Предусилитель из той старой и «доброй» Англии, когда все делали еще на совесть.
Посмотрите на его напарника, усилитель мощности QUAD 405-II
Quad 44 Pre Amplifier Specification :
-Line Source Frequency Response : 30 Hz — 20 kHz (+/- 1db)
-Disc RIAA Frequency Response : 30 Hz — 20 kHz (+/- 0.5db)
-Distortion: < 0.05%
-Input Impedence: Variable according to modules (Radio & Tape typically : 100mV), (Aux : 500mV)
-Interchannel Balance: +/- 0.5 db
-Crosstalk: > 70 db
-Power consumption: 7 Watts
-Mains voltage : 110 – 120 V, or 220 – 240 V (interchangeable on PCB)
-Dimensions (W x D x H) : 321 x 103 x 207 mm
-Weight: 4 kg
Specification (Figures refer to 5 V output. All voltages are rms)
-Distortion: Worst case, any input = 0.05 % from 30 – 10000 Hz
Typically, any input = 0.02 % from 30 – 10000 Hz
Residual noise: ‘A’ weighting. Volume control set minimum — 104 dB
-Frequency response: Any input except disc, any output + 0 – 1 dB from 30 – 20000 Hz
Disc + or — 0.5 dB IEC 98-4 from 30 – 20000 Hz
-Inputs:
—Source = RADIO 100 mV for full output at 1 Khz (5 V max)
—Source = AUX 500 mV
—Source = TAPE REPLAY 100 mV, 300 mV, 775 mV, 3 V, 10 V (configurable)
for full output at 1Khz (5 V, 15 V, 40 V, 100 V, 100 V max)
—Source = DISC 1 mV, 3 mV, 10 mV (switchable) for full output at 1 Khz
(35 mV, 100 mV, 300 mV max)
-Outputs:
—To power amplifier: 0.5 V, 1.6 V, 5 V
-Power input: 100 — 130 or 200 – 250 V, 50 – 60 Hz
-Dimensions (WxHxD) (mm): 320 x 103 x 207
-Weight: 4 Kg.