1
2
3
INPUT
HIGH
0
10
GAIN 1
LOW
230V~/ 50Hz
17
3
4 5
6
7
OVERDRIVE CHANNEL
0
10
0
10
0
10
0
10
0
GAIN
SELECT
GAIN 2
BASS
MIDDLE
TREBLE
LEVEL
T2AL
18
8
9
10
11
NORMAL CHANNEL
BOOST
CLEAN
10
0
10
0
10
0
10
0
10
CHANNEL
MODE
SELECT
LEVEL
SELECT
BASS
MIDDLE
TREBLE
EXTERNAL
EFFECT LOOP
SPEAKER
min. 8Ω
min. 4Ω
RETURN
SEND
LOOP
LEVEL
19
20
21
22
23
12
13
14 15
GAT-1250 R
MASTER
PHONES
0
10
0
10
MIN. 8 Ω
REVERB
VOLUME
STANDBY
PROFESSIONAL TUBE GUITAR AMPLIFIER
FOOT SWITCH
REVERB
CHANNEL
BOOST
GAIN
24
25
16
POWER