25
REMOTE / REM
Remote switching contact for the automatic (remote) turnon / turn-off
of the power amplifier from the head-unit's remote (or antenna control)
lead.
GROUND / GND
Power connection terminal to chassis ground or negative terminal of car
battery (-12 V).
+12 V
+ 12 V Power connection terminal to positive terminal of car battery.
Fuse
Fuse for protection of the amplifier-internal electronics against over-
load or faulty operation / wrong manipulation.
L und R (CH3 + CH4)
Speaker output terminals for channels 3+4; i.e. one stereo speaker pair
in fullrange mode or one single speaker connected in lowpass mode
connected in bridged mode (eg. subwoofer).
Minimum impedance by bridged mode is 4 Ohms!
L und R (CH1 + CH2)
Speaker output terminals for channels 1+2; i.e. one stereo speaker pair
in fullrange or highpass mode (e.g. subwoofer).
POWER LED
Amplifier status-LED - located on the side of the amplifier - signalling
normal operation - when lit green.
PROTECT LED
Lit red when amplifier is in protect mode due to shorted speakers, over-
temperature etc.
+ INPUT L+R (CH1 / CH2)
Low-level RCA signal input for connection to head-unit (Front) print-
out for a speaker pair that will be either driven in Fullrange or
Highpass amplifier mode.
+ INPUT L+R (CH3 / CH4)
Low-level RCA signal input for connection to head-unit (Rear) pre-out
for a speaker pair or a subwoofer that will be either driven in
Fullrange or Lowpass amplifier mode.
+ INPUT GAIN CH1 / CH2 + CH3/ CH4
Separate input gain/sensitivity controls for channels 1+ 2 and 3~4
respectively allowing the matching of the amplifier input section to
the head-unit (pre-out) output voltage.
Amplification Mode Switch FULLRANGE / HIGHPASS
Depending on the selected switch setting the amplifier for channels
1+2 operates in Fullrange or Highpass mode.
Amplification Mode Switch FULLRANGE / LOWPASS
Depending on the selected switch setting the amplifier for channels
3+4 operates in Fullrange or llighpass mode.
HIGHPASS FREQ. CH1/ CH2 + CH3/ CH4
Crossover filterfrequeney controlfor channels 1+2 allowing the setting
of the respective highpass cut-in frequency between 40 and 240 Hz
Note: This control is not active when the amplification mode switch is
in the "Fullrange" position!
LOWPASS FREQ. CH1/CH2 + CH3/ CH4
Crossover filter frequency control for channels 3+4 allowing the set-
ting of the respective lowpass cutoff frequency between 50 and 200Hz
Note: This control is not active when the amplification mode
snitch is in the "Fullrange" position!
B2
CONNECTIONS AND CONTROLS AXTON C502
4a
4b
5a
1a 2a
1b 2b
3a 3b
11
12
10a
10b
9
8
7
6
5b
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