26
26
bm
HIGHPASS .FrEQ . .
(1CH/2 .CH)
.
Crossover filter frequency
control for channels 1+2 allowing the setting of the respective highpass
cut-in frequency between 40 and 240 Hz.
bn
InPUT .GAIn .
(1CH/2 .CH)
.
Separate input gain/sensitivity
controls for channels 1+2 respectively allowing the matching of the
amplifier input section to the head-unit (pre-out) output voltage.
bo
InPUT .L+r .
(3CH/ .4CH)
.
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.
bp
InPUT .L+r .
(1CH/2 .CH)
.
Low-level RCA signal input for
connection to head-unit (Front) pre-out for a speaker pair that will be
either driven in Lowpass, Fullrange or Highpass amplifier mode.
bq
InPUT .GAIn .
(3CH/ .4CH)
.
Separate input gain/sensitivity
controls for channels 1+2 respectively allowing the matching of the
amplifier input section to the head-unit (pre-out) output voltage.
br
HIGHPASS .FrEQ . .
(3CH/ .4CH)
.
Crossover filter frequency
control for channels 3+4 allowing the setting of the respective highpass
cut-in frequency between 40 and 240 Hz
bs
AMPLIFICATIOn .MODE .SWITCH .
(3CH/ .4CH)
Depending on the selected switch setting the amplifier for channels 3+4
operates in Fullrange, Highpass or Lowpass mode.
bt
LOWPASS .FrEQ . .
(3CH/ .4CH)
.
Crossover filter frequency
control for channels 3+4 allowing the setting of the respective lowpass
cutoff frequency between 40 and 240Hz .
1
GrOUnD/GnD .
Power connection terminal to chassis ground or
negative terminal of car battery (-12 V).
2
rEMOTE/rEM .
Remote switching contact for the automatic
(remote) turn-on / turn-off of the power amplifier from the head-unit's
remote (or antenna control) lead.
3
+12 .V .
+ 12 V Power connection terminal to positive terminal of car
battery.
4
FUSE
Fuse for protection of the amplifier-internal electronics
against over-load or faulty operation / wrong manipulation.
5
A
L
.und .
.r .
A
(1CH/2 .CH)
.
Speaker output terminals for
channels 1+2; i.e. one stereo speaker pair in fullrange or highpass mode
(e.g. subwoofer).
6
A
L
.und .
.r .
A
(3CH/ .4CH)
.
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 .in .bridged .mode .is .4 .Ohms!
7
POWEr .LED .
Amplifier status-LED – located on the side of the
amplifier – signalling normal operation – when lit green.
8
PrOTECT .LED .
Lit red when amplifier is in protect mode due to
shorted speakers, overtemperature etc.
9
LOWPASS .FrEQ . .
(1CH/2 .CH)
.
Crossover filter frequency
control for channels 1+2 allowing the setting of the respective lowpass
cutoff frequency between 40 and 240Hz.
bl
AMPLIFICATIOn .MODE .SWITCH .
(1CH/2 .CH)
.
Depending
on the selected switch setting the amplifier for channels 1+2 operates in
Fullrange, Highpass or Lowpass mode.
B3 . .
COnnECTIOnS .AnD .COnTrOLS .AXTOn .A495
A1350-495 Manual D+E+F.indd 26
07.09.2007 12:23:50 Uhr