D.W. Fearn VT-7 - Manual (Page 10)

D.W. FEARN
VT-7 Compression Amplifier
13
1 .
S P E C I F I C AT I O N S
Input 600 ohm source (nominal)
balanced or unbalanced
Input Load
Impedance 32k ohms, transformer
balanced bridging
Nominal Input
Level +4 dBm
Maximum Input
Level @ 20 cps +25 dBm
Gain unity to +15dB
Frequency
Response ± 0.2 dB 20 cps to 20 kc
± 0.5 dB 11 cps to 28 kc
-3 dB @ 0.5 cps & 65 kc
THD + Noise <0.05% 20 cps to 20 kc
Signal to
Noise Ratio 78 dB minimum
Output low-Z, transformer balanced
Output source impedance 115 ohms
Maximum
Output Level +22 dBm into bridging input
balanced or unbalanced
Gain Reduction Range 0 to 20dB
Power
Requirements 100, 120, or 220 VAC
50/60Hz, 85 W
Dimensions 19” (48.26cm) W
5.25” (13.34cm) H
13” (22.9cm) D
Weight 22 lbs (9.55 kg)
Shipping Weight: 28 lbs (12.27 kg)
(measurements are made with +4dBm input and output, no compression, into a bridging load)