Filter
Top Products
11
+
-
+
-
+
-
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
1
2
3
1
2
3
1
2
3
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
CH. 1 L IN
CH. 1 R IN
CH. 2 L IN
CH. 2 R IN
CH. 1 L OUT
CH. 1 R OUT
CH. 2 L OUT
CH. 2 R OUT
IMAGE
ENH.
1
2
3
GROUP 3
INPUT
+
+
1 – GR 3
2 – GR 2
3 – GR 1+2
1
Speaker
Crossover
1 – Flat
2 – Low Pass
3 – High Pass
Preamp
Crossover
1 – Flat
2 – Low Pass
3 – High Pass
GR 3
Input Mode
∑
∑
+
+
GR 1
GR 2
GR 3
L
L
L
R
R
Buffer
Buffer
Buffer
Buffer
GR 1
GR 2
L
L
R
R
R
LP
HP
GR 1 L
PREOUT
X-OVER
GR 1 MODE SWITCH
GR 2 MODE SWITCH
1
2
3
1
2
3
LP
HP
GR 1 R
PREOUT
X-OVER
1
3
2
1
2
3
LP
HP
GR 2 L
PREOUT
X-OVER
1
3
2
1
2
3
LP
HP
GR 2 R
PREOUT
X-OVER
1
3
2
1
2
3
LP
HP
GR 3 L
PREOUT
X-OVER
1
3
2
1
2
3
LP
HP
GR 3 R
PREOUT
GR 3 Left Speaker Out
GR 3 Right Speaker Out
X-OVER
1
3
2
1
3
2
1
3
2
1
3
2
BASS BOOST
AMP
AMP
GR 2 Left Speaker Out
GR 2 Right Speaker Out
BASS BOOST
AMP
AMP
1
3
2
1
3
2
GR 1 Left Speaker Out
GR 1 Right Speaker Out
BASS BOOST
AMP
AMP
❶
❶
❶
❶
❷
❷
❷
❷
GTH400 Block Diagram
∑
∑
∑
∑
Mode
1 – L
2 – Stereo
3 – L+R
❸
GROUP 2
INPUT
1 – GR 1
2 – GR 2
❸
❸
❸
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Speaker-level
inputs
Preamp-level inputs
+
-
Buffer
+
+
+
+
GTH400-20107 06/03/98 15:49 Side 11