NAGRA – CLASSIC PREAMP
45
TECHNICAL SPECIFICATIONS
_____________________________________________________________
Input impedance
> 75 K Ohms
Output impedance
50 Ohms
Frequency response
10 Hz - 50 kHz
+0 /-0.5 dB
Dynamic range
> 125 dB
Gain at +12 dB
Minimum input level to
reach 0 dB (meter)
0.25 V RMS
Gain at + 12 dB
Maximum input level to
reach 0 dB (meter)
> 25 V RMS
Gain at 0 dB
Total harmonic distortion
(THD + N)
<0.01 %
@ 1 kHz, 1 V out, no load
Crosstalk
> 85 dB
Vacuum tubes
2x 12AX7 / ECC83
1x 12AT7 / ECC81
Selected by Nagra
Laboratory
Consumption
12 V 1040 mA
Standby <10 mW
Power supply
115 V or 230 V AC
input
ACPS II power supply
Dimensions
310 x 254 x 76 mm
12.2 x 10 x 3 inches
Weight
3.3 Kg – 7.27 lbs
CLASSIC PREAMP unit
alone