Pro-Ject Audio Systems MaiA Manuale utente
INSTRUCTIONS FOR USE
Pro-Ject MaiA
© Project Audio Systems · Pro-Ject MaiA · Revision 2014.7.8
2
Dear music lover,
thank you for purchasing a Pro-Ject Audio Systems´ integrated amplifier.
In order to achieve maximum performance and reliability you should study these instructions for use carefully.
Warning of a hazard for the user, the unit or possible misuse.
Important notice.
Safety instructions
AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the
voltage in your area meets the voltage requirements printed on the power supply.
The power supply is used to connect/disconnect the unit from the mains. Make sure that the power
supply is easily accessible at all times. Never handle the device, the power supply while your hands are
wet or damp. Avoid letting liquids enter the device or the power supply. Never place any item
containing liquid, such as a flower vase on or near the device. Never spill any liquid on the device or
the power supply. Never place any naked flame sources, such as lighted candles on or near the device.
The product shall not be used in damp or wet locations, next to a bathtub, sink, swimming pool or any
other similar conditions.
Connectors
Make all connections except the connection to the headphone whilst the amplifier is disconnected
from the power supply.
Take care to connect the left and right channels correctly. The right channel is usually marked red, the
left channel black or white.
Never use any other power supply than the one supplied with the unit.
Line output
A power amplifier or active loudspeakers can be connected to the output socket marked Output.
Phono input
Connect the tonearm signal lead to the In 1 Phono of the amplifier. The earthing wire may be connected to
the screw terminal if you encounter hum problems when using the turntable.
Line inputs
Line level sources such as CD player, radio or TV can be connected to the input sockets marked In 2, In 3 or
In 4.
Digital inputs
Sources with a digital output such as TV satellite/cable receiver or a game console can be connected to the
digital inputs. Coaxial to In 5 and optical to In 6 and In 7.
!
!
!
© Project Audio Systems · Pro-Ject MaiA · Revision 2014.7.8
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Connecting to a Computer
Connect the USB-input In 8 USB of the MaiA (unit must be switched on) to a free USB-socket on your
computer and turn it on/make sure it is powered on. Select input 8USB.
* For Windows®operating systems an USB driver (supplied on CD) has to be installed. Mac OS®operating
systems do not need an additional driver.
Please note: Connection should be made to an USB-socket of your computer directly. Connecting to
USB-hubs or switches can cause problems.
24Bit/192kHz playback with Windows®operating systems
* For Windows®operating systems a 24Bit/192kHz USB driver (supplied on CD) has to be installed. Insert
the included CD into the drive of you PC and follow the instructions.
After installing the driver, some settings have to be checked/done.
For example - Windows 7®operating system:
Control Panel Hardware and Sound Sound Playback:
select Speaker/ MaiA USB 2.0 Audio Out
Properties Supported formats: make sure nothing is assigned
Level Sound: setting must be 100
Enhancements: disable all enhancements Advanced Default Format: set to studio quality 24/192
Mains power connection
Connect the low voltage plug from the power supply to the Power socket before connecting the power supply
to the mains.
Connection to the speakers
The output terminals accept loudspeaker cables terminated with 4mm Banana plugs, spades connectors
or naked wire.
© Project Audio Systems · Pro-Ject MaiA · Revision 2014.7.8
4
Remote control
turns the unit on or back into standby
and adjust the sound volume
and select the inputs
Front panel controls
To switch on from standby or to standby
The push button on the left side of the front panel turns the unit on or back into standby (press and hold to
switch into standby mode). The blue LED above the stand-by push button shows that the unit is switched on.
Input selector
After the unit is powered on, pressing the buttons ◄ and ►next to the LEDs inputs indicators selects
desired input.
Volume
Adjust the volume to the desired level, using the large knob on the front panel.
Connecting a headphone
Connect the headphones to the ¼“ (6,3mm ) jack socket on the front of the unit.
Bluetooth connection
Make sure the antenna is attached to its connector In 9 BT on the back panel prior using bluetooth.
Bluetooth is active only once input 9 is selected.
