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815 AB2 Amp - Pete Millett's DIY Audio pages
http://www.pmillett.com/815_amp.html
DIY Audio Home. 815 Class AB2 amp. Mr. and Mrs. Potatohead live! I have the stereo pair of 815 amps assembled. Testing is ongoing... on the 8 ohm taps, I get over 50 watts out, and still low THD at 1 watt (~0.02-0.04%). I have not yet …
Antique Radio Forums • View topic - 815 tube
https://www.antiqueradios.com/forums/viewtopic.php?t=238250
The 815 would be better suited to an audio amplifier. I believe the 815 data sheet that Norm referred to above contains the operating characteristics for a 40w class AB2 audio amp. I suspect the voltage / impedance specs could be modified to stay within class AB1 (or even A1) for lower distortion, an easier build, and if you didn't need the ...
Circuit Ideas for the 815 (martian tube) | diyAudio
https://www.diyaudio.com/community/threads/circuit-ideas-for-the-815-martian-tube.160805/
It was my first serious effort into the world of "non-audio intended" TV tubes, and I am officially hooked. I was expecting something "ok" fidelity wise, but the amp absolutely blew me away. I can't stop listening to it. So, now I'm terribly excited about "oddball" tubes, and …
Tube amplifier - HeepyWiki
https://heepy.net/index.php/Tube_amplifier
Tube amplifier. This is a Williamson-style push-pull audio amplifier designed around the RCA type 815 transmitting tube as the output stage. The 815 was designed during WWII as a VHF transmitting tube for use aboard aircraft, but is suitable for audio use as well. It is a dual beam-power pentode, making it convenient for push-pull use, however ...
Amazon.com: Adcom GFP-815 Stereo Preamplifier : …
https://www.amazon.com/Adcom-GFP-815-Stereo-Preamplifier/dp/B005Q36WXU
The GPF-815 is designed to capture all the fidelity that high-resolution audio has to offer, with precision broadband components and an ultra low noise floor. Equipped with a processor loop, a tape loop and a phono stage, this new ADCOM preamp hasn't forgotten about your legacy components. Audition the GFP-815 paired with an ADCOM power amp and ...
Vintage 1953 AMPEG "BASSAMP" 815 tube guitar amp …
https://reverb.com/item/2749820-vintage-1953-ampeg-bassamp-815-tube-guitar-amp-serviced-working-w-fiber-case
NEW INFO! most likely an 815, "BASSAMP" model. I have had it sitting high and dry since about 2009. Amp just serviced and brought back to life by Carter Vintage Guitars here in Nashville. I did some research out of the AMPEG book, 308291 indicates …
815 @ The Valve Museum
http://www.r-type.org/exhib/abo0021.htm
The 815 is a power double beam tetrode based on the American pattern of two separate valve sections. Operation can be as a push-pull modulator (Class AB2) or RF power amplifier. The 815 produces maximum power up to 125 MHz and at reduced ratings can operate to 175 MHz. The RCA logo. The black rectangular box anodes connect to the top caps.
Tube Power Supply PCB - Pete Millett's DIY Audio pages
http://www.pmillett.com/hvrect3.html
DIY Audio Home. Tube power supply PCB with bias supply. For my 815 amp, as well as other projects, I designed a PCB that provides HV rectifiers and filter caps plus an isolated supply that can be used as a negative bias supply. It's pretty self-explanatory. The HV side uses a bridge made of TO-220 rectifiers (I would suggest a SiC Schottky ...
The Most Popular High-End Tube Amps | Top Tube …
https://toptubeamplifier.com/the-most-popular-high-end-tube-amps-in-the-market/
5 Best High-End Tube Amps in 2021. MUZISHARE X7 KT88 x4 Push-Pull Vacuum Tube Integrated Amp Power Amplifier MM Phono amp Remote Upgrade. BoyuuRange MT-34 MKII EL34 Tube Hi-Fi Intergrated Amplifier Push-pull.
Tube Power Amp Reviews | Stereophile.com
https://www.stereophile.com/category/tube-power-amp-reviews
From my writing chair, I can see about a dozen moderately priced tube and solid state audio amplifiers. The five stacked next to my desk are First Watt or Pass Labs models designed by Nelson Pass.Across the room is a hybrid tube/class-D Rogue Sphinx V3 integrated. That black Sphinx is standing on its side behind one of the DeVore Fidelity Orangutan O/93 speakers.
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