OWNER`S MANUAL - HighFidelityReview
Contents
1. WARRANTY Our products are individually tested at the factory and meet our specifications before being packed and sent to you Products sold by tec on audio or its authorized dealers are covered by a limited ninety 90 day labor and parts warranty excluding vacuum tubes counted from the shipping date protecting you against defects in materials and workmanship Fill and keep the warranty card attached to this warranty statement along with a copy of the original sales receipt as proof of the original date of purchase Only one card is issued with each unit and with its serial number Under the terms of this warranty defective parts will be repaired or replaced without charge except vacuum tubes at our location or at a location determined by us at the time of repair Return merchandise via prepaid insured freight method and carrier to be determined by tec on audio All returns to us must be made in the original packing accompanied by a Return Authorization Number RAN the warranty card proof of purchase and a written description of the defect and must be shipped to us via insured freight at the customer s own expense Charges for unauthorized services and transportation costs are not reimbursable under this warranty You will be responsible for all round trip shipping charges and insurance This warranty does not apply to losses or damages occurring during shipping This warranty does not cover cosmetic damage or any damage that resul2. at high sound levels The Model 55 is not designed for nor will it produce extremely high sound levels However when matched with efficient speakers this amplifier s sound will fill a small to medium sized listening environment with surprisingly full extremely detailed and realistic high fidelity sound We recommend using speakers with a sensitivity rating of at least 89dB w m SPL sound pressure level or higher This means the amplifier works best with efficient speakers With speakers of 89dB W m a reproduction level in the 90dB or more SPL is easily achieved in monitor listening position How long can expect a tube amplifier to last The Model 55 while compact in size is built to last It is engineered to provide a long life and is simple to set up and to operate How often will need to replace the tubes and where do get them The tubes provided with the Model 55 are quite rugged and will typically last many years The tubes can be ordered from teceon audio see our website or from any of a number of web based tube suppliers You can even find these tubes in music stores that sell guitar amplifiers Model Serial No Invoice Date of Purchase Customer Information Name Address ZIP code Country Reseller NOTE This portion of the Warranty Card MUST BE retained by the Customer It must be produced when requesting after sales service from an authorized teceon audio service center
3. equally along the entire frequency range necessary for clear unadulterated acoustics The sound quality of the recording is reproduced with fidelity without equalizers or tone controls These controls can be found in pre amps if necessary How about surround sound It is our belief that stereophonic sound is still the best way to create a natural sounding center stage effect for recreating a musical performance simply because it does not need complex sound decoding circuitry that more often than not only might muddle the sound How can a low power amplifier like the Model 55 sound as loud as transistor amplifiers that have 100 or more Watts per channel Amplifier power ratings are NOT a reliable way to determine how an amplifier will perform The tests are conducted with a stable non musical signal usually from a white noise generator with a constant 8 Q load So they can boast high power many companies design their amplifiers to perform well on the bench tests Unlike a constant white noise signal music provides a much more complex signal for an amplifier to recreate In short the wattage ratings of the typical amplifier tell you little about how the amplifier really sounds when it plays music Does the Model 55 have enough power for my needs Single ended tube amplifiers are famous for providing breathtaking detail and a full rich sound even at moderate volume levels so that many users find it unnecessary to play music
4. that may impede the flow of air through the vents Obstructing these air vents may result in malfunction or in some cases fire Keep this product 10 cm 5 inches or more away from walls Select a safe location away from children and pets tubes are very hot 6 NON USE PERIODS The power cord of the amplifier should be unplugged from the outlet when left unused for a long period of time 7 POWER SOURCES The amplifier should be connected to a power supply only of the type and voltage described in the operating instructions or as marked on the unit 8 POWER CORD HANDLING Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs and sockets Using a damaged power cord or one with the bare wires exposed could cause fire or result in electric shock When unplugging from the AC mains never pull the cord and always grip the plug when unplugging the power cord This unit is equipped with a THREE WIRE GROUNDING TYPE AC PLUG Make sure the amplifier is grounded by proper use of a three prong grounded receptacle 9 OBJECTS AND LIQUID ENTRY Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through the openings The amplifier should not be used near water for example near a bathtub washbowl or kitchen sink in a wet basement or near a swimming pool Never place drinks on or nea
