The Compact 60
powerful amplier system. Especially developed for
the enhancement of acoustic instruments it is as well
suitable for other (also electrical) instruments.
Our conceptional design was focussed on the singer-/songwriter who requires outstanding reproduction of instrument and vocals as well as a handy
unit with gigbag for easy travelling even with public
means of transport, astonishing audiences as well as
sound-engineers through excellent sound and professional instrumentation.
All AER-systems are subtly dynamically controlled,
which ensures absolute reliability in full load operation despite strikingly small sizes and little weight.
Read on and have fun using your Compact 60
3 is a professional, compact and
3.
3!
3
Page 4
2. Safety instructions
The following guidelines shall help minimize the risk
of injury through re or electric shock.
1. Carefully read these safety notes before you use
the device!
2. Keep these safety notes in a safe place.
3. Pay attention to all warnings, instructions and ad-
ditional texts on the unit.
4. Do not install or use your device in close proximity
to water or if you are wet yourself.
5. Use your device in a safe place where nobody can
step on cables or trip over and damage them.
6. Always pull the mains plug before cleaning your
device. Use only a dry cloth for cleaning. Avoid the
use of detergents and do not let any liquids seep
into the unit.
7. Never install your device close to units with strong
electromagnetic elds such as large mains transfor-
mers, revolving machines, neon illumination etc. Do
not lay signal cables parallel to power current cables.
8. There are no user-serviceable components inside
the unit. To avoid the risk of an electric shock, the
unit must not be opened. All maintenance, adjustment and repair works should be carried out by
qualied sta only. Any unauthorized tampering will
void the 2-year warranty.
9. In keeping with the EMV regulations screened
cables with correctly tted connectors must be used
for all signal connections.
10. Always use an earthed power supply with the
correct mains voltage. If you are in doubt about the
power outlets ground, have it checked by a qualied
technician.
11. Cable up your device only when it is powered o
.
4
Page 5
3. Controls and connections
1
IF_Compact603_20120529
33
2
5
44
7
66
88
9
10
111213 14 15
Compact 603
3.1 Front side
1) input (ch. 1) signal input, socket for 6,3 mm mono jackplug
2) high/low input sensitivity switch, attenuator = o = on
3) clip overload indicator
4) gain input level control
5) colour tone colour lter activation switch = not active = active
6) bass bass frequency level control
7) middle middle frequency level control
channels 1 + 2
8) treble treble frequency level control
9) input (ch. 2) signal input, combo-socket for 6,3 mm mono jackplug and
XLR-connectors
10) line/micsignal source selector switch: line (only via jackplug) for instruments (pickup) and other line level sources,
mic (only via XLR-connector) for microphones
11) pan eect signal distribution control
12) select eect select switch
13) level level control internal eect
efx
14) power on/o status indicator
15) master master level control
mains & master
5
Page 6
Compact 603
twin channel acoustic amplifier
ATT EN T IO N
RISQUE DE CHOC ELECTRIQUE
line out
headphones
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
NE PAS OUVRIR
12345
send
tuner
footswitch
return
tip = int. efx
ring = ext. efx
on/off
power on
7
6
DI-out
1 = gnd
2 = pos
3 = neg
8
Made in Germany by
IB_Compact603_20120529
3.2 Rear side
1) line out
The line out supplies a pre-amp signal taken after
tone-control, eects and master for forwarding to
other appliances.
2) headphones
This output enables you to connect stereo headphones and mutes the loudspeaker.
Warning: Only use
!!!
headphones with stereo
jackplugs in this output
socket!!!
3) send
Send is an output to connect to an external eect
device and in conjunction with return (input) forms
a loop here designed as external eect loop. The effect can be switched on or o via footswitch.
4) return
Return as part of the eect loop operates as signal
input from an external eect device (from output
B
of the eect device). The eect can be switched on
or o via footswitch. Return on its own can also be
used as quasi auxiliary signal input (-10 dbV).
5) tuner
The tuner output supplies a pre-master signal (-9
dbV) to connect an external tuner to the Compact 60
3.
6) footswitch
Connection socket for a double-footswitch (on-/
o-switch, tip = internal eect/ring = external eect
on/o).
7) DI-out
Preamp-output with symmetrical signal, after tonecontrol, pre master, without eects.
8) power on
Combined mains switch
with mains socket and fuse
holder.
6
Page 7
4. Starting up
colourbassmiddletreble
4.1 Cabling and switching on
Before connecting to mains, please ensure that your
local mains voltage is
suitable for the voltage of the device (e.g.
120V in the USA, 230V
in Europe). The relevant
specs and safety sym-
bols are printed on the rear side of the unit.
Connect all cables according to your application
and switch the amplier on. The green power control LED indicates operational readiness.
