AMPLIFICAZIONE A VALVOLE QUAD

 

Quad II-forty Monobloc Power Amplifier

Valve complement

2 x KT-88 - 2 x 6SH7 - 1 x 5U4G

Total Harmonic Distortion at 700 Hz

0.3% at 40W - 0.03% at 1W

Frequency Response

10Hz to 30kHz (+0 / -0.5dB)

Damping Factor

20 at 700Hz (8 ohm)

Hum and Noise

better than -80dB

Loudspeaker taps

4 ohm and 8 ohm

Sensitivity

1 V RMS

Power Consumption

180W maximum

QC- twenty four Preamplifier

Valve complement

1 x 6111 twin triode

Total Harmonic Distortion at 1V RMS

<0.2%, 0.02% @ 1W

Frequency Response

5Hz to 50kHz (+0 / -0.5dB)

Hum and Noise

better than -80dB

Line Stage Gain

15dB

Recommended minimum load

50k ohms

Inputs

5 x line level - 2 x buffered tape loops