AER Alpha Plus Technical specifications
Technische Daten: Alpha plus
Technical data
Inputs
input 1
input 2 Unbalanced high-impedance input for
return Return input for effect loop
clip LED Headroom: min. 8 dB
Outputs
headphones Headphones output. When plugged in, the
line out Preamplifier output after master volume
tuner Tuner output
DI-out Balanced XLR output before master, after
send Send output for effect loop, before master,
Footswitch connector
footswitch Connector for a dual footswitch
Switchable line or microphone input
Combo socket, XLR + jack ¼” (6.35 mm)
line mode (jack only)
Unbalanced high-impedance input for
instrument pick-ups and line-level sources
Min. input voltage: 16 mV (–36 dBV)
Max. input voltage: 7 V (+17 dBV)
Input impedance: 2 M || 300 pF
Equivalent input noise, A-weighted:
2.1 μV (–114 dBV)
m
ic mode (jack or XLR)
XLR (balanced), stereo jack (balanced), or
mono jack (unbalanced) microphone input
Min. input voltage: 2 mV (–54 dBV)
Max. input voltage: 1 V (0 dBV)
Input impedance (balanced): 1.2 k
Input impedance (unbalanced): 2.7 k
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 k
per terminal, total current max. 10 mA,
short circuit protected.
instrument pick-ups and line-level sources
Mono jack, ¼” (6.35 mm)
Min. input voltage: 14 mV (–37 dBV)
Max. input voltage: 5 V (+14 dBV)
H
igh / low switch: attenuator –10 dB
Input impedance: 2.2 M || 300 pF
Equivalent input noise, A-weighted:
1.2 μV (–118 dBV)
Optional phantom power (see notes): 9 V DC
at “ring” terminal, max. 100 mA, short
circuit protected
Mono jack, ¼” (6.35 mm)
Min. input voltage: 150 mV (–17 dBV)
Max. input voltage 5 V (+14 dBV)
Input impedance: 20 k (5 k if effect is
switched off by footswitch.)
internal speaker is switched off.
Stereo jack, ¼” (6.35 mm), L / R connected
Max. output power: 2 x 65 mW / 1000
Input sensitivity for 2 x 50 mW / 1000 :
19 mV (–35 dBV) at input 1, line mode
Output impedance: 470 (shared by L and R)
N
ote: Suitable for headphones with stereo
jack. Does not work with mono jacks.
Mono jack, ¼” (6.35 mm)
Output voltage: 1.4 V (+3 dBV)
Mono jack, ¼” (6.35 mm)
Output voltage: 450 mV (–7 dBV)
tone controls, without effects
Output voltage (differential):
190 mV (–15 dBV)
after tone controls
Mono jack, ¼” (6.35 mm)
Output voltage: 450 mV (–7 dBV)
Stereo jack, ¼” (6.35 mm)
tip = internal effect on/off
ring = external effect on/off
sleeve = common (ground)
Effect is OFF when the footswitch is ON.
Tone controls
colour
(
input 2)
bass
middle
treble
Effects
Internal
e
ffect
External
e
ffect
Power
Power amp
Limiter
Analog
s
ignal
p
rocessing
Speaker
s
ystem
Mains
p
ower
Mains fuse Size: 5 x 20 mm
General
Cabinet 12 mm (0.47”) birch plywood
Finish Waterbased acrylic, black spatter finish
Dimensions 265 mm (10.4“) high
Weight 7.2 kg (15.9 lbs)
Definitions and conditions
I
nput and output voltages are RMS values for a sine signal and
T
one controls in neutral position unless stated otherwise.
M
M
O
E
quivalent input noise voltage: Noise voltage at speaker
D
ynamic range of power amplifier: Ratio of output voltage at
X
LR connectors pin assignment:
O
M
9
V phantom power for input 2 can be activated by an internal
4
8 V phantom power for the XLR input can be deactivated by
W
Specifications and appearance subject to change without
–3 dB at 700 Hz, +10 dB at 8 kHz, switchable
8 dB at 100 Hz, shelf type
6 dB at 800 Hz
8 dB at 10 kHz, shelf type
Built-in digital reverb
Parallel effect loop (effect blended with dry
sound), see send and return.
40 W / 4 at 1% THD, DMOS, monolithic I.C.
Dynamic range, A-weighted: 92 dB
Threshold 35 W / 4
Subsonic filter, adaptive peak limiter
8” (200 mm) twin cone full-range speaker,
bass reflex enclosure
Mains voltage (depending on model):
100, 120, 230, or 240 V~, 50–60 Hz.
Power consumption: max. 100 W
For 230 and 240 V models: T 1 A L
For 100 and 120 V models: T 2 A L
330 mm (13“) wide
235 mm (9.25“) deep
1 kHz unless stated otherwise.
in. input voltage: Required input voltage for 35 W / 4
output, gain and master fully clockwise.
ax. input voltage: Allowable input voltage that does not
cause more than 1% total harmonic distortion, assuming
suitable control settings.
utput voltages refer to 50 mV (–26 dBV) at input 1, line mode,
gain and master max.
divided by voltage gain of amplifier for white noise, for the
input under test. Gain and master fully clockwise, input
shorted, 20 Hz – 20 kHz, gain of unused inputs in zero
position.
limiter threshold to A-weighted noise voltage with master in
zero position.
1 = ground, 2 = positive (+), 3 = negative (–)
ptions
icrophone input can be attenuated by 5 dB by an internal
jumper, increasing the max. input voltage to 1.6 V (+4 dBV).
jumper. When activated, operation without phantom power
is still possible by using a mono jack connector.
an internal jumper. (The jack input does not have 48 V.)
arning: External equipment may be damaged by
inappropriate use of phantom power.
notice.
TD20111208
www.aer-amps.com
Alpha plus - 2011_12_D
Loading...