4.2 Level adjustment
Note: Level adjustment
By setting the level correctly we mean the signal level in one or several devices in a signal chain is neither too high nor too low. This applies equally to all
circuits in a complete circuit design (EQs, preamps
etc.)
Consequently, care must be taken that no part of the
circuit is overloaded or that distortion is unintentionally added to the signal.
We have carefully designed the circuit to achieve this
objective whilst also providing controls for „manual“
intervention.
short icker can be accepted, to be on the safe side
you should reduce the gain slightly to achieve an
optimal and distortion-free performance.
Finally set the desired overall volume level with the
master level control.
5. Functional characteristics
5.1 Equalization
The triple-/dual-band equalizer of your Compact 603 provides you with an active and high quality
sound interaction tool that supports the natural
tone of instruments and voice whilst simultaneously oering you the possibility of a controlled accentuation.
With all controls in mid position the lters are set
to produce a very pleasing and natural sound impression that you can „colour up“ by using the co-lour lter with the eect of lowering the mids and
lifting the trebles. The tone becomes more open
and light and is especially suited for ngerpicking
techniques.
The equalization can support or soften the eect of
the colour lter and allows a dierentiated midsaccentuation.
A: with colour-lter (switch pressed)
reduce treble to soften possible sharpness
colourbassmiddletreble
channel 1
First ensure, that the master level control is zeroed
(over to far left), so that when you are setting the
sound level, the signal passes through the electronics only and does not reach the loudspeaker.
By pressing the high-/low- (attn.) resp. line-/mic-
switches you can adapt the amplier to your signal
sources (guitar pickups, microphone etc).
Turn the gain control clockwise until the red clip
indicator ashes momentarily when playing with a
strong attack. Thus you make sure that your signal
source (e.g. instrument) provides the input-stage of
the amplier with the necessary input.
The clip-LED indicates an overload. A short icker
is of no danger to AER devices. During operation a
channel 2
B: without colour-lter (switch not pressed)
boost treble to brighten the sound
Note:
The active equalization of the Compact 603 eects
the signal adjustment. If you spot an intensied ickering of the clip indicator, level the signal level
with the gain control (s. 4.2 Level adjustment).
7
Page 8
5.2 Eects
The Compact 603 has a built-in (internal) digital effect processor, with the select-switch you can choose
between 4 dierent eects:
The efx-level-control determines the intensity of
the internal eects (left stop = no eect).
Furthermore an additional eects unit (external
eect) may be connected to the Compact 60
this purpose use the send and return sockets on
the rear side of the amplier (send goes to input, return to the output of the external eects device).
The intensity of the eect is adjusted at the external
eects unit.
With the efx-pan control the dierent eects are
blended with the original signal. The efx-pan works
as follows:
left stop: internal eect on channel 1
external eect on channel 2
mid position: internal eects on channels 1 + 2
external eects on channels 1 + 2
right stop: internal eects on channel 2
external eects on channel 1
3. For
5.3 Footswitch
A standard double-footswitch (on-/o-switch)
can be plugged into the footswitch-socket on the
rear side of the amplier via stereo cable. By this
footswitch the internal and external eects can be
switched on and o.
5.4 Phantom power
Microphones requiring 48V phantom power can be
connected to the XLR-socket of channel 2 directly.
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 channel 1 by an internal
jumper.
Please note: For both alterations the device must
be opened, therefore only qualied service personnel may carry out the modications concerning the de-/activating of phantom power.
General Note: Use of 48V or 24V phantom power
(Phantom power = remote supply, here: powering
an audio device via the connected audio line)
Turn on the phantom power only if the unit connected to an XLR socket is designed to handle it!
In general, suitable units are e.g. condenser microphones, active DI-boxes and other special audio
devices, whose power supply is drawn from the
phantom power. Such devices are also labelled accordingly; please heed the permissible power consumption (max.10mA).
High-quality dynamic microphones with a balanced
signal need no phantom power, but can handle it
anyway.
Other devices, which have not been designed explicitly for phantom power operation, can suer from
considerable malfunctions and damage may result
as well.
Examples of devices that may be damaged by incorrect application of phantom power include:
Low-cost dynamic microphones with a mono jackplug (unbalanced signal) that were tted afterwards
with an XLR connector.
Audio devices with a balanced XLR output (e.g. DIboxes, eects devices, instrument preamps with
a DI output etc.) which are not protected against
phantom power applied to their XLR output. (The
DI connectors on AER products are protected
against applied phantom power.)
Other audio devices (such as preamps, eects pedals etc.) whose unbalanced line output was replaced by an XLR socket.
If in doubt please consult the manufacturer of the
device you are using.
