OTOMON Laboratory　(音門ラボ) / Uesugi Yoshiro 6B4G(2A3) PP tube amplifier for Tannoy autoghraph speaker

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Uesugi Yoshiro 6B4G(2A3) PP tube amplifier for Tannoy autoghraph speaker

We can provide power transformer which use for 117V, 220V, 230V, 240V.
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I will give discount 10% or more for all item in my eBay listing, contact me for more detail

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Uesugi Yoshiro 6B4G(2A3) PP tube amplifier for Tannoy autoghraph speaker

This product is not for sale, if you want the same item, please contact me for special order making

Manufacturer:: OTOMON Lab

Audio amplifier > Tube amplifiers Audio amplifier > Special Order Made

One of the best pushpull amplifier designed by the legend Uesugi Yoshiro. It used 2A3 tube as power tube, prestage is EF86, secondary is 76 tube driver 2A3 tube using interstage transformer.

Uesugi Yoshiro is very famous tube amplifier designer, people in Japan call him the master of tube amplifier. He has many book researching about tube amplifier, the first amplifier was made as he is 4 years old. He is considered as one of the biggest man in audiophile community. This is amplifier that he designed for TANNOY Autoghraph, but it is matchign with almost speaker like JBL, Altec or any other one. T

In this amplifier I replace 2a3 with 6B4G tube which has same spec with 2A3. I also use tube to rectifier not diode like Uesugi design.

Transformer using in this amplifier : Lux made, Interstage transformer is the big Sansui A-102. Sound is beautiful, deep power and wide sound stage

Amplifier is working in class AB1, 15W output per channel.

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