Connections & Controls; Front Panel Connection & Controls - EMPHASER EA450-250 Einbau- Und Bedienungsanleitung

2.1 FRONT PANEL CONNECTIONS & CONTROLS
EA450-250 5-CHANNEL AMPLIFIER
1a/1b RCA INPUTS 1/2-CH
Low-level stereo RCA signal input for connection with head-unit.
2a/2b RCA INPUTS 3/4-CH
Low-level stereo RCA signal input for connection with head-unit.
3 STEREO RCA INPUT 5-CH
Low-level stereo RCA signal input for connection with head-unit.
4 INPUT GAIN CONTROL 1/2-CH
Input level control for 1/2-CH amplifier section - allowing to match the output voltage of the
head-unit's RCA line-outs to the amplifier input section.
5 HIGH PASS FREQUENCY CONTROL 1/2-CH
Control for the frequency adjustment of the 18dB/oct. high-pass filtering of the speakers
connected to 1/2-CH output terminals.
6 OPERATION MODE SWITCH 1/2-CH
Switch to select the operation mode of the active crossover driving 1/2-CH section of the
amplifier.
7 INPUT GAIN CONTROL 3/4-CH
Input level control for 3/4-CH amplifier section - allowing to match the output voltage of the
head-unit's RCA line-outs to the amplifier input section.
8 HIGH PASS FREQUENCY CONTROL 3/4-CH
Control for the frequency adjustment of the 18dB/oct. high-pass filtering of the speakers
connected to 3/4-CH output terminals.
9 OPERATION MODE SWITCH 3/4-CH
Switch to select the operation mode of the active crossover driving 3/4-CH section of the
amplifier.
10 LOW PASS FREQUENCY CONTROL 3/4-CH
Control for the frequency adjustment of the 18dB/oct. low-pass filtering of the speakers
connected to 3/4-CH output terminals.
11 INPUT GAIN CONTROL 5-CH
Input level control for 5-CH amplifier section - allowing to match the output voltage of the
head-unit's RCA line-outs to the amplifier input section.
12 SUBSONIC FREQUENCY CONTROL 5-CH
Control for the subsonic 18dB/oct. high-pass frequency adjustment of the speakers
connected to 5-CH output terminals.
13 OPERATION MODE SWITCH 5-CH
Switch to select the operation mode of the active filter driving 5-CH section of the
amplifier.
14 LOW PASS FREQUENCY CONTROL 5-CH
Control for the frequency adjustment of the 18dB/oct. low-pass filtering of the speakers
connected to 5-CH output terminals.
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