Tube based push-pull amplifier

Freq. resp. @ -3 dB: 5 Hz – 40 kHz

Low noise: < -85 dBU @ 0 dB gain

CMRR: > 60 dB @ 10 kHz

All-tube passive EQ

4 LF frequencies: 20, 30, 60 and 100 Hz (Boost: 0 to +14 dB, attenuation: 0 to -18 dB)

10 HF boosts with variable bandwidth: 1, 1.5, 2, 3, 4, 5, 8, 10, 12 and 16 kHz (0 to +18 dB w/ sharp Q, 0 to 10 dB w/ broad Q)

3 HF attenuations: 5, 10 and 20 kHz (0 to -18 dB)

Input impedance: 600Ω

No insertion loss

Clickless In/Out switch

Conductive plastic potentiometers

In- and output are transformer balanced and fully floating