AAVIK U-180 User manual

INTEGRATED AMPLIFIER
USER GUIDE: U-180 / U-280 / U-580

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Clean the amplifier only with a dry, lint-free
cloth. For more thorough cleaning, unplug
the amplifier from the mains supply and go
over it lightly with a damp, lint-free cloth.
Do not use any type of chemical solvents or
other cleaning products for cleaning.
6. Do not install near any heat sources such
as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that
produce heat.
7. Protect the power cord from being walked
on or pinched particularly at plugs, conve-
nience receptacles, and the point where
they exit from the apparatus.
8. Unplug this apparatus during lightning
storms or when unused for long periods
of time.
9. Do not defeat the safety purpose of
the polarized or grounding-type plug.
10. Only place apparatus horizontally and on
a suitable table or rack. If more components are
stacked. Make sure to place the hottest unit -
usually the amplifier, at the top
11. Refer all servicing to qualified service
personnel.
12. Servicing is required when the apparatus
has been damaged in any way, such as when
the power-supply cord or plug is damaged,
liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been
exposed to rain or moisture, does not
operate normally, or has been dropped.
1. WARNING – Take care that objects do not
fall and liquids are not spilled into the
enclosure through any openings.
The equipment shall not be exposed to
dripping or splashing. Liquid-filled objects
such as vases should not be placed on the
equipment.
2. The equipment has been designed for use in
moderate climates and in domestic
situations.
3. Only connect the equipment to a power
supply of the type described in the operating
instructions or as marked on the equipment.
The primary method of isolating the
equipment from the mains supply is to
remove the mains plug. The equipment must
be installed in a manner that makes dis-
connection possible.
4. If an abnormal smell or smoke is detected
from the equipment, turn the power off
immediately and unplug the equipment from
the wall outlet. Contact your dealer and do
not reconnect the equipment.
THE EQUIPMENT SHOULD BE SERVICED BY QUALIFIED SERVICE PERSONNEL

RS-232
TRIGGER
OUT
ON / OFF
100-240V AC
AMP
INTEGRATED AMP i·180
MADE IN DENMARK PRE OUTLINE IN
1 2 3 4 5
RS-232
TRIGGER
OUT
ON / OFF
100-240V AC
INTEGRATED AMP i·280
MADE IN DENMARK PRE OUTLINE IN
1 2 3 4 5
BUTTONS ON THE FRONT OF THE AMPLIFIER
CONNECTORS ON THE BACK OF THE AMPLIFIER
CAUTION: To reduce the risk of electric shock, do not remove cover (or back). No user serviceable parts inside. Refer servicing to qualified service personnel.
3
a 2
b 3
4
6
9
10 15
11
14
12
13
8 7
6
1 5

