Connections & Controls - Spectron SPA250Z Bedienungsanleitung

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
FREQUENCY
Slide switch to select the operation mode of the internal electronic cross-
over driving the REAR channel section of the amplifi er (only SPA450Z)
65Hz 85Hz
6
FREQUENCY
65Hz 85Hz
SPA250Z FRONT PANEL
XOVER
125Hz
HI OFF LOW
5
XOVER
125Hz
HI OFF LOW
REAR
RCA INPUT
L R
INPUT OUTPUT
L
R
1
RCA INPUT
L R
12
FRONT
RCA INPUT
L R
L
GAIN
R
MIN MAX
4
GAIN
MIN MAX