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OLDER DECWARE GEAR SUPPORT >> SE84CS, SE84ZS >> SE84CS dumb question (maybe?)
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Message started by hdrider on 06/02/06 at 17:28:10

Title: SE84CS dumb question (maybe?)
Post by hdrider on 06/02/06 at 17:28:10

Guy & Gals- Last night I went to fire up my SE84CS and the Mullard 5u4 lit up, but not the input or the SV83's. I opened it up and measured the voltages (it was a kit I built) and everything was the same as the day it was completed. I swapped out one of the SV83's no change, swapped out the other and everything fired up. I looked at the schematic but I guess I'm missing something that if one output goes bad those three tube don't fire up?? Anything else I should look at or measure?? Sounded fine and I have more SV83's coming from DeVon next week. Please let me know if I'm missing something else.

Title: Re: SE84CS dumb question (maybe?)
Post by Rap on 06/02/06 at 20:05:09

Wish I could help, But my Cs´s are built by Steve and no problems so far ;)

Title: Re: SE84CS dumb question (maybe?)
Post by dr._sleep on 06/12/06 at 17:24:30

hdrider:
Could you have DIY'd your filament string in series as opposed to parallel?

dr_sleep

Title: Re: SE84CS dumb question (maybe?)
Post by hdrider on 06/12/06 at 17:37:08

Dr. Sleep - It seems that it was a tube problem. I swapped out the SV83's, keeping the 5U4 and input tube the same. The amps working fine and sounding fine now. Thanks for the replys and tips.