Connections & Controls; Front Panel Connection & Controls - EMPHASER EA1600D Installation And Operating Manual

2. CONNECTIONS & CONTROLS
2.1 FRONT PANEL CONNECTIONS & CONTROLS
1a/1b RCA INPUTS 1/2-CH
Low-level stereo RCA signal input for connection with line-out of the head-unit (sub-out)
2 RCA CONNECTION PORT FOR MASTER / SLAVE OPERATION
RCA input/output to branch two EA1600D amplifiers in master/slave operation mode
3 PROTECTION LED
Red "protection" LED, signaling faulty speaker connections or general malfunction
of the amplifier
4 REMOTE LOW PASS LEVEL PORT
Telephone jack input socket for connection with the dash-mounted low-pass level remote unit
5 MASTER/SLAVE OPERATION MODE SWITCH
Switch to select the operation mode of amplifier. The default setting is MASTER
6 PHASE SHIFT CONTROL
Phase control potentiometer for the relative phase adjustment of the subwoofer(s) connected
to the amplifier output terminals
7 LOW PASS CROSSOVER FREQUENCY CONTROL
Crossover control potentiometer for the frequency adjustment of the 18dB/oct. low-pass
filter
8 SUBSONIC CROSSOVER FREQUENCY CONTROL
Crossover control potentiometer for the frequency adjustment of the 18dB/oct. subsonic
high-pass filter
9 INPUT GAIN CONTROL
Input level gain control potentiometer, allowing to match the output voltage of the head-
unit's RCA line-outs to the amplifier input section
10 POWER LED
Green "operation" LED, signaling correct operation of the amplifier
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