|
Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
For Sale Ads |
Use this form to submit comments directly to the Asylum moderators for this forum. We're particularly interested in truly outstanding posts that might be added to our FAQs.You may also use this form to provide feedback or to call attention to messages that may be in violation of our content rules.
Original Message
RE: Powered it up WITHOUT the driver tubes...still misbehaving
Posted by PakProtector on January 15, 2017 at 03:34:18:
take the coupling cap off at the power tube's grid. You'll need a couple meters with their leads clipped to a few places. The power tubes current sense, and some of the bias supply. Then fire it and you should find the problem.
cheers,
Douglas