AER Alpha Amplifier System (40W)

AER Alpha Amplifier System (40W)
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AER ALPHA Overview

The Alpha Amplifier System from AER is a 40W amplifier with an 8" twin-cone speaker system. It has one channel and two independent input stages (line and microphone/line). The triple-band equalizer of your Alpha provides you with an active sound interaction tool that supports the natural tone of instruments and voice whilst simultaneously offering you the possibility of a controlled accentuation.

The Alpha has a built-in (internal) reverb effect. The EFX level control determines the intensity of the internal effects. A standard double footswitch (on/off switch) can be plugged into the footswitch socket on the rear side of the amplifier via a stereo cable. The footswitch allows you to switch the internal and external effects on and off.

Microphones requiring 48V phantom power can be directly connected to the XLR socket of input 1. Factory-provided phantom power is activated but if required, may be deactivated by an internal jumper. In contrary 9V phantom power, if required, can additionally be activated in input 2 by an internal jumper.

UPC: 846614000568


Input 1Switchable line or microphone input
Combo socket, XLR + 1/4" phone jack

Line Mode (Jack Only):
Unbalanced high-impedance input for instrument pickups and line-level sources
Minimum Input Voltage: 16 mV (-36 dBV)
Maximum Input Voltage: 7 V (+17 dBV)
Input Impedance: 2 MOhms, 300 pF
Equivalent Input Noise, A-Weighted:
2.1 µV (-114 dBV)

Microphone Mode (Jack or XLR)
XLR (balanced), stereo jack (balanced), or mono jack (unbalanced) microphone input
Minimum Input Voltage: 2 mV (-54 dBV)
Maximum Input Voltage: 1 V (0 dBV)
Input Impedance (Balanced): 1.2 kOhms
Input impedance (Unbalanced): 2.7 kOhms
Voice Filter: -10 dB at 260 Hz (ref. to 10 kHz)
Equivalent Input Noise, A-Weighted: 0.7 μV (-123 dBV)
Phantom Power: 48 V (XLR only), R = 6.8 kOhms per terminal, total current max. 10 mA, short circuit protected.
Input 2Unbalanced high-impedance input for instrument pick-ups and line-level sources
1/4" mono phone jack
Minimum Input Voltage: 14 mV (-37 dBV)
Maximum Input Voltage: 5 V (+14 dBV)
High / Low Switch: Attenuator -10 dB
Input Impedance: 2.2 MOhms, 300 pF
Equivalent Input Noise, A-Weighted: 1.2 μV (-118 dBV)
ReturnReturn input for effect loop
1/4" mono phone jack
Minimum Input Voltage: 150 mV (-17 dBV)
Maximum Input Voltage 5 V (+14 dBV)
Input Impedance: 20 kOhms (5 kOhms if effect is switched off by footswitch)
Clip LED ThresholdHeadroom: Minimum 8 dB
HeadphonesHeadphones output. Suitable for headphones with stereo jack. Does not work with mono jacks. When plugged in, the internal speaker is switched off
1/4" stereo phone jack, L/R connected
Maximum Output Power: 2 x 65 mW/1000 Ohms
Input Sensitivity for 2 x 50 mW/1000 Ohms: 19 mV (-35 dBV) at input 1, line mode
Line OutPreamplifier output after master volume
1/4" mono phone jack
Output Voltage: 1.4 V (+3 dBV)
TunerTuner output
1/4" mono phone jack
Output Voltage: 450 mV (-7 dBV)
Balanced XLR output before master, after tone controls, without effects
Output Voltage (Differential): 190 mV (-15 dBV)
SendSend output for effect loop, before master, after tone controls
1/4" mono phone jack
Output Voltage: 450 mV (-7 dBV)
Foot Controller
FootswitchConnector for a dual footswitch
1/4" stereo phone jack
Tip = internal effect on/off
Ring = external effect on/off
Sleeve = common (ground)
Effect is OFF when the footswitch is ON
Tone ControlsColor (input 2): -3 dB at 700 Hz, +10 dB at 8 kHz, switchable
Bass: ±8 dB at 100 Hz, shelf type
Middle: ±6 dB at 800 Hz
Treble: ±8 dB at 10 kHz, shelf type
InternalBuilt-in digital reverb
ExternalParallel effect loop (effect blended with dry sound)
Power Amp40 W/4 Ohms at 1% THD, DMOS, monolithic I.C.
Dynamic Range, A-Weighted: 92 dB
Limiter Threshold Range35 W/4 Ohms
Analog SignalSubsonic filter, adaptive peak limiter processing
Speaker System8" (200 mm) twin cone full-range speaker, bass reflex enclosure
Mains PowerMains Voltage (depending on model): 100, 120, 230, or 240 VDC, 50-60 Hz
Power Consumption: Max. 100 W
FuseSize: 5 x 20 mm
For 230 and 240 V Models: T 1 A L
For 100 and 120 V Models: T 2 A L
Cabinet12 mm birch plywood
FinishWater-based acrylic, black spatter finish
Dimensions10.24 x 10.43 x 9.25" (260 x 265 x 235 mm)
Weight13.7 lb (6.2 kg)
Packaging Info
Package Weight18.315 lb
Box Dimensions (LxWxH)14.45 x 14.35 x 12.7"
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