2014年5月27日 · How it was done: Single-ended pentode mode, with primary-side feedback, and fixed bias operation. A look at the construction: Loading... This amplifier was built on-the …

2013年5月11日 · I finally came back to SE with a PSE amp. I hadn't tried that before and it really worked with PSE 4P1Ls in the output. Crucially, I was able to run all the tubes in filament bias …

2021年5月24日 · You will be surprised how well good 807 tubes match their self bias voltages (and therefore how well they match their cathode currents). They will match well enough for …

2020年6月11日 · There is an amp design that runs 807's in Extended Class A, two 807's are strapped as triodes, there is a big 1k resistor between anode and screen grid. It would be a …

2013年9月4日 · The 807 is a higher voltage version of the 6L6G. I believe it was first manufactured around 1937-38. The 807 was used in radio frequency transmitters and at times …

2021年1月2日 · Built myself a new toy over the Christmas holidays, see below. It's a SE 807 amp based on the Blue Glow/Triode Dick design. All the iron is Transendar, mostly Kiwame …

2019年2月6日 · Evening folks, I have recently finished up a SE 807 stereo amp and I am really enjoying it. It was designed by TriodeDick and Tweaked by Mark @ Blueglow for American …

Elegant Styling sets off this Great Sounding 807SE Sterio Vacuum Tube Amplifier. Hand built and designed by Master Amp Builder, IKE CHUN, the Teak Wood Wooden base, uniquely …

The 150 / 75 SE/PP 807 MONOBLOCKS can switch from either 75 watts in single-ended to 150 watts in push-pull. The 807 tube was chosen for good reasons: easy availability and high …

100% Hand built stereo, singled-ended class A Pentode/Ultra-Linear, all tube power amplifier using 807, 6N1P and 5U4 tubes. This amplifier layout has been carefully designed using a …