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urei 1176 woes Dynamics Processors (HW)
Old 4th March 2014
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urei 1176 woes

Hello all.I have a pair of 1176s with the same problem-meter pegs when put into the meter GR mode.No limiting,passes audio OK.Any common problems or ideas? Is there a modern replacement for the FET Q1?
Old 4th March 2014
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Ike Zimbel's Avatar

I doubt this is the FET. As always, more background info will help you get help with these. Are they new, used, new-to-you, recent e-bay purchase, been sitting in an unused condition for a long time etc? Have they been calibrated? Or, has someone attempted to calibrate them? It sounds to me like they may be in the early stage of the cal procedure, with R-81 dialed full CCW. That would certainly get you no GR...or R-81 may have gone bad. More info, maybe some pics would help.
Old 4th March 2014
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They are a friends.I'm fixing them They are older blackfaced -all discrete.I'm a experienced tech with test equipment and schematics,I just haven't worked on 1176s.power supply voltages are there,I can see the control voltages on the gate of the FET.The attack control does not affect the waveform of the control voltage, but the release does.If I can't suss it out,he has a functioning one I can A/B with.I'll check the cal.
Old 6th March 2014
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Led's Avatar
Probably not this but worth a read :
Is your black face 1176LN also an AM transmitter?
Old 10th June 2016
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I'm having the exact same issue with my 1176. Did you find a solution?
Old 5th October 2017
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Originally Posted by ampex601 View Post
I'm having the exact same issue with my 1176. Did you find a solution?
Me too
Old 9th October 2017
Village Idiot
Labs's Avatar

Check if its just the calibration first.

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