We can provide power transformer which use for 117V, 220V, 230V, 240V.
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Facebook Channel: Otomon Vintage FB
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[ The Tesseract III ] OTOMON LAB 71A drive 50'/VT-62/VT-25/10Y compatible tube amplifier stereo 8W+8W power Zero NFB (O.U.D.D.C)
[ The Tesseract III ] OTOMON LAB 71A drive 50'/VT-62/VT-25/10Y tube amplifier stereo 8W+8W power Zero NFB (O.U.D.D.C)
This absolutely the best 50'/VT-62 tube amp that I have ever made. This is prototype version, if you see this one was sold out, price for order the same one is 2800USD.
This is order made product that adopt new circuit O.U.D.D.C, and the result is really amazing in low frequency.
Prestage tube is 396A, drive tube is 71A, output power tube can be used with 50 tube or VT-62 or 10Y,VT-25
This absolutely the best 50'/VT-62 tube amp that I have ever made. This is prototype version, if you see this one was sold out, price for order the same one is 2800USD.
This is order made product that adopt new circuit O.U.D.D.C, and the result is really amazing in low frequency.
Prestage tube is 396A, drive tube is 71A, output power tube can be used with 50 tube or VT-62 or 10Y,VT-25
All parts are new ones. No tubes are included. You can order 100V, 117V or 230V. This amplifier is working in class A, single end mode generate 8W of power for one channel with 50' tube. Zero NFB !!!
With Zero NFB, the response frequency is from 30Hz to 35Khz, at -3db it is from 20Hz to 40K Hz.
The output power is 8W with 50 tube (No NFB). Generally 50' tube always has max power 5-6W, this one get 8W of power at only 5% of distortion.
The sound as testing in our system is really good. The biggest characteristic of O.U.D.D.C is that it bring a quite difference bass sound. Deep, open sound stage and detail.
Specification (Zero NFB)
Response frequency : 16Hz ~ 40KHz (-3db) Hum level: 0.3mV
THD : 5% 9W
This item was SOLD OUT, you can ask me for ordering the same one or contact to me to get notification of the same one.
With Zero NFB, the response frequency is from 30Hz to 35Khz, at -3db it is from 20Hz to 40K Hz.
The output power is 8W with 50 tube (No NFB). Generally 50' tube always has max power 5-6W, this one get 8W of power at only 5% of distortion.
The sound as testing in our system is really good. The biggest characteristic of O.U.D.D.C is that it bring a quite difference bass sound. Deep, open sound stage and detail.
Specification (Zero NFB)
Response frequency : 16Hz ~ 40KHz (-3db) Hum level: 0.3mV
THD : 5% 9W
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