5. the Model 55 amplifier IV BURN IN While the amplifier should sound fine straight out of the box you may notice that your amplifier needs a period of burn in before it sounds optimal Your unit Should be considered adequately burned in after the first 50 hours of use V TUBE BIASING The Model 55 is self biasing there is no need to adjust the bias of the tubes VI TUBE ROLLING The tubes supplied with this unit have been tested prior to shipping and are rugged and long lasting Some tube aficionados enjoy trying different brands of tubes to hear the subtle differences that various tubes can impart You can substitute the tubes that came with this amplifier with other tubes of the same type For instance the EL84 power tubes are available from a number of different manufacturers most notably Russian Chinese and Eastern European Tubes are plentiful and are available from teceon audio or are easily found on the web or even at music stores that sell guitar amplifiers NEVER REMOVE THE TUBES WHILE THE UNIT IS IN OPERATION Vil COMPUTER AUDIO USE OF THE MODEL 55 WITH USB PORT WI NDOWS OPERATI NG SYSTEMS WINDOWS COMPATIBLE When your computer is ON you will find a new USB device in the Device Manager Windows XP USB Speakers The amplifier is designed for Plug amp Play set up and in most cases the audio signal from your computer should play through the amplifier without requiring any additional adju
6. wall outlet Open the fuse compartment located under the female power plug opening on the back of the amplifier Use the exact same fuse type and rating The warranty will not cover damages resulting from use of overrated fuses SPECIFICATIONS Specifications are subject to modifications without notice or obligation 40 N8Q OUTPUT IMPEDANCE Paanan g OUTPUT POWER Speakers approx 5Wpc at 1KHz FREQUENCY RESPONSE T H D INPUT IMPEDANCE INPUT SENSITIVITY 44 1 48 kHz 16Bit X DAC ROSAE COR D A converter USB compliant VACUUM TUBES 5755X 1 EL84X2 POWER CONSUMPTION POWER REQUIREMENT 115V 220 230V AC 50 60Hz AC voltage is factory set 246 mm x 190 mm x 200 mm DIMENSIONS Lx WxH approx 10 x 7 Ve x 8 LINE IN TERMINAL RCA stereo Connectors x 1 SPEAKER TERMINAL Binding posts x 2 Power cord x 1 ACCESSORIES USB cable x 1 Net Weight 8 5KG approx 19 Ibs WEIT Shipping Weight 10KG approx 22 Ibs Q amp A Why is the sound so detailed and full The use of simple elegant and efficient circuitry design with no global negative feedback we have eliminated unnecessary components to minimize the amount of circuitry impacting the signal The result is a pure realistic sound in a pristine soundscape with detail resolution and dynamics for which good tube amplifiers are famous Why doesn t the Model 55 have equalizers or tone controls High end integrated amplifiers only have circuitry to amplify the signal
7. A CAUTION HIGH VOLTAGE DO NOT OPEN Connect both Speakers before turning Power ON Never allow and speakers cable to touch during operation This can cause a short circuit resulting in damage to your amplifier 3 Connect the power cord first be sure to set the VOLUME control to the lowest position and the power switch in the OFF position Then connect the power cord into the power socket on the rear panel of the amplifier Next connect the other end of the power cord into the outlet The power outlet which the amplifier power cord is connected to must be the 3 pin grounding type Check again to make sure both speakers are properly connected and the voltage selector switch located on the bottom of the amplifier if installed on the unit is properly set before turning power ON 111 POWER ON Your new amplifier is ready for operation after the speakers power cord signal or USB cables have been properly installed When you are sure the connections are correct adjust the VOLUME to the minimum and flip the power switch located on the left of the chassis to the ON position Observe that the LED and all 3 vacuum tubes are lit The amp will be ready to play in about 30 seconds NOTICE The sound quality will be affected by all the elements of the audio chain recording recorded medium source amplifier speakers and room We therefore recommend that you select quality inputs and quality speakers to perform with
8. OWNER S MANUAL Multimedia Compact MODEL 557 Integrated Vacuum Tube Amplifier teceon audio pristine soundscapes hear better listen more PALMDALE CA www teconaudio com TEC On audio WELCOME amp THANK YOU Welcome and thank you for choosing the teceon audio Model 55 multimedia integrated compact stereo tube amplifier The vacuum tube amplifier you have acquired is designed to give you many years of enjoyment Whether you use your new amplifier with a portable MP3 device such as an iPod or Zune your home computer or as the heart of a more traditional audio components system you will likely appreciate the incredible sound of this compact wonder amp This versatile component can be enjoyed a number of ways With input from CD DVD radio tuner tape or other component Connected directly to your computer or digital media via a USB port As a high resolution amplifier for iPod Zune or other portable MP3 players Please read this OWNER S MANUAL before operating your new teceon Model 55 amplifier Observe the safety directions to avoid electrical shocks or equipment failure due to improper installation ABOUT tec on audio Our goal is to make available to music lovers and audiophiles the superior sound of a well designed single ended tube amplifier for playing analog digital MP3 and computer based music sources The Model 55 multimedia brings your music to life in a pristine s
