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The 807, a Vacuum Tube for the Ages - IEEE Spectrum
https://spectrum.ieee.org/the-807-a-vacuum-tube-for-the-ages
And in 1947, English engineer D.T.N. Williamson described the circuit for his eponymous high-fidelity audio amplifier [pdf], variations of which used the 807. Although RCA closed its electron tube ...
Featured Vacuum Tube: The 807 - diyAudio
https://www.diyaudio.com/archive/blogs/miles-prower/952-featured-vacuum-tube-807.html
Featured VTs: The 807 807 The first of the beam formers is also one of the most enduring types: the 6L6. Developed by RCA in the mid-1930s, this type was originally intended for use as an audio final. It included other, then new, features besides the elimination of an actual, physical suppressor grid required to smooth out the screen grid "kinks".
807 (vacuum tube) - Wikipedia
https://en.wikipedia.org/wiki/807_(vacuum_tube)
Audio uses. 807s were used in audio power amplifiers, both for public address and Hi-Fi application, usually being run in push-pull pairs in class AB1 or AB2 giving up to 120 watts of usable power. The plate voltage limit is 750 volts and the screen grid limited to 300 volts. Because of the 300 volt screen grid voltage limit, the 807 cannot be triode connected for high power …
Vacuum Tube - 807, Beam Power Amplifier | Antique ...
https://www.tubesandmore.com/products/vacuum-tube-807-beam-power-amplifier
Vacuum Tube - 807, Beam Power Amplifier. $24.70. Quantity *. Add to cart. In Stock. Quantity in stock: 81. New-Old-Stock (NOS) tube. Also known by US military identifier VT-60A. The 807 is a beam pentode for power amplifier, oscillator, and modulator applications.
807 Tube Audio Amplifier Schematic - surefasr
https://surefasr132.weebly.com/blog/807-tube-audio-amplifier-schematic
The 807 is a beam tetrodevacuum tube, widely used in audio- and radio-frequency power amplifier applications. Audio uses [ edit ] 807s were used in audio power amplifiers, both for public address and Hi-Fi application, usually being run in push-pull pairs in class AB1 or AB2 giving up to 120 watts of usable power.
807 Tube Audio Amplifier Schematic - squaredfasr
https://squaredfasr687.weebly.com/807-tube-audio-amplifier-schematic.html
Tube Amp Schematics. Saved by Dainius Zokas. Dc Circuit Circuit Diagram Diy Electronics Electronics Projects. The audio power would increase or decrease the amplitude of the RF envelope. The 807 was also a workhorse of the HF bands.
Single-Ended 807 Amplifier | Evil Science Audio
https://evilscienceaudio.com/2014/05/27/updated-single-ended-807/
This amplifier was built on-the-cheap. I used salvaged transformers purchased well below online prices and 807 tubes which are still reasonably priced. 7 watts per channel. I won an impromptu local "shootout" with this. Recently added speaker/headphone switch and headphone jack. Now it's personal! How it was done: Single-ended pentode mode, with primary …
vacuum tube hi-fi – Preservation Sound
http://www.preservationsound.com/tag/vacuum-tube-hi-fi/
another 30-watt amp, this time using the very cheap 807 tubes. The 807 is similar to a 6L6, except that the grid connection is on a top cap. 807s can also handle crazy high voltage.a. A schematic for the venerable Langevin 108C, which was apparently a very popular choice for industrial audio distribution in the ’40s. Another 807-based amp ...
"807" Push-Pull amp - Pete Millett's DIY Audio pages
http://www.pmillett.com/807pp_amp.htm
I used a push-pull-parallel set of 5B/854M tubes, which are basically 807 tubes in a slim bottle with a loctal base. 807's or 5933s can be substituted, as can 6L6 tubes or even 829B tubes. The Circuit. Download a PDF schematic of the amp wiring, the driver PCB schematic showing components for this build, and the power supply PCB schematic.
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