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RE: Fi 2A3 mono amps v. this (see photo)

Thanks for the critique, Jeff.

First of all, I have no technical knowledge so please forgive my ignorance.

By DC, you presumably mean direct-coupled? Since there appears to be a capacitor (mounted on the gold-coloured metal bar) in the signal path, I assumed this to be a capacitor-coupled design.

What/where are the Rks you refer to?

Re the use of a 6J5, it's my understanding that a low gain driver will give better results if the loudspeaker being driven is sufficiently sensitive. (Audio Note UK, for example, use a 6J5 in their low gain version of the Conquest 300B amp.)

Re the sound - well, just 2 days ago I installed a pair of JJ 2A3-40s (replacing EML mesh plates) and I have to say I'm really impressed. They seem to be much better for low-level listening and, so far, appear to have all of the finesse of the EMLs.

Just last night I was listening to a Frank Zappa LP (the wonderful Uncle Meat) and, WOW, I don't think I've ever heard such fidelity of sound! The engineer (Dick Kunc) on this recording did an amazing job but I believe quite a lot of the credit for the quality of reproduction is due to the amps I'm using.

Makes me glad I didn't win the eBay auction for the Fi amps.




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