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We can provide power transformer which use for 117V, 220V, 230V, 240V.
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OTOMON LAB Circlotron tube amplifier VT62/801A/50' compatible amplifier

Our target is not to chase arbitrary bench measurements for the sake of specifications alone, even though our amplifier comfortably outperforms most standard products on the market. While we possess the engineering capability to force even lower distortion figures on paper, we deliberately choose a different path.

Our true focus is the emotional energy and vitality that music conveys, which can not be calculated by any machine, rather than achieving the lower possible THD or the wider frequency response. To capture the true soul of the music, we willingly accept trade-offs in conventional technical data when it serves the ultimate listening experience


OTOMON LAB Circlotron tube amplifier VT62/801A/50' compatible amplifier

You can order using specific transformer. The model in pictures is prototype version, using vintage transformer, but order ones use new transformer ISO( old TANGO )

Very little NFB was adopted (-3db), for better performance, you can remove it if you want.

Circrotron output stage is very complicated. It needs 2 separated floating power supply, separated power supply for driver stage. But the sound is very special becuase of low noise, low distortion, no DC in transformer.

Prestage tube is 12AT7(12AY7, 12AU7), voltage amplifier tube is 6CG7 or 6DJ8, driving stage tube is 6CG7 or 6DJ8
No tubes are included. This amplifier is working in class A1.

Sound is very clear, beautiful, littel dark and very detail. Specification
Response frequency : 10Hz ~ 45KHz Hum level: 0.3mV
Official Representative in Vietnam: OTOMON VIETNAM
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  • NEW
$4,500.00
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OTOMON LAB Circlotron tube amplifier VT62/801A/50' compatible amplifier

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