4
1DISPLAY
During normal operation the top line of the display
shows the selected source, and the bottom line
shows the volume setting.
When a digital input is selected, the format received
is also displayed (PCM, MQA or DSD).
It is possible to change the source with the rotating
knob 5and/or the up/down buttons a/ bwhen
navigation mode is activated. When changing settings
(see “MENU FUNCTIONS” page 7), the display will
show the setting being changed.
2STANDBY
Press the standby button 2to place the amplifier
in standby mode, or to switch on the amplifier from
standby mode. When the amplifier is in standby mode,
the only light showing on the amplifier will be a dim
LED light in the lower left corner. When you switch on
the amplifier, the outputs will be muted, and a line will
illuminate at the bottom of the displays, starting in
the lower left corner.
During the start-up cycle, the circuits of the amp will
stabilize, and any power amp(s) connected to the pre
outs will have some time to stabilize. When using trig-
ger cables between the amplifier and power amp(s),
the power amp(s) will be switched on and off together
with the amplifier.
3MUTE / REMOTE CONTROL PAIRING BUTTON
The mute button has multiple functions. When you
press this button briefly, it will mute the speaker
outputs of the amplifier, and also the pre outs with
the standard configuration (see “MENU FUNCTIONS”
page 7). The display will show ”Mute” instead of the
volume setting.
If you are using an Apple remote, you can pair the am-
plifier with one specific remote. In order to pair your
remote control with the amplifier, press and hold the
front panel mute button 3for more than one second.
When the amplifier is ready to pair, the display will
flash slowly. To pair, press a button on your remote
control facing it toward the amplifier. The display will
show ”Paired”. Press the front panel mute button 3
again briefly to go back to normal operation.
You can remove the pairing, so that the amp will stop
responding to the remote again, by pressing the front
panel mute button for more than five seconds. When
the five seconds have passed, the displays will flash
fast. Press a button on the remote, to complete the
procedure. The display will show ”Unpaired”. Press the
front panel mute button 3again briefly to go back
to normal operation.
Note: Settings, including remote control pairing, are
stored when your Aavik device is switched to standby.
So remember to switch your device to standby, before
removing power.
4NAVIGATION/MENU BUTTON
The navigation button lets you select the desired
source. Pressing the navigation button 4briefly will
activate input selection. The display will flash, while
still showing the selected input. Turning the volume
control knob 5either clockwise or counter-clock-
wise, or pressing the up/down buttons a/ blets
you select the desired source. Press the navigation
button again to deactivate input selection mode.
The navigation button is also used for accessing the
menu. See ”MENU FUNCTIONS” page 7.
5VOLUME CONTROL (ROTATING KNOB)
Use the rotating knob 5to change the volume,
source or other settings.
FRONT PANEL FUNCTIONS
RS-232
TRIGGER
OUT
ON / OFF
100-240V AC
AMP
INTEGRATED AMP i·180
MADE IN DENMARK PRE OUTLINE IN
1 2 3 4 5
RS-232
TRIGGER
OUT
ON / OFF
100-240V AC
INTEGRATED AMP i·280
MADE IN DENMARK PRE OUTLINE IN
1 2 3 4 5
WARNING: To reduce the risk of fire or electric shock, do not expose the
amplifier to rain or moisture.
The lightning flash with an arrowhead symbol within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
‘dangerous voltage’ within the product’s enclosure that may be of suffi-
cient magnitude to constitute a risk of electric shock to persons.

5
6SPEAKER TERMINALS
The amplifier accepts speaker cables terminated with
spade connectors and 4 mm banana plugs.
To connect speaker wires terminated with spades,
loosen the isolation knob and insert the spade be-
tween the isolator and terminal. Tighten the isolation
knob to secure the spade.
To connect speaker wires terminated with banana
plugs, insert the banana plug into the center hole of
the terminal.
7PRE OUT
The amplifier is equipped with a set of pre out (pre-
amplifier output) connections. They can be used for
an active sub-woofer, a separate power amplifier or a
headphone amplifier.
For some uses, such as in combination with an headphone
amplifier, you may need to mute the speaker outputs, but
not the pre outs. This can be achieved by changing the “Pre
Out Mute” setting. See “MENU FUNCTIONS” for guidance.
8LINE INPUTS
The amplifier is equipped with five single-ended, RCA
line inputs.
The gain of the line inputs can be changed to equalize
the volume of different signal sources. The range is
between 5 and 15 dB for input 1-4, and between 1
and 11 dB for input 5. The default gain for all inputs is
9dB. Please see “MENU FUNCTIONS” for guidance.
9BNC DIGITAL INPUTS
The DAC comes equipped with two electrical S/P-DIF
digital inputs. They support PCM (32-192kHz, 16-24
bit), MQA and DSD64 using DoP encoding.
10 TOSLINK OPTICAL INPUT
The DAC comes equipped with two optical S/P-DIF
TOSLINK inputs. They support PCM (32-192kHz, 16-24
bit), MQA and DSD64 using DoP encoding.
11 USB INPUT
The DAC comes equipped with one fully isolated, UAC
2, asynchronous USB input. It supports 32-192kHz,
16-24 bit PCM, MQA and DSD64/DSD128 using DoP
encoding.
Note: When playing music in PCM format from a com-
puter, the DAC supports sample rates up to 192kHz.
12 POWER ON/OFF SWITCH
Toggle the switch to switch between fully off and
standby mode. When the amplifier is in standby mode,
the power consumption is less than 1W. When the
amplifier is on and idling, the power consumption is
less than 65W.
13
POWER INLET (CAUTION!)
The amplifier accepts mains voltages from 100 to
240VAC 50-60Hz.
The power inlet accepts power cables with an IEC
60320-C13 female connector.
To ensure the best performance, please consult your
Aavik Acoustics dealer for a suitable mains cable.
14 RS-232, FIRMWARE UPDATE
Only for the use by qualified service personnel.
15 TRIGGER OUTPUT
The amplifier is equipped with one DC trigger output.
This can be used to power-on power amps, sub-woof-
ers and other equipment together with the amplifier.
When the amplifier is switched on (not in standby
mode), the trigger outputs will supply 12VDC. It can
supply up to 80mA.
REAR PANEL FEATURES
+
–

