1625 Audio Amplifier Schematic

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Dave's Homemade Big Tube Radio Using A Big 1625 Tube With ...

http://makearadio.com/tube/1625-allwave.php

Before you go, take a look at a project based on the 1625 All-Wave shown here. Nick Strong, G0CWA built this one valve all wave regen set . Have a look. Nick added some of his own ideas in to his design. Happy building de N2DS!

DIY Audio Projects Forum • 1625 SE Schematic Request

https://diyaudioprojects.com/Forum/viewtopic.php?t=2318

Hi. The 1625 JAN tube is electrically equivalent to the 807/ATS25. As Such my first recommendation would be that you take a look at the recent SE ATS25/807 two stage amp thread and make the appropriate changes for the heater voltage and the base pin out. Take a quick look at the schematics posted there and see what you think.

Higher power amps using 807's or 1625's | diyAudio

https://www.diyaudio.com/community/threads/higher-power-amps-using-807s-or-1625s.93612/

What I'm trying to do, basically, is come up with a low cost, higher-power amp using 1625's, which are basically the equivalent of the 807, except having a 12.6v filament and offbeat 7-pin socket. The 1625's are war surplus in big supply, and are ony about $5 just about everywhere for NOS, and can do up to 100w with just 1 tube, they say.

DIY 1625 Triode Wired Tube Amp - Klipsch Audio …

https://community.klipsch.com/index.php?/topic/194297-diy-1625-triode-wired-tube-amp/

My friend drew up the schematic based on what we had on hand. The rectifiers are RCA 816 mercury vapors, power tubes triode wired 1625, and driven by 6J5GT. The 6J5 are half a 6SN7 and I've been collecting them for years... I'll do distortion and power ratings soon. The meters need a little tweaking but sounds ok so far. 8 1 Quote soundbound

ARRL/QST 1625 amp project/schematic... cannot find it ...

https://forums.qrz.com/index.php?threads/arrl-qst-1625-amp-project-schematic-cannot-find-it.441333/

You can't use a stock 1625 in grounded grid because the cathode is tied to the beam-forming plates. Same for 807s. However, it was discovered that some brands of 1625 provided a separate wire for the beam-forming plates, and that the connection was made in the base of the tube.

Now you know 1625 Audio Amplifier Schematic