Search found 109 matches

by Theashe
Fri Nov 14, 2014 2:02 pm
Forum: Technical Discussion
Topic: First-Time Tube Amp Design
Replies: 43
Views: 4840

Re: First-Time Tube Amp Design

Thanks for the feedback, Matt. Could you elaborate on what you mean by 'unusual screen arrangement'? What is a more typical/common arrangement? The grid leaks were chosen as the max from the GE data sheet for 6L6GC tubes, and the grid stoppers were more or less arbitrarily chosen to be larger with t...
by Theashe
Fri Nov 14, 2014 4:27 am
Forum: Technical Discussion
Topic: First-Time Tube Amp Design
Replies: 43
Views: 4840

First-Time Tube Amp Design

Hey all, I'm just entering the world of designing and building tube amps. I've been spending months digging through forums and Couch's and Merlin's works to learn what I can, and I think I'm finally ready to start designing. The design I'm working on is a 30W cathode biased push-pull amp using two 6...
by Theashe
Fri Sep 19, 2014 2:36 am
Forum: Technical Discussion
Topic: Help Identifying Useful Tubes?
Replies: 12
Views: 2717

Re: Help Identifying Useful Tubes?

Just for interest's sake, I found a thread on another forum about using horizontal TV tubes in audio amplifiers. There's some neat talk surrounding 6AV5, 6CD6GA, and 6JN6 tubes. I'll have to look into it more in the morning. http://www.diyaudio.com/forums/tubes-valves/78822-horizontal-tv-tubes-used-...
by Theashe
Thu Sep 18, 2014 11:32 pm
Forum: Technical Discussion
Topic: Help Identifying Useful Tubes?
Replies: 12
Views: 2717

Help Identifying Useful Tubes?

Hey all, I've been a lurker here for a few months now, while I've been putting together the know-how to design and build my first tube amplifier. I recently came across a big box of old tubes, and since I'm only familiar with a few various types of tubes common in guitar amplifier circuits, I was wo...