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M1.5 ticking noise

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lanf08

Newbie

Posts: 5

Joined: Wed Nov 04, 2009 1:07 pm

Post Thu Mar 04, 2010 9:28 am

M1.5 ticking noise

Hi have a M1.5 that is making ticking noise. The noise is coming from the power supply and is doing a tick, tick non stop at a relatively fast speed. Can anyone help me on that....
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BillD

User avatar

(pair of) SILVER-7 TUBE AMPs

Posts: 7295

Joined: Wed Jun 06, 2007 8:29 pm

Location: The west's most mid-western town, Scottsdale, Arizona

Post Thu Mar 04, 2010 10:44 am

Re: M1.5 ticking noise

Get in there and check the supply (rail) voltage. It sounds like it's too high. There is a pot in there to do this. I got an M-500 to work on that made that sound, and when I turned it down, it stopped.
It should sound like it isn't there!
There is a difference between hearing and listening...
Making life enjoyable through expensive electronics.
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Carver: C-4000 & C-1 preamps, PSC-60 preamp/tuner, TX-11a tuner, M-400 (2), C-500, M-500, M-500t, M-500t Mk.II, A-500x, AL-III loudspeakers (2 pr.)
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