Spectron SPA250Z - English; Connections & Controls

12
CONNECTIONS & CONTROLS
FRONT PANEL
1 RCA INPUTS L & R (FRONT)
Low-level stereo RCA inputs for connection with the line-outs of the head-
unit
2 RCA INPUTS L & R (REAR)
Low-level stereo RCA inputs for connection with the line-outs of the head-
unit (only for SPA450Z)
3 RCA OUTPUTS L & R
Low-level stereo RCA outputs for connection with the line-inputs of another
amplifi er (only for SPA2100Z)
4 INPUT GAIN CONTROL (FRONT)
Input gain control potentiometer, to match the output voltage of the head-
unit’s RCA line-outs to the amplifi er input section
5 OPERATION MODE SWITCH
Slide switch to select the operation mode of the internal electronic cross-
over driving the FRONT channel section of the amplifi er
6 CROSSOVER FREQUENCY CONTROL SWITCH
Slide switch to adjust the crossover frequency of the FRONT channel
section of the amplifi er
7 INPUT GAIN CONTROL (REAR)
Input gain control potentiometer, to match the output voltage of the head-
unit’s RCA line-outs to the amplifi er input section (only SPA450Z)
8 CROSSOVER FREQUENCY CONTROL SWITCH
Slide switch to adjust the crossover frequency of the REAR channel
section of the amplifi er (only SPA450Z)
9 OPERATION MODE SWITCH
Slide switch to select the operation mode of the internal electronic cross-
over driving the REAR channel section of the amplifi er (only SPA450Z)
30A
L+ L- R+ R-
POWERED BY
SPECTRON
POWER
PROTECT
FUSE
L+ L- R+ R-
POWER
BRIDGED
+12V REM GND
FRONT
REAR
FREQUENCY
FRONT
RCA INPUT
L R
L R
RCA INPUT
MAX
MIN
GAIN
GAI
N
MAX
MIN
XOVER
REAR
125Hz65Hz 85Hz
REAR
HI OFF LOW
FRONT
85Hz65Hz 125Hz
LOWOFF
HI
FREQUENCY
XOVER
XOVER
LOWOFFHI
125Hz85Hz65Hz
FREQUENCY
GAI
N
L R
MIN
RCA INPUT
MAX
R R
FREQUENCY
XOVER
LOWOFFHI
125Hz
65Hz 85Hz
MI
N
MAX
INPUT
OUTPUT
L
GAIN
L
POWERED BY
SPECTRON
20A
POWER
PROTECT
FUSE
BRIDGE
D
POWER
L+ L- R+ R-
+12V REM GND
BRIDGED
POWERED BY
SPECTRON
20A 20A
+12V REM GND
POWER
PROTECT
FUSE
L+ L- R+ R-
SPA250Z FRONT PANEL
6 5 41
SPA250-2100Z Manual.indd 12 02.06.2004 9:48:59 Uhr