset Music Voice Hearing Assist Frequency response Music Flat Voice Mid range boost Hearing Assist High frequency boost Tone Control Press to s
10. g with batteries Black 3 ft 91 m allows receiver to be worn around the neck 10 C to 50 C 2 x AA alkaline BAT 001 or NiMH BAT 026 Alkaline 60 hours NiMH 30 hours charge 25 mA nominal For use only with CHG 3512 Channel 1 2 3 MHz Channel 2 2 8 MHz Channel 3 3 3 MHz Channel 4 3 8 MHz 50 uS 50 kHz 60dB min Receiver squelches mutes at 40 dB S N ratio 25 Hz to 16 KHz 1 dB 3 dB electrical response Less than 1 electrical response ON OFF VOLUME combination thumbwheel knob Channel Selector four position rotary switch Red LED ON indicator flashes to indicate Low battery 3 5 mm stereo mini phone jack Accepts 3 5 mm mono or stereo phone plug 15 mW max at 32 Q 110 dB SSPL90 w EAR 013 Better than 1 nW cm for 40 dB signal to noise ratio CE FCC ROHS WEEE 5 years on receiver 90 days on accessories Mono or stereo 8 32 ohms 3 5 mm mini phone plug HED 021 HED 026 EAR 013 EAR 014 EAR 022 NKL 001 NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Fig 8 WIR RX22 4 Receiver Earphone Channel Jack Selector Knob On On Off Indicator LED Volume Switch RX22 4 Top SouNDPLus iR TECHNOLOGY w ILLiams Sounp CORPS TF RX22 4 Front WILLIAMS SOUND Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 SOOGCO660S Optional WIR RX14 2 Receiver
11. igures 3 and 6 to determine how many emitters are required for 100 coverage of the listening area To determine the best location for the transmitter it helps to think of the IR transmitter as an invisible floodlight You ll want to aim it so the listeners are flooded with the infrared light The transmitter should also be positioned high enough so it won t be blocked by people and other physical obstructions See Figure 5 below Mount the transmitter at least 2 ft 61 m above the audience Position the transmitter to face in a slightly downward angle 20 that will increase the throw of the infrared beam Fig 5 Vertical Beam Spread Minimum Receiver Range When Operating with a TX90 Transmitter in Single Channel Mode Lasses RX22 4 Receiver Ln RX14 2 80 24 m RX16 70 21 m 150 45 m a Range i SCREEN STAGE NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 2008 Williams Sound Corp MCAT 042C 4 WILLIAMS SOUND Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 SO0GCO660S Maximum Range When Using the RX22 4 Infrared Receiver Fig 6 Horizontal and Vertical Radiation Polar Plots HORIZONTAL RADIATION POLAR PATTERNS VERTICAL RADIATION POLAR PATTERNS DISTANCE FROM EMITTER TO 1 nW sq cm CONTOUR DISTANCE FROM EMITTER TO 1 nW sq cm CONTOUR 1 Channel 1 nW sq cm
12. z Music Preset NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE WILLIAMS SOUND Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 SO0GC90660S Fig 3 Receiver Coverage Area with TX90 Transmitter in Single Channel Mode Receiver Coverage Area with TX90 Transmitter in Single Channel Mode RX22 4 Receiver RX14 2 Receiver RX16 Receiver Feet O 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 The coverage area for the TX90 will vary depending on the receiver being used The diagram above demonstrates the receiver coverage when operating a single TX90 transmitter in single chan nel mode Patterns are direct radiation patterns Note Reflections of the infrared light from walls ceilings and floors may change these patterns NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 3 WILLIAMS SOUND 2008 Williams Sound Corp MCAT 042C Helping People Hear SoundPlus Infrared Transmitter Model WIR TX90 SO0GC90660S Fig 4 3 Dimension Foot Pattern The TX90 floods the listening audience with a cone shape light pattern as shown here The path of the cone shape light leaves a pattern on the ground or foot print and indicates where the strongest receiver reception will occur The actual coverage area will vary depending on the sensitivity of the receiver being used Refer to F
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