18
6. Technische Daten/Technical specifications
Inputs
channel 1/4
Instrument / line input, high impedance,
unbalanced
Stereo jack socket*:
¼“ (6.35 mm)
Nom. input voltage:
100 mV (–20 dBV)
High/low (attenuator) switch:
–10 dB
Min. input voltage:
high:
21 mV (–34 dBV)
low:
68 mV (–23 dBV)
Max. input voltage (THD = 1%):
high:
3.5 V (+11 dBV)
low:
5 V (+14 dBV)
Input impedance:
2.2 MΩ || 350 pF
Signal / noise ratio (A-weighted):
95 dB
Equivalent input noise voltage
(A-weighted):
1.8 µV (–115 dBV)
Phantom power (switchable):
9 V DC
Load current:
max. 100 mA
Short circuit protected.
*Ring used for phantom power.
clip indicator
Headroom:
approx. 6 dB
channel 2/3
Switchable input with line and microph. mode
Combo socket:
XLR + jack ¼” (6.35 mm)
line mode (jack input only)
Instrument / line input, high impedance,
unbalanced
Nom. input voltage:
100 mV (–20 dBV)
Min. input voltage:
27 mV (–31 dBV)
Max. input voltage:
7 V (+17 dBV)
Input impedance:
2.2 MΩ || 350 pF
Signal / noise ratio (A-weighted):
92 dB
Equivalent input noise voltage
(A-weighted):
2.7 µV (– 111 dBV)
mic mode (channel 2)
Microphone input, XLR (balanced), stereo jack
(balanced), mono jack (unbalanced)
1 / sleeve = ground,
2 / tip = positive (+),
3 / ring = negative (–)
Nom. input voltage:
10 mV (–40 dBV)
Min. input voltage:
3.3 mV (–50 dBV)
with option:
5.8 mV (–45 dBV)
(see notes)
Max. input voltage:
1 V (0 dBV)
with option:
1.6 V (+4 dBV)
Input impedance (balanced):
1.2 kΩ
Input impedance (unbalanced):
2.7 kΩ
Voice filter (referred to 10 kHz):
–10 dB at 270 Hz
Signal / noise ratio (A-weighted):
80 dB
Equivalent input noise voltage
(A-weighted):
1 µV (–120 dBV)
Phantom power (XLR only):
48 V
Supply resistors:
6.8 kΩ
Load current:
max. 10 mA
clip indicator
Headroom:
approx. 6 dB
return
Input for external parallel effect loop (send /
return), or supplementary input
Mono jack socket:
¼” (6.35 mm)
Nom. input voltage:
320 mV (–10 dBV)
Max. input voltage:
5 V (+14 dBV)
Input impedance:
20 kΩ
aux in
Auxiliary input, e.g. for CD
Stereo jack socket:
3.5 mm
Nom. input voltage:
500 mV (–6 dBV)
Min. input voltage,
stereo:
100 mV (–20 dBV)
mono:
200 mV (–14 dBV)
Max. input voltage:
4 V (+12 dBV)
Input impedance:
22 kΩ
Output
L-out, R-out
Stereo line output after tone controls,
adjustable by pre master, with switchable
stereo simulation, aux in, and effects
2 mono jack sockets,
1.4“ (6.35 mm), L / R
Output voltage:
0…1 V (0 dBV),
adjustable by
pre master
Output impedance:
max. 15 kΩ
(varies with level setting)
Min. load impedance:
2 kΩ
Residual noise (A-weighted): < 1 μV (–120 dBV)
line out
Preamplifier output post master, tone controls,
and effects
Mono jack socket:
¼” (6.35 mm)
Nom. output voltage:
460 mV (–7 dBV)
Output impedance:
100 Ω
Min. load impedance:
2 kΩ
Residual noise
(A-weighted):
4.5 µV (–107 dBV)
headphones
Headphones output
Stereo jack socket:
¼” (6.35 mm)
Output power (THD < 1 %):
8 Ω
minimal load impedance
16 Ω 2 x 160 mW
max. outpit impedance
When plugged in, the internal speaker is
switched off.
send
Output pre master, post tone controls, for exter-
nal parallel effect loop (send / return)
Mono jack socket:
¼” (6.35 mm)
Nom. output voltage
1 V (0 dB)
Min. load impedance:
2 kΩ
tuner
Tuner output, post tone controls,
pre effects and master
Mono jack socket:
¼” (6.35 mm)
Nom. output voltage:
330 mV (–10 dBV)
Output impedance:
47 Ω
Min. load impedance:
2 kΩ
DI-out
Balanced, non-isolated XLR output, post tone
controls, switchable pre or post effects
1 = ground,
2 = positive (+),
3 = negative (–)
Nom. output voltage
(differential):
68 mV (–23 dBV)
Output impedance (per terminal):
100 Ω
Min. load impedance (differential):
1 kΩ