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10. e cabinet Dangerous high voltages are present inside the enclosure Only qualified service personnel should attempt repairs 1 There are no user serviceable parts inside Refer servicing of internal parts to qualified service personnel 2 Never remove the cover of this product even when turned OFF and even if unplugged As with many audio amplifiers a charge remains in the energy storage capacitors for some time after the unit has been switched OFF Touching high voltage parts inside the cabinet can result in electric shock and or damage to the unit This unit stores sufficient levels of voltage and current to cause serious injury or death 3 Each unit has been thoroughly tested before leaving the manufacturer If the new amplifier produces smoke a strange smell or strange sounds upon turning the product ON the unit may have been damaged in shipment If this happens immediately switch the power OFF unplug the power cord and contact teceon audio for information on the nearest authorized service center 4 Avoid exposing this product to direct sunlight excessive dust and extreme heat or moisture Do not place near flammable objects 5 VENTILATION The unit should be placed so that its location or position does not interfere with proper ventilation It should not be set on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as bookcase or cabinet
11. l voltage transformers which is indicated on the back panel DO NOT POWER THE AMPLIFIER ON UNTIL ALL CONNECTI ONS HAVE BEEN PROPERLY MADE PER THE INSTRUCTI ONS I CONNECTING 1 Select the suitable input socket on the rear panel for your sound source CD or USB see Note below Connect the amplifier to the sound source with the signal wires If you plan to use the amplifier with your computer connect the USB cable supplied with the unit from your computer to the USB input on the back of the amplifier NOTE The USB input has priority When using the auxiliary input source connected with RCA cables for CD LP etc you must unplug the USB connector otherwise there will be no sound coming from the speakers 2 Connect the amplifier to the speakers with good quality speaker cables Be Sure to connect only positive wires to positive red terminals and negative wires to negative black terminals Reversing the phase of a speaker cable will result in the signals being out of phase and will degrade the sound quality Secure speaker connections are extremely important As with most vacuum tube amplifiers powering the amplifier ON with one or both speakers disconnected will generate a very high voltage pulse inside the output stage This high voltage pulse could possibly damage the circuitry Units damaged by this type of misuse will not be covered by the warranty MAKE SURE THE SPEAKERS ARE CONNECTED SECURELY
12. onnected correctly no light connections sound the volume is set at the turn up volume to the minimum Suitable level Light check input connections and sources no signal check input cables connections input signal cable not connected faulty electronics tubes signal wires are too close to power supply cable or other cables no stereo focus imaging speakers connected out of phase contact dealer arrange input wires apart from other cables connect speakers cables according to color TUBES The vacuum tubes used on the Model 55 amplifier should provide many years of performance Replacement tubes can be purchased from the teceon audio website The Model 55 multimedia amplifier uses two 2 EL84 inserted in the sockets close to the transformer cage and one 1 5755 inserted in front The tubes need to be fully inserted in their respective sockets to operate properly Carefully align the pins while paying attention to the pins alignment When all pins have been aligned push firmly straight down to insure that the tube is tightly seated and connected in its socket Keep the tubes clean CAUTION Do not attempt to turn the amp ON before all tubes are fully inserted and the input source and the speakers are connected FUSE The fuse used on the Model 55 multimedia amplifier is the 5 x 20 mm SLOW BLOW SLO BLO type If a fuse needs replacement unplug the amplifier power cord from the
13. oundcape Specially conceived and fined tuned to meet our specifications and our very own demanding sonic performances the Model 55 by teceon audio is a high quality product engineered and built with choice components This unique multimedia amplifier is equipped with a USB compatible D A interface to allow the connection of your computer or digital media via a standard USB port The digital circuit uses the Burr Brown PCM 2702 chip a Multi level Enhanced delta sigma modulator accepting 16 bit 44 1 48 kHz two channel DAC with an integral 8x oversampling filter It is fully Plug amp Play operation and can be used as a high quality substitute to your computer on board sound card It is compatible with Windows 98 2000 XP and Apple Mac OS X or later The Model 55 multimedia amplifier operates in class A topology using two EL84 output tubes famous for their sonic qualities A distinctive 5755 tube based driver and no global negative feedback deliver a pristine soundscape with smooth fluid incredibly wide and layered soundstage that will amaze you with great detail and depth The unusual well balanced 5755 input tube delivers stable imaging and focus As is known to audiophiles the Model 55 amplifier sonic performance may improve after a burn in period see IV below U Computers typically utilize poor quality sound cards for audio processing but with the USB cable provided your teceon audio Model 55 allows yo
