Block Diagram; Technical Specifications; Input Impedance - Koch STUDIOTONE Operating Instructions Manual

Volume
Input
Tube
Stage
Drive

BLOCK DIAGRAM

TECHNICAL SPECIFICATIONS

INPUT IMPEDANCE

OUTPUT IMPEDANCES
SIGNAL LEVELS
TUBES
OUTPUT POWER
MAINS
Clean
OD+
Tube Tube
Stage Stage
Effects Loop
To FX From FX
Reverb
Can
Reverb
Input
From FX
To FX
Effects Loop
Preamp
Power amp
Power amp
100-230VAC, 50-60Hz
OD
Tube
Stage
Power
+
Amp
1M ohms
100K ohms
1K ohms
-10 dBV
1x 12AX7LM (low microphonics)
1x 12AX7
1x 12AX7
2x EL84
20W(rms) in 4, 8 or 16 ohms
50 Watts
Volume
Bass Mid Treble Voicing
Speakers
4 Ohms
8 Ohms
On
Off 16 Ohms
8 Ohms
25W
Line out
Filter
To Clean input
Filter
Recording
Filter
Headphones
Clean
OD