8
Page 9
6. Technical specifications
TD20120605
Technical data
g
Inputs (notes 1, 2, 4)
channel 1 High impedance, unbalanced input for
channel 2
clip indicators
for ch. 1 and 2
return Input from external parallel effect loop, or
instruments (pick-ups) and line-level sources
Mono jack socket, ¼” (6.35 mm)
Sensitivity: 22 mV (–33 dBV)
High/low (attenuator) switch: –10 dB
Impedance: 2.2 Meg
Equivalent input noise, A-weighted:
1 uV (–120 dBV)
Phantom power (optional): 9 V DC / max. 100 mA,
short-circuit protected
Switchable instrument or microphone input
Combo socket, XLR + jack ¼” (6.35 mm)
line mode
High impedance, unbalanced input for
instruments (pick-ups) and line-level sources
Jack socket only
Sensitivity: 27 mV (–31 dBV)
Impedance: 1 Meg
Equivalent input noise, A-weighted:
2.4 uV (–112 dBV)
ic mode
m
XLR (balanced), stereo jack (balanced), or mono
jack (unbalanced) input
Sensitivity: 3.3 mV (–50 dBV)
Impedance (balanced mode): 1.2 k
Impedance (unbalanced mode): 2.7 k
Voice filter: –10 dB at 270 Hz (referred to 10 kHz)
Equivalent input noise, A-weighted:
supplementary input, before master volume
Mono jack, ¼” (6.35 mm)
Sensitivity: 320 mV (–10 dBV)
Impedance: 20 k (note: impedance changes to 5 k
while external effect is switched OFF by
footswitch)
Outputs (note 3)
phones Headphones output. When plugged in, internal
tuner Tuner output
line out Preamplifier output after tone controls, with
DI-out Balanced XLR output before master, after tone
send Output to external parallel effect loop
Footswitch connector
footswitch Stereo jack socket ¼” (6.35 mm) for a dual
speaker is muted.
Stereo jack socket, L/R connected, ¼” (6.35 mm)
Max. output power: 2 x 100 mW / 1000 ohm
Input sensitivity for 2 x 50 mW / 1000 ohm:
23 mV (–33 dBV) at channel 1 input
Impedance: 470 ohm (common for L and R)
100, 120, 230, or 240 V AC, 50–60 Hz
Power consumption: max. 120 W
T 1 A L / 250 V for 230 and 240 V models
T 2 A L / 250 V for 100 and 120 V models
General
Cabinet 12 mm (0.47”) birch plywood
Finish Waterbased acrylic, black spatter finish (standard
Dimensions 260 mm (10.2“) high
Weight 6.5 kg (14.3 lbs)
Notes:
. Sensitivity
1
Input sensitivities refer to 50 W into 4 ohm, full gain and master settings,
neutral tone control settings, and 1 kHz sine-wave test signal.
2
. Noise and dynamic range
Equivalent input noise voltages are typical values obtained by measuring
noise voltage at speaker output and dividing by the voltage gain of the
amplifier for white noise. Full gain and master settings, neutral tone
control settings, input shorted, measuring bandwidth 20 Hz – 20 kHz.
Dynamic range of power amplifier: Ratio of between output signal at
limiter threshold to A-weighted output noise with m
position.
. Output levels
3
Output levels refer to 50 mV / 1 kHz sine-wave test signal at channel 1
input, full gain and master settings, neutral tone control settings, send
fully clockwise.
4
. Options
Gain of channel 2 in mic mode can be decreased by 4.6 dB by an internal
jumper.
48 V phantom power can be deactivated by an internal jumper.
9 V phantom power for channel 1 can be applied by an internal jumper
to the “ring” terminal of the input jack. C
care. Read the operating instructions.
Specifications and appearance subject to change without notice.
model)
325 mm (12.8“) wide
235 mm (9.25“) deep
aster in zero
aution: Use this option with
www.aer-amps.com
Compact 603 - 2012_05_GB
9
Page 10
7. Circuit diagram
TUNER
DI
1
2
3
SEND
F/S
T R
EFF. RETURN
SELECT
FX
EFFECT PAN
TREBLEBASS
LINE OUT
RETURN
MASTER
BASSTREBLE
PHONES
B090216C_20110401
T R
DUAL CONE SPEAKER
470R
POWER AMP
SUBSONICLIMITER
CLIP
Clip detect
www.aer-amps.com
Compact 603 - 2012_05_GB
10
CLIP
Clip detect
OFF/ON
COLOURMIDDLE
GAIN
+9V
9V Phantom Power
PAD
TR
CH 1
GAIN
MIC
LINE
MIC GAIN H/L
PREAMP
VOICE
PREAMP
MIC
LINE
2
TR
3
1
CH 2
+48V
48V Phantom Power
6k8
6k8
Page 11
notes
11
Page 12
www.aer-amps.com
Compact 603 - 2012_05_GB
12
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