View Single Post
Old 10-20-2009, 06:34 PM   #5 (permalink)
jcmjmp
Senior Member
 
jcmjmp's Avatar
 
Join Date: Nov 2008
Posts: 2,712
Re: JCM2000 DSL100 hums when standby switched.

Quote:
Originally Posted by mc_guitar View Post
Hey,

Also check the BridgeRecifier used for the DC-Heating. They have been known to be quite weak currentwise.

Cheers Michael
They're rated for 6.0 DC amps (1997 JCM2-60-00 main board, issue 1). For two 12AX7s, its actually overkill since each 12ax7 draws 300ma (0.3A).

http://www.datasheetcatalog.org/data...nents/BR68.pdf

Maybe the newer DSLs have a different component?
jcmjmp is offline   Reply With Quote