We can provide power transformer which use for 117V, 220V, 230V, 240V.
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2A3 drive GM70 tube amplifier Zero NFB (O.U.D.D.C) monoblock/30W power
[Prototype] 2A3 drive GM70 tube amplifier Zero NFB (O.U.D.D.C) monoblock/30W power
This is order made product that adopt new circuit O.U.D.D.C, and the result is really amazing.
This is order made product that adopt new circuit O.U.D.D.C, and the result is really amazing.
All parts are new ones. No tubes are included. This amplifier is working in class A, single end mode generate 30W of power for one channel. Zero NFB !!!
Driver tube is 2A3, adopt O.U.D.D.C
Prestage tube is 417A, you can order to use any tube you like
With Zero NFB, the response frequency is flatted from 25Hz to 40Khz, this is impossible to all amplifier that I made before. At -1db it is from 16Hz to 40K Hz.
The output power is 30W.
The sound as testing in our system is great with low bass well balanced with musical sound. 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 : 10Hz ~ 60KHz (-1db) Flatted from 20Hz to 40Khz
Hum level: 0.3mV
THD : 5% 30W
Driver tube is 2A3, adopt O.U.D.D.C
Prestage tube is 417A, you can order to use any tube you like
With Zero NFB, the response frequency is flatted from 25Hz to 40Khz, this is impossible to all amplifier that I made before. At -1db it is from 16Hz to 40K Hz.
The output power is 30W.
The sound as testing in our system is great with low bass well balanced with musical sound. 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 : 10Hz ~ 60KHz (-1db) Flatted from 20Hz to 40Khz
Hum level: 0.3mV
THD : 5% 30W
$7,600.00
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