QES Labs VARIABLE GM Owner'S Manual Download Page 1 | Manualshive

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QES Labs VARIABLE GM Owner'S Manual Download Page 1

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VARIABLE GM

Stereo Vacuum Tube Compressor

Rev. 4 – Aug. 9, 2017.

OWNER’S MANUAL

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Summary of Contents for VARIABLE GM

Page 1: ...1 VARIABLE GM Stereo Vacuum Tube Compressor Rev 4 Aug 9 2017 OWNER S MANUAL...

Page 2: ...ation FUSE You should replace defective fuse with 2AT slow blow for 230Vac line or 4AT for 115Vac line Please carefully read this manual throughout before operating the unit ANY real tube equipment is...

Page 3: ...essories are present Carefully examine all items for any possibility of shipping damage Variable Gm 3U rackmount compressor External P S U PSU umbilical cable 2 pc IEC mains power cords If the unit is...

Page 4: ...t on Make sure that all of the external connectors are plugged into the Variable Gm sockets then switch the unit on Power up the unit and allow it enough time to stabilize before using It usually take...

Page 5: ...lar to RMS level of the signal present at the Input XLR connector for that channel A 0VU indication lets you know that a 8 dBu 1 947Vrms signal is present Consequently the 4dBu indication is found at...

Page 6: ...erning the compression action It does not affect the actual audio signal path just the Peak Reduction action This switch is effective for bass heavy music where you don t want the bass driving the who...

Page 7: ...7 3 MEASUREMENTS Noise floor...

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Page 11: ...Rejection Ratio C M R R ref 1KHz 14dB gain 70dB Total Harmonic Distortion Noise THD N 1KHz 5 harmonics count Gain 14dB GR out Output Level 18dBu 1 06 Intermodulation Distortion IMD SMPTE 60Hz 7kHz 4...

Page 12: ...E directive LV low voltage equipment 73 23 CEE directive on electrical safety EN61010 and electromagnetic compatibility EN61000 RoHS Restriction of Hazardous Substances 2002 95 CEE directive QES Labs...

Page 13: ...epair or replace the product without charge or if not possible to refund the purchase price The warranty is not transferable and applies only to the original purchaser of the product This warranty is...

Page 14: ...________________ PRODUCTION ________________________________________________ ARTIST ____________________________________________________ ALBUM ____________________________________________________ SOUN...

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