D.W. FEARN
VT-I/F Vacuum Tube Instrument Interface
9
S p e c i f i c a t i o n s
(with 200 mV input)
Input
200 mV nominal
unbalanced
Input Load
Impedance
1 megohm minimum
Minimum
Input Level
5 mV nominal
Maximum
Input Level
2.3 volts P-P for
1% THD
Gain
-10 dB
Frequency
Response
+/- 0.2 dB 10 cps to 20 kc
-3 dB @ 0.5 cps and 95 kc
THD + Noise
<0.3% 20 cps to 20 kc
Intermodulation
Distortion
<0.01% SMPTE
Noise
minimum 90 dB below output
(22 cps to 22 kc bandwidth)
Output
Transformer Balanced
(matches 150 ohm input)
Output Level
-30 dBm nominal
Maximum
Output Level
-12 dBm
Crosstalk
maximum -90 dB @ 20 kc
Power
Requirements
100/120/220 VAC 50/60Hz
25W
Dimensions
8”W x 5”H x 12”D
(20.3cm x 12.7cm x 30.5cm)
Weight
15 lbs (6.82 kg)
NOTE: Throughout this manual, frequency is specified in cps (cycles per second) and kc (kilocycles per second). These units correspond
to Hz and kHz. Specifications and price subject to change without notice.
