Comments on: I have a Peavy Delta Blues guitar amp. The preamp tubes light up but the 4 EL84 power tubes do not? http://audiograveyard.info/other-electronics/i-have-a-peavy-delta-blues-guitar-amp-the-preamp-tubes-light-up-but-the-4-el84-power-tubes-do-not All About vintage pro audio Wed, 08 Sep 2010 02:41:24 +0000 http://wordpress.org/?v=2.2.2 By: Dagger http://audiograveyard.info/other-electronics/i-have-a-peavy-delta-blues-guitar-amp-the-preamp-tubes-light-up-but-the-4-el84-power-tubes-do-not#comment-835 Dagger Sun, 04 Oct 2009 07:54:35 +0000 http://audiograveyard.info/other-electronics/i-have-a-peavy-delta-blues-guitar-amp-the-preamp-tubes-light-up-but-the-4-el84-power-tubes-do-not#comment-835 Try replacing the 4EL84 power tube if that dose'nt work check out all of you wires and make sure you don't have a loose connetion or a bad solder joint. A bad solder joint has a ring around and it looks cracked and dull you should be able to tell the differance from a fresh solder joint. Also you might want to check your diodes and caps if any hope this might help you. Repair tech for 5 years Try replacing the 4EL84 power tube if that dose’nt work check out all of you wires and make sure you don’t have a loose connetion or a bad solder joint.
A bad solder joint has a ring around and it looks cracked and dull you should be able to tell the differance from a fresh solder joint.
Also you might want to check your diodes and caps if any hope this might help you.

Repair tech for 5 years

]]>