Technical Specifications - AER Alpha Bedienungsanleitung

6. Technical specifications

input 1
Switchable input with line mode and
microphone mode
Combo socket, XLR + jack ¼" (6.35 mm)
line mode (jack input only)
Line / instrument input, high impedance,
unbalanced
Nom. input voltage:
Min. input voltage:
Max. input voltage:
Input impedance:
Signal/noise ratio (A-weighted):
Equivalent input noise,
A-weighted:
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:
Min. input voltage:
with option:
Max. input voltage:
with option:
Input impedance (balanced):
Input impedance (unbalanced):
Voice filter: –10 dB at 260 Hz referred to 10 kHz
Signal/noise ratio (A-weighted):
Equivalent input noise,
A-weighted:
Phantom power:
input 2 Line / instrument input, high impedance,
unbalanced
Mono jack, ¼" (6.35 mm)
Nom. input voltage:
High / low switch (attenuator):
Min. input voltage:
Max. input voltage (THD = 1%)
Input impedance:
Signal/noise ratio (A-weighted):
Equivalent input noise,
A-weighted:
Phantom power: Optional (see notes),
9 V DC / max. 100 mA, on ring of input
jack, short circuit protected
clip indicator Headroom:
return Return (input) from external parallel
effect loop, or supplementary input
Mono jack,
Nom. input voltage:
Max. input voltage
Input impedance:
16
100 mV (–20 dBV)
16 mV (–36 dBV)
7 V (+17 dBV)
2 MW || 300 pF
92 dB
2.4 μV (–112 dBV)
10 mV
2 mV (–54 dBV)
3.5 mV (–49 dBV) (see notes)
1 V (0 dBV)
1.6 V (+4 dBV)
1.2 kW
2.7 kW
79 dB
1.1 μV (–119 dBV)
48 V, XLR only,
R = 6.8 kW per terminal,
max. 10 mA total,
short-circuit protected
100 mV (–20 dBV)
–10 dB
high: 14 mV (–37 dBV)
low: 43 mV (–27 dBV)
high: 3.5 V (+11 dBV)
low: 5 V (+14 dBV)
2.2 MW || 300 pF
92 dB
2.4 μV (–112 dBV)
-6 dB
¼" (6.35 mm)
145 mV (–17 dBV)
5 V (+14 dBV)
20 kΩ
line out
Preamplifier output after master,
tone controls, and effects
Mono jack,
Nom. output voltage:
Output impedance:
Min. load impedance:
Residual noise (A-weighted):
headphones Headphones output. When plugged in,
the internal speaker is switched off.
Stereo jack,
Nominal, no-load, output voltage: 12.7 V (+22 dBV)
Output impedance (per channel):
Load impedance:
Nom. output power (THD < 1%): 2 x 1.4 mW / 8 W
Residual noise (A-weighted):
Note: For headphones with stereo (TRS)
jack only. Not functional with mono jacks.
send Send (output) for effect loop, before
master, after tone controls
Mono jack, ¼" (6.35 mm)
Output voltage:
Output impedance:
Min. load impedance:
tuner Tuner output
Mono jack, ¼" (6.35 mm)
Nom. output voltage:
Output impedance:
Min. load impedance:
DI-out Balanced, non-isolated XLR output, after
tone controls, without effects
1 = ground,
2 = positive (+),
3 = negative (–)
Nom. output voltage (differential):
60 mV (–24 dBV)
Output impedance per terminal referred
to ground:
Min. load impedance (differential):
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
colour –3 dB at 700 Hz, +10 dB at 8 kHz,
(input 2) switchable
bass ±8 dB at 100 Hz, shelf type
middle ±6 dB at 800 Hz
treble ±8 dB at 10 kHz, shelf type
¼" (6.35 mm)
470 mV (–7 dBV)
100 Ω
2 kΩ
5 μV (–106 dBV)
¼" (6.35 mm)
940 W
8...2000 W
2 x 35 mW / 2000 W
2.4 μV / 8 W (–112 dBV)
190 μV / 2000 W (–74 dBV)
145 mV (–17 dBV)
47 Ω
2 kΩ
145 mV (–17 dBV)
47 W
2 kΩ
47 W
1 kΩ