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In Reply to: RE: Harvard Electronics H-1 OTL Amp posted by mrflex65 on February 12, 2016 at 11:11:57
Spectacular! JF is for Julius Futterman, of course. I actually have a hand-written set of instructions for biasing my H3aa's, sent to me by Julius, and I recognize the handwriting. He was a nice guy. Whatever you do to restore the function of the amplifier, don't eradicate that note.
Trust me, i have no intentions of cleaning that bottom panel!Since you pointed it out,it just dawned on me that those are Futterman's initials!Since then,the output tubes have been changed,a few of them are still the originals,the rest are a mishmash of Raytheon's and newer logo RCA's and uses a 6AN8 driver/phase splitter tube.If i may ask,what was Futterman's association with Harvard? Did he work at/owned the company or did he just license the design to them.From what i read,Harvard went under in the early 60's.Can't find a thing on them on the net......
Harvard Electronics was Julius' company, just as Atma-sphere is Ralph's.
Why he chose that name, I do not know. Perhaps he was a Harvard graduate, but I think he may have been an immigrant to the US, which does not rule out that he may have gone to Harvard. As an adult, he was definitely a New Yorker.
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