Classic-se, Block diagram technical specifications, Front panel back panel – Koch Classic-SE 12W Benutzerhandbuch
Seite 9: Speaker outputs
Tube
Stage
Tube
Stage
Tone
Mid
Shift
Bass
Cut
Volume
Master
Gain
Boost
Instrument
External
Preamp
Filter
Recording/PA
8 Ohms
25W
4 Ohms
8 Ohms
On
Off
16 Ohms
Power
Amp
Speakers
BLOCK DIAGRAM
TECHNICAL SPECIFICATIONS
INPUT IMPEDANCE
Instrument
Line
100-230VAC, 50-60Hz
Line input
Preamp
Power amp
Power amp
1M ohms
1M ohms
25 Watts
6 or 12W(rms) in 4, 8 or 16 ohms
0 dBV
1x 12AX7
6 Watt version:1x EL84 or 6V6
12 Watt version:1x 5881 / EL34 / 6L6
MAINS
OUTPUT POWER
SIGNAL LEVELS
TUBES
Fuse:
100/120V - T1.0A
220/240V - T500mA
16
8
4
VAC
25 Watts, 50/60Hz
115 230
100
~
W
W
W
Serial #
Electronic design: Dolf Koch
Output transformer: V
anderveen design
Speaker Outputs
CONNECT SPEAKERS BEFORE USE !!
Internal
Dummy Load
activated
Off
On
1
5
6 7
9
10
11
2
3
4
8
1
2
3
Front panel
Back panel
Inputs
Output
Tone
Volume
Power
Standby
Classic-SE
0
10
-5
+5
0
10
External
Preamp
Instrument
Shift Bass
Boost
Gain
Mid
Cut
Full
Power
On
Low
Power
Stby
Off
Master
Recording/PA
With Speaker Emulation
Signal comes from speaker output