14. r the amplifier If liquid should enter the cabinet it can cause malfunctions electrical shock or fire unplug the power cord from the AC mains and contact the nearest authorized teceon audio service center 10 Keep the product away from strongly magnetic objects PLEASE FOLLOW THE SAFETY DIRECTIONS IN THIS MANUAL TO AVOID POSSI BLE ELECTRICAL SHOCK OR EQUIPMENT FAILURE DUE TO IMPROPER INSTALLATION SERVICING amp TROUBLESHOOTING SERVICING The user should not attempt to service this product beyond that described in the operating instructions All other servicing should be referred to qualified service personnel DAMAGE REQUIRING SERVICE This product should be serviced by qualified service personnel when objects have fallen or liquid has been spilled into the unit the component has been exposed to rain or moisture the amplifier does not appear to operate normally or exhibits a marked change in performance the amplifier has been dropped or the enclosure damaged the unit will not turn ON or will not produce sound in one or both channels there is distortion in the sound reproduction TROUBLESHOOTING Reliable performance will be obtained from the Model 55 multimedia compact tube amplifier when used according to this user s manual Should a problem occurs the following troubleshooting table might help you determine how to deal with it check the power power supply not supply cable and c
15. stment If the audio from your computer cannot be heard through the amplifier and you are using Windows XP first click on the speaker icon at the bottom right corner of your screen and adjust the sound output to the maximum position If you still cannot hear your computer go to the Windows Control Panel and select Sounds and Audio Devices XP or Multimedia 98SE ME 200 Under the Audio tab choose USB SPEAKERS for Sound Playback Your PC sound will now play through your teceon audio Model 55 multimedia compact tube amplifier The sound level can be adjusted from the speaker bar on your computer MAC OPERATING SYSTEMS MAC COMPATIBLE Plug the USB cable into the USB port of your Mac computer Select Sound in System Preferences Under the Output tab select USB Speaker Your Mac s sound will now play through the teceon audio Model 55 multimedia compact tube amplifier Windows Zune are trademarks of Microsoft Corporation Apple Mac OS iPod are trademarks of Apple Computers Inc SAFETY INSTRUCTIONS READ INSTRUCTIONS All the safety and operating instructions should be read before the unit is operated RETAIN INSTRUCTIONS Keep the safety and operating instructions for future reference HEED WARNINGS All warnings on the unit and in the operating instructions should be adhered to Warning Do not expose this appliance to rain or moisture due to the high risk of fire or electric shock Do not open th
16. ts from normal use wear and tear negligence misuse abuse tampering installation error connection to an improper voltage accident improper maintenance alterations modifications lightning power surges or acts of God Use of any parts other than tec on audio may void this warranty Any physical or cosmetic damage to the unit other than what is deemed by tec on audio normal wear amp tear will void the warranty This warranty does not cover the cost of parts and labor which would otherwise be provided without charge by tec on audio under our standard warranty This warranty applies only to consumer use of this product This warranty applies only to the original purchaser of this product from tec on audio or one of its authorized dealers Valid only in the USA We assume no liability for property damage or any incidental or consequential damage whatsoever which may result from failure of this product YOUR RIGHTS SELLER MAKES NO OTHER WARRANTIES EXPRESSED OR IMPLIED AND SELLER DISCLAIMS ANY WARRRANTY OF ANY KIND INCLUDING WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT IN JURISDICTIONS THAT PROHIBIT SUCH DISCLAIMERS OF IMPLIED WARRANTIES YOU MAY HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE tec on audio Model 55 pristine soundscapes hear better listen more are trademarks of tec on audio teceon audio pristine soundscapes hear better listen more PALMDALE CA www tecon
17. u to bypass your computer s sound card so you can hear music from your computer with much higher resolution than previously possible The Model 55 multimedia integrated compact amplifier will perform best with sensitive speakers at least 89 db W m There are many kinds of speakers available on the market The Model 55 amplifier accepts loudspeakers rated from 4 Q to 8 Q allowing you a wide range of choice to suit your taste We know you will enjoy your new amplifier Hear better and listen more WARNING Tube electronics use high voltages that can cause injury or death Dangerous voltages may be stored in capacitors many hours after the unit has been tuned OFF USE CAUTI ON FOLLOW THE I NSTRUCTI ONS OPERATING INSTRUCTI ONS 1 UNPACKI NG Before unpacking check if there is any damage to the carton Place on a flat surface with the arrow upward Carefully remove your new amplifier and all accessories from its packing carton and examine it closely for signs of shipping damage Insure that the tubes are correctly inserted in their sockets Make sure that your amplifier came packed with the following items Power supply cord USB cable User s manual with warranty card CAUTI ON Your amplifier is preset to work on your local mains supply voltage Check that your local mains supply voltage agrees with the setting indicated on the back panel of the amplifier Some teceon audio products are equipped with dua
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