Gain trim, Input select, 2ώ 2 ώ – SPL Performer S1200 Stereo High Power Amplifier (Black) User Manual
Page 12: I f r, Inputs
12
Inputs
Input select
With the
you can switch the input source between XLR or RCA. You
can not use both at the same time.
Gain Trim
The inputs can be lowered with the
from 0 dB to -5.5 dB in 0.5 dB
steps. This is helpful if you want to use multi speaker sets or speakers in a bi-wiring applica-
tion. It allows to level speakers with different efficiency to equal loudness.
AM
P CTL/
12V T
RIG
GER
Connect to
AMP CTL output of
SPL Preamplifier/DAC
for remote power on/off
OR
Use 12 V Trigger
AMP CTL/12V TRIGGER
Pin 1 = GND
Pin 2 = Hot (+)
Pin 3 = Cold (–)
TRIM
TRIM
+
+
–
R
R
2
ώ
2
ώ
L
L
–
INPUT SELECT
INP
UT S
ELE
CT
RCA
XLR
SPEAKER OUT
PUT LEFT
XLR WIRING
XLR WIRING
SPEAKER OUTPUT LEFT
INPUT LEFT
INP
UT L
EFT
INPUT RIGHT
INPU
T RIGH
T
SPEAKER OUTPUT RIGHT
Minimum Load
Minimum Load
SPEAKER OUT
PUT RIGHT
• •
•
•
•
•
•
•
•
•
•
•
0 -5.5
-5
-
4.5
-4
-3.5
-3
-2
.5
-
2
-1.
5
-1
-0
.5
• •
•
•
•
•
•
•
•
•
•
•
0 -5.5
-5
-4.5
-4
-3.5
-3
-2.
5
-2
-1
.5
-1
-0
.5
AM
P CTL/
12V T
RIG
GER
Connect to
AMP CTL output of
SPL Preamplifier/DAC
for remote power on/off
OR
Use 12 V Trigger
AMP CTL/12V TRIGGER
Pin 1 = GND
Pin 2 = Hot (+)
Pin 3 = Cold (–)
TRIM
TRIM
+
+
–
R
R
2
ώ
2
ώ
L
L
–
INPUT SELECT
INP
UT S
ELE
CT
RCA
XLR
SPEAKER OUT
PUT LEFT
XLR WIRING
XLR WIRING
SPEAKER OUTPUT LEFT
INPUT LEFT
INP
UT L
EFT
INPUT RIGHT
INPU
T RIGH
T
SPEAKER OUTPUT RIGHT
Minimum Load
Minimum Load
SPEAKER OUT
PUT RIGHT
• •
•
•
•
•
•
•
•
•
•
•
0 -5.5
-5
-
4.5
-4
-3.5
-3
-2
.5
-
2
-1.
5
-1
-0
.5
• •
•
•
•
•
•
•
•
•
•
•
0 -5.5
-5
-4.5
-4
-3.5
-3
-2.
5
-2
-1
.5
-1
-0
.5
I F R