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In Reply to: RE: the schematic ... posted by Cut-Throat on May 17, 2021 at 18:36:35
Interesting. Hashimoto is certainly a good name - do you have a model number or link? I'm always interested in good-sounding transformers and what characteristics might be associated with the sound.
The circuit of the amp is an excellent example of classic simplicity - nothing exotic, just everything done right.
Follow Ups:
Closeup Pic.
Thanks!
Hashimoto H-20-3.5U; details easily found on the web. I was very interested to see that a 3.5K primary is being used, as opposed to the 4.8K of the UBT-2. The best 45 amp I've heard happened to use a 3K primary.
In any case, the rating of 80mA DC provides pretty hefty headroom for a 45!
"The best 45 amp I've heard happened to use a 3K primary."
what 45 amp would that be Paul ?... parafeed ?... I have a pair of tfa-2004 to use.. thanks
Neat primary arrangement; offers the ability to run different g2 ratio if applied to a pentode final... :)
cheers,
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.
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