Connections & Controls; Front Panel Connections & Controls - EMPHASER EA13000SPL Installation & Operating Manual

2. CONNECTIONS & CONTROLS
2.1 FRONT PANEL CONNECTIONS & CONTROLS
01 POWER LED
Green "operation" LED, signaling correct operation of the amplifier
02 INPUT GAIN CONTROL
Input level gain control potentiometer, allowing to match the output voltage of the headunit's
RCA line-outs to the amplifier input section
03 RCA INPUTS 1/2-CH
Low-level stereo RCA signal input for connection with line-out of the head-unit (sub-out)
04 SUBSONIC CROSSOVER FREQUENCY CONTROL
Crossover control potentiometer for the frequency adjustment of the 24dB/oct. subsonic
high-pass filter
05 LOW PASS CROSSOVER FREQUENCY CONTROL
Crossover control potentiometer for the frequency adjustment of the 24dB/oct. low-pass
filter
06 PHASE SHIFT CONTROL
Phase control potentiometer for the relative phase adjustment of the subwoofer(s) connected
to the amplifier output terminals
07 RCA FOR MASTER/SLAVE OPERATION
RCA output to connect another
operation
8 SWITCH FOR MASTER/SLAVE OPERATION
Slide switch to define each amp being either master or slave
9 REMOTE LOW PASS LEVEL PORT
Telephone jack input socket for connection with the dash-mounted low-pass level remote
unit
10 PROTECTION LED
Red "protection" LED, signaling faulty speaker connections or general malfunction of the
amplifier

class-D amplifier, for master/slave
EA13000SPL