A A A A A A A
AVOLUME UP, Press this button to increase the volume setting.
BVOLUME DOWN, Press this button to decrease the volume setting.
CINPUT +, Press this button, to move to the next input. From Line 1 to Line 2 etc.
DINPUT -, Press this button, to move to the previous input. From Line 2 to Line 1 etc.
ESTANDBY, Press this button to place the amplifier in standby mode, or to switch the amplifier
on from standby mode.
FMENU, Use this button to enter the menu, or switch back to normal operation. Use the INPUT +
and INPUT - buttons to cycle through the menu, and the VOLUME UP and VOLUME DOWN buttons
to change a setting. See “MENU FUNCTIONS” for details.
GMUTE
Press the button to mute the outputs of the amplifier, the display will show ”mute”.
Pressing the button again will reactivate the outputs of the amplifier.
FACTORY RESET
You can reset all settings back to factory defaults. This will erase gain settings, the balance setting
and the remote pairing settings. To do this, proceed as follows:
• Switch off the amplifier at the main power switch 12
• Wait 30 seconds
• Press and hold the three front panel buttons 234
• Switch on the main power using 12, while still holding the front panel buttons
• All LED indicators on the front panel will switch on, and stay on
• After approx. 8 seconds the LED indicators will switch off again.
• Release the front panel buttons, and switch off the amplifier using the main power switch 12
REMOTE
A
D C
E
F G
6
B
REMOTE CONTROL PAIRING
Please see ”MUTE/REMOTE CONTROL PAIRING BUTTON” on page 4.

Using the front panel or remote control, you can change many settings of the amplifier.
Using the remote, press the “Menu” button Fto enter or exit the menu.
Using the front panel, press and hold the navigation button 4for 3 seconds.
When entering the menu, the gain setting of the current input will be shown on the display. The top line of the display shows the current option (“Preamp gain” when entering
the menu), and the bottom line shows the current setting.
Using the remote, cycle through the options using the INPUT + Cand INPUT - Dbuttons.
Using the front panel, press the navigation button 4to cycle through the options.
Use the VOLUME UP Aand VOLUME DOWN Bbuttons of the remote, the up and down front panel buttons ( a/ b)or the rotary knob 5to change the settings.
Once in the menu, using the remote, you can cycle through all options in the order shown in the diagram below.
Using the front panel, the amplifier will return to normal operation once cycled through all the options.
MENU FUNCTIONS
SETTINGS DISPLAY SHOWS
Preamp gain (settings for individual inputs)
Using this function you can set the gain of the selected input. The gain number shown, is the gain between the input and pre out. The
power amp adds 26dBs of gain.
Balance
Using this function, you can change the left/right balance in 6 1dB steps.
Pre out mute
This setting can be set either on or off. With the default setting (On), the pre out connectors are muted with the speakers, when muting is
enabled. With pre out muting off, the pre out connectors will stay on, when the amp is muted. This function can be used e.g. for running a
headphone amp on the pre out connectors. With pre out muting off, you can change inputs and volume setting with muting on. When you
switch off muting again, the volume will return to the previous setting.
Display brightness
You can change the display brightness in four steps: 10, 40, 70 and 100%
7

