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Thank you for purchasing the GOLDMUND TELOS 500. 
You  have  acquired  the  best  Universal  Power  Amplifier  ever  made  for  professional  and 
domestic uses.  
 
Please  take  some  time  to  read  this  manual.  It  will  provide  you  with  useful  information  to 
make your pleasure of listening to the TELOS 500 even higher. 
 
 
 

INTRODUCTION

 

 

GOLDMUND TELOS 500 – Universal Power Amplifier 

 

 

 
Goldmund  was  founded  in  1978  and  has  ever  since  been  dedicated  to  the  accurate 
reproduction of sound and image. 
 
At  Goldmund,  we  strive  to  lead  in  the  creation,  development  and  manufacture  of  the 
industry’s  most  advanced  technologies,  including  audio  and  video  systems,  home  - 
networking and music distribution. 
 
The  guiding  principle  at  Goldmund  is  to  produce  a  precise  sound  with  the  least  possible 
loss of quality through the different stages. Goldmund will never adopt a technology before 
it  is  sufficiently  developed  to  satisfy  the  high  quality  standards  we  set.  This  is  why 
Goldmund has often rejected mainstream technologies and developed its own. 

Summary of Contents for TELOS 500

Page 1: ...USER MANUAL GOLDMUND TELOS 500 Universal Power Amplifier...

Page 2: ...nce been dedicated to the accurate reproduction of sound and image At Goldmund we strive to lead in the creation development and manufacture of the industry s most advanced technologies including audi...

Page 3: ...ifier 3 Table of Contents 1 UNPACKING 5 2 AMPLIFIER LOCATION COOLING 6 3 LINE VOLTAGE ADJUSTMENTS 7 4 CONNECTIONS 8 5 AMPLIFIER CONTROLS 9 6 SOUND QUALITY OPTIMIZATION 12 7 SAFETY FEATURES 14 8 MAINTE...

Page 4: ...derstood and applied These extremely high quality amplifiers possess new technical features which are a necessity for accurate sound reproduction in the best audio systems Only careful installation an...

Page 5: ...TO THE FACTORY OR TO YOUR LOCAL REPRESENTATIVE FOR A WARRANTY REPAIR PLEASE NOTE THAT IT MUST BE REPACKED IN THE ORIGINAL PACKAGING THIS PACKAGING HAS BEEN DESIGNED SPECIFICALLY TO PROTECT YOUR TELOS...

Page 6: ...o the floor The TELOS 500 is built on four very hard conical feet to ensure proper vibration transmission to the amplifier support This evacuates all detrimental vibrations inside the amplifier follow...

Page 7: ...nal adjustment ATTENTION On the 220V configuration the GOLDMUND TELOS 500 amplifier will function properly for main line voltage between 211V and 257V On the 110V configuration the main line must deli...

Page 8: ...o Float or you may damage your amplifier When used with a digital input signal connect the digital input cable to the digital input and switch the input switch to digital Since a digital Spdif cable c...

Page 9: ...ally by the small white 10 position circular selector located on the top circuit of the amplifier close to the big capacitors There is one position for Manual Operation and 9 for Auto Power Operation...

Page 10: ...are pressed simultaneously the amp switches on in Operating mode and the center green led lights on showing the amp is POWERED ON If the digital input is used the yellow led may flicker showing there...

Page 11: ...ont panel red lights may turn ON and the power of the amplifier is instantaneously set OFF The left red led indicates an over temperature situation The central red Led indicates that HF oscillation or...

Page 12: ...eaker cable amplifier termination Line phase and speaker polarity interfere with each other however We therefore advise careful experimentation with all the combinations in order to arrive at the best...

Page 13: ...namic capability and transparency especially on low efficiency speakers To get all the benefits of this design the TELOS 500 must be located on a very rigid support or better directly on the floor to...

Page 14: ...isplayed on the front panel When the source of DC offset is suppressed turn ON the amplifier again PROTECTION AGAINST HF OSCILLATIONS In the same way the speaker must be protected against a large amou...

Page 15: ...amplifier cool for some time We strongly recommend investigating the cause of the temperature gain before operating the amplifier again PROTECTION AGAINST SHORT CIRCUITS If one output is short circui...

Page 16: ...NICAL SPECIFICATIONS POWER SUPPLY Nominal Line Voltage 117 234V AC line range 10 Fuse 16A for 115 and 230V 10 toroidal transformers Separated ground and earth signal Connection between earth and groun...

Page 17: ...Analog Input connector RCA Input connector XLR for analog balanced input Digital input and output RCA connector INPUT Max level before clipping Analog input 1Vrms Digital input 6 dBFS OUTPUT Max leve...

Page 18: ...ynamic range 22 kHz measurement bandwidth flat true RMS unloaded 110 dB Damping factor 380 at 1 kHz 8 DIMENSIONS 330 W x 470 D x 270 H mm WEIGHT Weight 55 kg WARRANTY 3 years parts and labor Note Info...

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