16
6. Technical specifications
channel 1
Line / instrument input, high impedance,
unbalanced Mono jack socket, 1⁄4“ (6.35 mm)
Nom. input voltage: 100 mV (–20 dBV)
High/low (attenuator) switch: –10 dB Min.
input voltage: high: 22 mV (–33 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: Optional (see notes),
9 V DC / max. 100 mA, on ring of input jack,
short circuit protected
clip indicator
Headroom: min. 6 dB
channel 2
Switchable input with line mode and
microphone mode Combo socket,
XLR + jack 1⁄4” (6.35 mm)
line / instrument mode (jack input only)
Line / instrument 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 (jack or XLR)
Microphone input, XLR (balanced), stereo jack
(balanced), or 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: –10 dB at 270 Hz referred to 10 kHz
Signal / noise ratio (A-weighted): 80 dB
Equivalent input noise voltage (A- weighted):
1 μV (–120 dBV)
Phantom power: 48 V, XLR only, R = 6.8 kΩ
per terminal, max. 10 mA total, short- circuit
protected (see notes)
clip indicator
Headroom: 6 dB
return
Return input from external parallel effect loop,
or supplementary input
Mono jack, 1⁄4” (6.35 mm)
Nom. input voltage: 320 mV (–10 dBV)
Max. input voltage: 5 V (+14 dBV)
Input impedance: 20 kΩ
line out
Preamplifier output after master, tone master
controls, and effects
Mono jack, 1⁄4” (6.35 mm)
Nom. output voltage: 700 mV (–3 dBV)
Output impedance: 100 Ω
Min. load impedance: 2 kΩ
Residual noise (A-weighted):
4.5 μV (–107 dBV)
headphones
Headphones output. When plugged in, the
internal speaker is switched off.
Stereo jack socket, 1⁄4” (6.35 mm)
Nominal, no-load, output voltage
15.5 V (+24 dBV)
Output impedance (per channel): 940 Ω
Load impedance: 8...2000 Ω
Nom. output power (THD < 1%):
2 x 2 mW / 8 Ω
2 x 50 mW / 2000 Ω Residual noise
(A-weighted): 2.7 μV (–111 dBV) / 8 Ω
220 μV (–73 dBV) / 2000 Ω
Note: For headphones with stereo (TRS) jack
only. Not functional with mono jacks.
send
Output for external parallel effect loop,
before master, after tone controls Mono jack,
1⁄4” (6.35 mm)
Nom. output voltage (efx pan centered):
300 mV (–10 dBV)
Output impedance: 47 Ω
Min. load impedance: 2 kΩ
tuner
Tuner output, after tone controls, before
effects and master
Mono jack, 1⁄4” (6.35 mm)
Nom. output voltage: 100 mV (–20 dBV)
Output impedance: 47 Ω
Min. load impedance: 2 kΩ
DI-out
Balanced, non-isolated XLR output, after tone
controls, without effects
1 = ground
2 = positive (+)
3 = negative (–)
Nom. output voltage (differential):
41 mV (–28 dBV)
Output impedance per terminal referred to
ground: 47 Ω
Min. load impedance (differential): 1 kΩ
footswitch
Connector for a dual footswitch
Stereo jack, ¼” (6.35 mm)
tip = internal effect on/off
ring = external effect on/off
sleeve = common (ground)
Function: Switch ON = effect OFF
Tone controls
channel 1
colour –3dB at 700Hz
bass +10dB at 8kHz
middle ±8 dB at 100 Hz, shelf type
treble ±6dB at 800Hz
channel 2
colour ±8 dB at 10 kHz, shelf type
bass ±8 dB at 100 Hz, shelf type
treble ±11dB at 10 kHz, shelf type