SETTINGS DISPLAY SHOWS
Display dim
Using this setting, you can set the display to switch off automatically after 1-5 seconds. The standard setting is ”dim off”. When the
display is off, a single dim LED will be lit in the lower right corner.
Temperature
This menu option shows the current operating temperature of the power amp.
Software version
This menu option shows the current firmware version of the amplifier.
Home theatre bypass
Using the home theatre bypass function, you can setup one of the inputs to use a fixed volume setting. Choose the input you want to use,
or ”Disabled” to use all inputs as regular inputs.
Home theatre bypass level
If you have setup one of the inputs as a home theatre bypass input, you can set the fixed volume level using this menu option. 0dB (full
volume) is often used, but any level can be set.
MENU SETTINGS (continued...)
8

SPECIFICATIONS
9
Aavik U-180 Aavik U-280 Aavik U-580
Line inputs: Gain (line 1 - 4): 5-15dB; maximum input 4.5V RMS
Gain (line 5): 1-11dB; maximum input 6.5V RMS
Input impedance 10K ohm
Gain (line 1 - 4): 5-15dB; maximum input 4.5V RMS
Gain (line 5): 1-11dB; maximum input 6.5V RMS
Input impedance 10K ohm
Gain (line 1 - 4): 5-15dB; maximum input 4.5V RMS
Gain (line 5): 1-11dB; maximum input 6.5V RMS
Input impedance 10K ohm
Digital inputs: 2 x BNC S/P-DIF
2 x TOSLINK optical
1 x USB UAC 2
All inputs support PCM 24-bit 32-192kHz, MQA and DSD64.
The USB input also supports DSD128.
2 x BNC S/P-DIF
2 x TOSLINK optical
1 x USB UAC 2
All inputs support PCM 24-bit 32-192kHz, MQA and DSD64.
The USB input also supports DSD128.
2 x BNC S/P-DIF
2 x TOSLINK optical
1 x USB UAC 2
All inputs support PCM 24-bit 32-192kHz, MQA and DSD64.
The USB input also supports DSD128.
Preamp output: 1 pair of RCA outputs
Max output: 7,5Vrms
Distortion, line stage: <0,005% (THD at 1kHz, 1V input)
Output impedance: 50 ohms
1 pair of RCA outputs
Max output: 7,5Vrms
Distortion, line stage: <0,005% (THD at 1kHz, 1V input)
Output impedance: 50 ohms
1 pair of RCA outputs
Max output: 7,5Vrms
Distortion, line stage: <0,005% (THD at 1kHz, 1V input)
Output impedance: 50 ohms
Volume control: 76 1dB steps 76 1dB steps 76 1dB steps
Output: 2 x 300W 8 ohm, 2 x 600W 4 ohm
Distortion (THD+N): <0,006% (1-100W, 1kHz, 8 ohm)
IMD: <0,002% (1-100W, 4 ohm)
TIM: <0,008% (1-100W, 4 ohm)
2 x 300W 8 ohm, 2 x 600W 4 ohm
Distortion (THD+N): <0,006% (1-100W, 1kHz, 8 ohm)
IMD: <0,002% (1-100W, 4 ohm)
TIM: <0,008% (1-100W, 4 ohm)
2 x 300W 8 ohm, 2 x 600W 4 ohm
Distortion (THD+N): <0,006% (1-100W, 1kHz, 8 ohm)
IMD: <0,002% (1-100W, 4 ohm)
TIM: <0,008% (1-100W, 4 ohm)
Aavik noise
reduction:
Active Tesla Coils: 36
Active Square Tesla Coils: 88
Dither circuitry: 5
Anti Areal Resonance Coils: 4
Active Tesla Coils: 72
Active Square Tesla Coils: 160
Dither circuitry: 8
Anti Areal Resonance Coils: 4
Active Tesla Coils: 108
Active Square Tesla Coils: 232
Dither circuitry: 11
Anti Areal Resonance Coils: 4
Power
consumption:
Standby: <0.5W
Idle: <65W
Standby: <0.5W
Idle: <65W
Standby: <0.5W
Idle: <65W
Dimensions: 102 x 384 x 400mm 102 x 384 x 400mm 102 x 384 x 400mm
Weight: 8,8 kg 9,0 kg 10,7 kg

Aavik Acoustics
Rebslagervej 4
9000 Aalborg
Denmark
aavik-acoustics.com