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Summary of Contents for Goldmund TELOS 250
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Page 1: User Manual
USER MANUAL GOLDMUND TELOS 250 Universal Power Amplifier... - Page 2 - 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.
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Page 3: Table Of Contents
Table of Contents UNPACKING AMPLIFIER LOCATION & COOLING LINE VOLTAGE ADJUSTMENTS CONNECTIONS AMPLIFIER CONTROLS SAFETY FEAT U R E S TECHNICAL DATA MAINTENANCE GOLDMUND TELOS 250 - Universal Power Amplifier - 3... - Page 4 The installation instructions must be carried out in full and the mentioned precautions taken to get the expected result and to avoid impairing the amplifier’s performance. GOLDMUND TELOS 250 - Universal Power Amplifier - 4...
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Page 5: Unpacking
UNPACKING You will find in the GOLDMUND TELOS 250 box: The amplifier The power cord This manual Please keep the packaging in case you need to transport the amplifier at a later date. ATTENTION IF YOU NEED TO RETURN THE TELOS 250 TO THE FACTORY OR TO YOUR LOCAL REPRESENTATIVE FOR A WARRANTY REPAIR, PLEASE NOTE THAT IT MUST BE REPACKED IN THE ORIGINAL PACKAGING. -
Page 6: Amplifier Location & Cooling
AMPLIFIER LOCATION & COOLING The GOLDMUND TELOS 250 amplifier, as all high quality amplifiers, generates a large amount of heat when driven at high levels and must be vented properly. It is mandatory to allow a proper cooling of the heat sinks. Do not put temperature sensitive equipment on top of the amplifier. -
Page 7: Line Voltage Adjustments
GOLDMUND dealer for internal adjustment. ATTENTION On the 220V position, the GOLDMUND TELOS 250 amplifier will function properly for main line voltage between 190V and 245V. On the 110V position, the main line must deliver between 95 and 125V. -
Page 8: Connections
Connect the speaker cable to one of the red and black terminals in the back of the amplifier, or, if you use a Goldmund High Definition speaker cable, you can connect directly from the speaker cable to one of the coaxial plugs on the back panel of the amplifier, bypassing the amplifier adapter module of the speaker cable. -
Page 9: Amplifier Controls
Position 3: Power after 600ms Position 4: Power after 800ms Position 5: Power after 1s Position 6: Power after 1.2s Position 7: Power after 1.4s Position 8: Power after 1.6s Position 9: Power after 1.8s GOLDMUND TELOS 250 - Universal Power Amplifier - 9... - Page 10 AMPLIFIER CONTROLS (Ctd.) MANUAL OPERATION On the front plate of the GOLDMUND TELOS 250 amplifier you will find only one POWER key. When first connected to mains power the green led will flash (equal time on and off) for around fifteen seconds whilst the amplifier goes through the POWER UP sequence.
- Page 11 The amplifier will remain OFF with a red led on until the user intervenes. To unlock the amplifier from the error mode, press the power key for >2 seconds, or restart the power sequence. GOLDMUND TELOS 250 - Universal Power Amplifier - 11...
- Page 12 SAFETY FEAT U R E S The GOLDMUND TELOS 250 amplifier provides features to protect the amplifier and the speakers against all mishandling or component failure. However precautions must be taken to avoid problems with a very high power amplifier.
- Page 13 OFF by the protection circuit. If this happens, let the amplifier cool for some time. We strongly recommend investigating the cause of the temperature gain before operating the amplifier again. GOLDMUND TELOS 250 - Universal Power Amplifier - 13...
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Page 14: Technical Data
Rated power consumption (IEC 60065 at 8 Ω): 170 WRMS. Maximum power consumption: 470 WRMS. Nominal line voltage: 117, 234 V (selectable internally). Input voltage range: +/- 10 %. 4 toroidal transformers 4 separated power supplies rails GOLDMUND TELOS 250 - Universal Power Amplifier - 14... - Page 15 Internal temperature: +45 to +65 degrees Celsius (+113 to +149 degrees Fahrenheit). SIZE AND WEIGHT • 385W x 310D x 220H (mm). • Weight: 18 kg net. WARRANTY • 3 years parts and labor. GOLDMUND TELOS 250 - Universal Power Amplifier - 15...
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Page 16: Maintenance
MAINTENANCE The GOLDMUND TELOS 250 amplifier usually requires no maintenance. Always turn the power OFF before cleaning your amplifier. Use a clean, soft, damp cloth to clean the amplifier surface. Dampen the cloth with water or a mild detergent solution.
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