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Old 11-08-2019, 09:03 PM
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W9TR W9TR is offline
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Default The wait is part of the journey

Quote:
Originally Posted by Maks View Post
I believe you've need to have the first amp connected directly to the C2300 as it has the meter illumination control signal in the stereo 1/8" cable, my guess is your P5 doesn't support that.


Yes. McIntosh uses a stereo 1/8” jack where the sleeve is ground, the tip is power control, and the ring is light control. I believe the light control on the 275 VI controls the tube illumination.

Check the P5 power control input and see if it is 3 conductor or two conductor. If it is two conductor then the ring will short to the sleeve and the lights in the amps will stay off when you plug in the power conditioner.

If you connect the power control of your C 2300 with three conductor control cables daisy chained with the MC 275 power control in/out jacks, the amp lights should follow the c2300 meter lights.

If you plug the power conditioner into the last MC 275 power control out and the amp lights turn off you have found the culprit.

One workaround is to create a trigger output for, say, Main 1, and use that to control the power conditioner. Run the amps off the main power control output of the C2300.

Tom
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Last edited by W9TR; 11-08-2019 at 09:09 PM.
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