GAI-Tronics 370-201, 372A Interface Amplifier Assembly - Manual (Page 9)

Pub. 42004-019D
Model 370-201 Interface Amplifier Assembly Page: 9 of 9
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07/05
Specifications
Audio Characteristics
Line Terminals Output: GAI-Tronics Terminals Input; 1000 Hz
Load Impedance................................................................................................................ 600-1000 ohms
0.15 uF in parallel
Output source impedance .............................................................................................. 600 ohms, nominal
Output level.......................................................................................... 0.78 V
RMS
, nom. (with nom. input)
Maximum output ............................................................................................. 2.0 V
RMS
(with nom. input)
Input level......................................................................................... 1.5 V
RMS
, nom.; 0.39 V
RMS
minimum
Frequency response............................................................................................ 250-4000 Hz (0, -0.5 dB)
Harmonic distortion .......................................................................................................... 0.6% maximum
GAI-Tronics Line Terminals Output: Line Terminals Input; 1000 Hz
Load impedance............................................................................................................. 33 ohms, nominal
Output source impedance ......................................................................................... 1000 ohms, minimum
Output level............................................................................................ 1.5 V
RMS
, nom. (with nom. input)
Maximum output ............................................................................................. 1.9 V
RMS
(with nom. input)
Input level.............................................................................................. 0.78 V
RMS
, nom.; 0.21 V
RMS
, min.
Frequency response................................................................................................ 250-4000 Hz (0, -4dB)
Harmonic distortion .................................................................................................................. 0.6% max.
Power Requirements
120 V ac................................................................................................... 105-130 V ac, 50-60 Hz, 10 W
24 V dc............................................................................................................... 21-28 V dc, .1 amp max.
Physical Characteristics
Controls......................................................................................................... Gain control GTC TO LINE
Gain control LINE TO GTC
BALANCE C ontrol (to compensate line capacitance)
Temperature range............................................................................ -22º F to +158º F (-30º C to +70º C)
Construction/finish..................................................... 16-gauge cold-rolled steel/gray polyurethane enamel
Mounting............................................................................Wall or column, four 5/16-inch mounting holds
Connections ...............................................................................Internal screw-type barrier terminal blocks
Dimensions............................................................. 8.1 H
× 8.1 W × 5.1 D inches; (206 × 206 × 129 mm)
Shipping weight .................................................................................................................. 11 lbs (4.8 kg)