Question about Peavey Car Audio & Video
My amp powers up but I do not get any sound from any of the channels, just a humming noise. Could it be the capacitor?
No It wont, is this a new amp you installing or is it already been installed and was working?
Posted on Feb 18, 2014
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Posted on Jan 02, 2017
It probably has shorted output transistors. To eliminate other possible causes, read through the following page.
Amplifier in Protect Mode - Troubleshooting
Let me know if you have any other questions.
Posted on Nov 02, 2008
Check your speakers and Cables. I had some speakers that traveled in my small trailer and the vibrations of the trailer caused the diaphram to back off my horns. Once I got the speakers fixed the DDT light on my power amp stopped staying on so much.
Posted on Jan 20, 2010
It APPEARS that the preamp tube heaters are run from DC source while the latter ones and the power output tubes are run on AC.
Check the 6.3 volts AC going to the power amp tube.
That heater power is fed through fuse F2.
I suspect you will find that fuse has a bad fuseholder or is blown. A failure in the transformer is possible and I hope that is not the case.
A heater short in a tube is possible but doesn't happen often. Replace the fuse ONCE only and if it blows again investigate why. Could be bad wiring or a bad socket or an internal short within one of the unlit tubes. Thoose are rare but still possible.
Posted on May 08, 2010
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