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[Prototype] OTOMON LAB 45/2A3/300B compatible PP tube amplifier 15Wx2 monoblocks

Technical data is just an improve that item was tested carefully before sending to customer. While our products consistently achieve good to excellent technical figures compared to commercial alternatives, those numbers serve only to confirm that the design contains no engineering errors.
We could, in most cases, apply active techniques to make the specifications look even more impressive — but if doing so strips away originality or musical character, we will not do it. Our aim is to build equipment that sounds beautiful, not equipment that measures beautifully.
At OTOMON, music is judged by the ear and no instrument can replicate the human 's ear.

OTOMON LAB 71A drive 45/2A3/300B compatible PP tube amplifier 20W power monoblock X 2 Zero NFB (O.U.D.D.C)

Heater is AC heater. You can use 45/2A3/300B with this amp, there is switch changing between tubes. Prestage and driver tube is 717A
No tubes are included. This amplifier is working in class A, 15W per channel !!!

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 : 10Hz ~ 50KHz (-1db) Flatted from 20Hz to 40Khz
Hum level: 0.3mV
THD : 5% 15W

  • Special order made
  • NEW
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[Prototype] OTOMON LAB 45/2A3/300B compatible PP tube amplifier 15Wx2 monoblocks

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