Connections & Controls; Front + Rear Panel Sp-A1500D - Spectron SP-A1500D Owner's Manual

CONNECTIONS & CONTROLS

FRONT + REAR PANEL SP-A1500D

1 PROTECT LED
Red "protect" LED – when lit signalling faulty speaker connections or general
malfunction of the amplifier
2 POWER LED
Green "operation" LED is lit when the amp is turned ON, signalling correct operation.
3 REMOTE INPUT PORT
Terminal to connect the amplifier with the bass level remote control
4 BASS BOOST CONTROL
Control potentiometer for the adjustment of the bass boost level @45 Hz from
0 to 12dB
5 SUBSONIC HIGHPASS FREQUENCY CONTROL
Control potentiometer for the subsonic highpass crossover frequency – to cut off
infrasonic signal content from 15 to 55 Hz
6 LOWPASS FREQUENCY CONTROL
Control potentiometer for the lowpass crossover frequency – from 40 to 150 Hz
7 INPUT GAIN CONTROL
Input gain control potentiometer to match the output voltage of the headunit' s
RCA line-outs to the amplifier input
8 RCA LINE INPUTS
Low-level stereo RCA inputs for connection with the line-out signal of the head-unit
9 RCA LINE OUTPUTS
Low-level stereo RCA outputs for connection with another amplifier, which is daisy
chained to the RCA input signal
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