Pairing with Android devices
Open Settings and tap on Bluetooth. Turn on Bluetooth and tap on Scan. Searched devices will show up.
Tap on "MaiA" (Enter "0000" if requested) and confirm by pressing power button on MaiA once the blue LED
of the input 9 is fast blinking. Once paired it will show "Connected to media Audio", now you can play music
from your Android device over Bluetooth to MaiA.
CH+
CH-
VOL+
VOL-
ON/OFF
1
ON/OFF
0
VOL
0+
VOL
0
CH
0+
CH
© Project Audio Systems · Pro-Ject MaiA · Revision 2014.7.8
5
Pairing with Apple devices
Tap on Settings, tap on Bluetooth, turn on Bluetooth, your device will automatically start searching for
available devices. Tap on "MaiA" and confirm by pressing power button on MaiA once the blue LED of the
input 9 is fast blinking.
MaiA can store up to 8 Bluetooth devices. If the memory is full then it is not possible to pair another
device. For erasing the memory turn off the unit > disconnect power supply > press and hold power
button > connect power supply > hold power button for 5 seconds > release power button. The blue
LED above the power button will blink for few seconds. Once the LED stops blinking, memory is
erased and you can turn on the unit.
Replacing batteries
Proceed as follows:
Unlock and slide open the battery case cover
Replace the battery.
Make sure the battery is the right way round !
Close the battery case cover
Battery type: 1 x CR2032 / 3V or 1 x CR2025 / 3V
Do not dispose the batteries as ordinary domestic refuse. Please dispose your exhausted batteries at
the appropriate collection sites - usually located at supermarkets and drugstores.
Technical specifications Pro-Ject MaiA
Power output : 2x 25W/37W at 8 ohms/4 ohms (both channels driven)
Frequency response : 20Hz - 20kHz (-0,3dB, -2,5dB)
Channel separation : > 65dB at 20kHz
Noise floor : > -90dB (A weighted)
THD : < 0,07% at 15W
Gain : 31dB (measured via line level input)
Line level inputs : 2 pair RCA + 1 jack 3.5mm
Line input sensitivity : 350mV
Line input impedance : 50kohms
Phono input : 1 pair RCA
Phono input sensitivity : suitable for MM, MI or high output MC cartridges
Phono input impedance : 47kohms
Phono input gain : 40dB
S/PDIF coaxial input : up to 24bit and 192kHz
S/PDIF optical input : up to 24bit and 96kHz
USB input : USB Audio Class 2 requires USB 2.0 or higher on computer
USB data transfer : Asynchronous
Digital to Analogue converter : Cirrus Logic CS4344 24bit/192kHz Multi-bit Delta Sigma type
Variable line level output : jack 3.5mm
Bluetooth music receiver codec : aptX, A2DP profile
Bluetooth range : 10 meters in direct visibility between source and receiver
Speakers connectors: 4mm banana plugs, spades connectors or naked wire
Outboard power supply : 20V/3A DC, suitable for your country's mains supply
Power consumption : max. 3A DC, <0.5W in standby
Replacement battery remote control : 1 x CR2032 / 3V or 1 x CR2025 / 3V
Dimensions W x H x D (D with sockets) : 206 x 36 x 150 (165)mm
Weight : 1250 g without power supply
!
© Project Audio Systems · Pro-Ject MaiA · Revision 2014.7.8
6
Service
Should you encounter a problem which you are not able to alleviate or identify, please contact your dealer for
further advice. Only if the problem cannot be resolved there, the unit should be sent to the responsible
distributor in your country.
Warranty
The manufacturer accepts no responsibility for damage caused by not adhering to these instructions
for use. Modification or changes to any part of the product by unauthorized persons release the
manufacturer from any liability over and above the lawful rights of the customer.
Copyright, trademarks
Pro-Ject Audio Systems is a registered Trademark of H.
Lichtenegger.
This guide was produced by: Pro-Ject Audio Systems
Copyright ©2014. All rights reserved.
The information was correct at the time of going to
press. The manufacturer reserves the right to make
changes to the technical specification without prior
notice as deemed necessary to uphold the ongoing
process of technical development.
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