We can provide power transformer which use for 117V, 220V, 230V, 240V.
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OTOMON LAB 71A drive 45 tube amplifier SE Zero NFB (O.U.D.D.C)
OTOMON LAB 71A drive 45 tube amplifier SE Zero NFB (O.U.D.D.C)
Input voltage can be changed to 117V or 230V.
Rectifier tube is 83 or 80 tube.
This amplifier use DHT 71A tube driver 2A3 tube with O.U.D.D.C. Prestage tube is 396A
Sound is very sweet and rich, very quiet and clear sound.
Generally, 45 tube gerenrate 1.5-2W of power but with this special circus, amplifier reach 4W at 5% THD.
This is product adopted new circuit O.U.D.D.C, and the result is as usual, really amazing.
Input voltage can be changed to 117V or 230V.
Rectifier tube is 83 or 80 tube.
This amplifier use DHT 71A tube driver 2A3 tube with O.U.D.D.C. Prestage tube is 396A
Sound is very sweet and rich, very quiet and clear sound.
Generally, 45 tube gerenrate 1.5-2W of power but with this special circus, amplifier reach 4W at 5% THD.
This is product adopted new circuit O.U.D.D.C, and the result is as usual, really amazing.
With Zero NFB, the response frequency is flatted from 30Hz to 25Khz, this is impossible to all amplifier that using another schematic. At -1db it is from 20Hz to 35K Hz.
The sound as testing in our system is really special, very musical and sweet. 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 : 20Hz ~ 40KHz (-1db)
Hum level: 0.3mV
THD : 5% 4W
The sound as testing in our system is really special, very musical and sweet. 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 : 20Hz ~ 40KHz (-1db)
Hum level: 0.3mV
THD : 5% 4W
$2,350.00
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