Specifications – Manley MONO & DUAL MONO 40 dB MICROPHONE PREAMPLIFIERS User Manual
Page 11

SPECIFICATIONS
11
Vacuum Tubes:
1 x 6072A, 1 x 6414 per channel
Frequency Response
20 Hz - 60 KHz ( +/- 1 dB)
THD
05% @ 1kHz, +4 dBv out
Signal to Noise Ratio
80 dB or better typical
depends on settings and tubes
Maximum Output
+32 dBv ( 70 volts RMS ! )
+15 dBm into 600
Ω
Maximum Input
450 mV with maximum gain settings
The Input Attenuator is before the tubes so normal maximum input is much higher.
Gain
40 to 50 dB maximum gain depending
on the setting of the GAIN SWITCH
Input Impedance
2400 Ohm, transformer coupled
optimised for mics with 100 to 600 ohm output impedances
300 K
Ω
1/4 direct input
Output Impedance
50 ohms
(from 20 Hz to 20 kHz)
best driving 10 K
Ω
or higher
will drive 600
Ω
input with less headroom
Transformer coupled balanced output
MULTI CAP™coupled unbalanced output
Power Consumption
18 Watts
Size
19" X 1.75" X 10" (1U)
Shipping Weight
12 lbs