Koch Multitone User Manual page 6

INPUT IMPEDANCES
OUTPUT IMPEDANCES
SIGNAL LEVELS
TUBES - Preamp tubes
- Power tubes
OUTPUT POWER
MAINS
230VAC, 50Hz or 115VAC, 60Hz
Multitone Front and Rear Panel
Input HIGH 1 M ohms
Input LOW 136 K ohms
From FX 100 K ohms
To FX 1K ohms
Effect Loops -10 dBV
1x 12AX7WA/7025
3x 12AX7A/ECC83
50W version 2x EL34 or 4x 6V6 (see text)
100W version 4x EL34 / 6L6 / 6550 / (see text)
50W version 50 Watts in 4, 8 and 16 ohms
100W version 100 Watts in 4, 8 and 16 ohms
50W version 125 Watts
100W version 250 Watts