Block Diagram; Technical Specifications; Front Panel; Back Panel - Koch Classic-SE Operating Instructions Manual

Front panel

Instrument Line
Inputs
1 2

BLOCK DIAGRAM

Instr ument
Tube
Stage
Volume

TECHNICAL SPECIFICATIONS

INPUT IMPEDANCE
SIGNAL LEVELS
TUBES
OUTPUT POWER
MAINS
Boost
0 10 -5
Gain
Volume Tone
3 4 5

Back panel

4
100 115 230
25 Watts, 5 0/60Hz
1
Line
Mi d Bass
Shift Cut
Tone
Instrument
Line
Line input
Preamp
Power amp
Power amp
100-230VAC, 50-60Hz
Mid Cut
+5 Shift Bass 0 10
Master
6 7 8
Internal Dum my L oad act iva ted
O ff
Speaker
Outputs
On
8 16
CON NECT SPEAKE RS B EFORE USE !!!
Fuse:
VAC
100/120V - T1.0A
220/240V - T500mA
2 3
Tube
Stage
M aster
G ain
Boost
1M ohms
1M ohms
0 dBV
1x 12AX7
6 Watt version:1x EL84 or 6V6
12 Watt version:1x 5881 / EL34 / 6L6
6 or 12W(rms) in 4, 8 or 16 ohms
25 Watts
Standby
Recording/PA
Full
With Speaker Simulation
Power
Signal is derived from speaker out put
Stby
Low
Power
Output
9 10
O n
Po w er
O ff
Am p
8 O hms
25W
Filter
Power
On
Off
11
Speak ers
4 Ohms
8 Ohms
16 Ohms
Rec ording/PA