Audio tube amplifier, 1.5W RMS/channel of pure A-Class, powered with EL84 wired as a triode with tube rectifier.
Hi folks,
This is my home stereo tube amplifier. I wanted the max quality out of the couple of EL84, so I sacrificed output power to have an A-Class triode single ended amp.
I designed and made it se…
This is my home stereo tube amplifier. I wanted the max quality out of the couple of EL84, so I sacrificed output power to have an A-Class triode single ended amp.
I designed and made it several years ago, fed up with my 40W solid state one, to couple it with another EL84 one to bi-amp my 2-ways loudspeaker, using it to drive the tweeters.
Several features make it special:
The triode-like connection of the final tubes, the possibility to use either a 6CG7, 6SN7 or ECC82 as driving tubes, the adoption of tube rectifying with inductive-capacitive filtering, and the possibility to select (with 2 jumpers) if running the full audio band or just the upper part only, to use it as a single overall amplifier of for bi-amping.
It's hyper tested as it runned my home stereo system for years. Power supply is 230V +10/-15%, so please be aware of what your supply voltage is before buying it!!
Thanks everybody for your time spent on my page!
Andrea
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