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Summary of Contents for Goldmund TELOS 250
- Page 1 USER MANUAL USER MANUAL 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
7.1PROTECTION AGAINST DC 7.2 PROTECTION AGAINST HF OSCILLATIONS 7.3 OVERHEATING PROTECTION 8 8 8 8 MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE 9 9 9 9 TECHNICAL DATA TECHNICAL DATA TECHNICAL DATA TECHNICAL DATA GOLDMUND TELOS 250+ - Universal Power Amplifier - 3... - Page 4 IMPORTANT IMPORTANT IMPORTANT IMPORTANT PLEASE DO NOT CONNECT ANY CABLES OR MOVE ANY PARTS BEFORE READING THE FOLLOWING INSTRUCTIONS. GOLDMUND TELOS 250+ - Universal Power Amplifier - 4...
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Page 5: Preliminaries
SPDIF cables in digital to keep the time integrity that the acoustic processor is designed to provide. In all typical cases Goldmund recommends using the special Goldmund Lineal interconnect and digital cables. -
Page 6: Amplifier Location & Cooling
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
ATTENTION ATTENTION On the 220V position, the GOLDMUND TELOS 250+ amplifier will function properly for main line voltage between 211V and 257V. On the 110V position, the main line must deliver between 105 and 129V. If your main line is usually out of these tolerances, please consult your GOLDMUND dealer. -
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
When the amplifier is in AUTO-POWER mode and is operative, it may be muted by pressing the front key, as in the normal mode. GOLDMUND TELOS 250+ - Universal Power Amplifier - 9... -
Page 10: Manual Operation
MPLIFIER CONTROLS (Ctd.) MPLIFIER CONTROLS (Ctd.) MANUAL OPERATION On the front panel 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: Other Display
When the amplifier has not been used recently it will take 10 to 15 minutes for the amplifier to reached optimum operating temperature, as the circuits have to warm up to around +55 degrees Celsius. GOLDMUND TELOS 250+ - Universal Power Amplifier - 11... -
Page 12: The Goldmund "Mechanical Grounding
SOUND QUALITY OPTIMIZATION (Ctd.) THE GOLDMUND “MECHANICAL GROUNDING” In the GOLDMUND TELOS 250+ amplifier, GOLDMUND has, as in other of its Ultimate Line components, fully implemented an optimized vibration evacuation path. This is called by GOLDMUND: "Mechanical Grounding". The perfect adjustment of this evacuation provides the Telos 250+ with an extraordinary dynamic capability and transparency, especially on low efficiency speakers. -
Page 13: Main Line Phase Inversion
SAFETY FEAT U R E S 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 14: Protection Against Hf Oscillations
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 - 14... -
Page 15: Maintenance
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. -
Page 16: Technical Data
+/- 0.1 dB, 0 - 300 kHz, +/- 1 dB, 0 - 1000 kHz. +/- 3 dB, 0 - 3 MHz. INPUT SENSITIVITY INPUT SENSITIVITY INPUT SENSITIVITY INPUT SENSITIVITY Nominal level: 1.45 V RMS. Voltage Gain: 28.2 (29dB). Input impedance > 50 kOhms. GOLDMUND TELOS 250+ - Universal Power Amplifier - 16... - Page 17 Updated versions of this manual will be posted on our website at www.goldmund.com. Please visit our support page at http://www.goldmund.com/support/register to register your Goldmund product for warranty. GOLDMUND TELOS 250+ - Universal Power Amplifier - 17 RevA...
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