1431A Specifications (cont'd)

Input: (Ref. 0 dBv = 0.775 Vrms)
Type: Electronically balanced
Impedance: 44 ki2 balanced
22 kiZ unbalanced Normal level: 0 dBv (0.775 Vrms)

Output: (Ref. 0 dBm = 0.775 Vrms

across 600 Q)
Type: Electronically balanced
Impedance: 120 S2 balanced 60 fl unbalanced

Load Impedance: 600 SZ or higher

Peak Indicator: Red LED +14 dBu (6 dB before clipping)

Operating Gain: 0 dB

Available Gain: ± 6 dB or ± 12 dB

High-Pass Filter: Switch selectable with cutoff below 43 Hz and a slope of 18 dB per octave.

Controls: • 31 center detent slide controls at '/a-octave center frequencies from 20 Hz to 20 kHz, selectable ± 6 dB or ± 12 dB boost/cut.
• LEVEL control with center detent
• LO-CUT select switch

•RANGE ±6dBor±12
dB select switch
• EQ-ON Equalizer ON
select switch
• AC Power switch
• Ground-Lift-Switch

Connectors:
Input: 3 Terminal barrier strip

Output: 3 Terminal barrier strip

AC Power: 110, 220 Vac 50/60 Hz 18 Watts

Operating Temperature
Range: Up to 50° C(122° F)

Dimensions:
Height: 1.73 inches (44 mm)
Width: 19.0 inches (483 mm)
Depth: 9.24 inches (235 mm)

Net Weight: 7.0 lbs (3.4 kg)

Enclosure: Rack Mount Chassis (13/r inch rack space)

Accessories: (Included)
Power cord, pkg. of mounting screws, pkg. of rubber feet, decal and fuse for 230 Vac line operation, 1431A Installation and Operating Instructions