AER Compact 60/4 - Technical Specifications Overview; Input and Output Specifications; Power, Noise, and Signal Processing

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6. Technical specications
Inputs
channel 1 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: 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 (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 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
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 lter (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 eect 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
line out
Preamplier output post master, tone controls,
and eects
Mono jack socket: ¼” (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
Stereo jack socket: ¼” (6.35 mm)
Output power (THD < 1 %):
8 Ω 2 x 2 mW
32 Ω 2 x 7 mW
2000 Ω 2 x 50 mW
Output impedance (per channel): 1000 Ω
Residual noise (A-weighted), referred to rated
output power: –94 dB
When plugged in, the internal speaker is
switched o.
send Output pre master, post tone controls, for
external parallel eect loop (send / return)
Mono jack socket: ¼” (6.35 mm)
Nom. output voltage
(pan centered): 300 mV (–10 dBV)
Output impedance: 47 Ω
Min. load impedance: 2 kΩ
tuner Tuner output, post tone controls,
pre eects and master
Mono jack socket: ¼” (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, post tone
controls, switchable pre or post eects
1 = ground,
2 = positive (+),
3 = negative (–)
Nom. output voltage (dierential):
41 mV (–28 dBV)
Output impedance (per terminal): 47 Ω
Min. load impedance (dierential): 1 kΩ