Pro-Ject Audio Systems Pro-Ject MaiA DS User manual

INSTRUCTIONS FOR USE

Pro-Ject MaiA DS

Dear music lover,

Thank you for purchasing an integrated amplifier from Pro-Ject Audio Systems.

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

1. Make all connections except the connection to the headphone and USB whilst the unit is

disconnected from the mains.

2. Never connect or disconnect the power supply to or from the unit whilst the power supply is

connected to the mains. Never use any other power supply than the supplied one, with the exception of

dedicated Power Boxes which can replace original power supplies.

3. Take care to connect the left and right channels of RCA inputs correctly. The right channel is usually

marked red, the left channel black or white.

4. Speaker connections for the left speaker are located on the right hand side of rear view above,

connections to right speaker are located on the left side. Speaker connectors marked red represent +

according indicators on speaker terminal.

Trigger connections

Use Trigger Input to connect MaiA DS to Power Box MaiA DS. MaiA DS will turn on/off once Power Box

MaiA DS is turned on/off.

Trigger Output allows to turn on/off any other Pro-Ject product which is equipped with trigger input.

Line output

A power amplifier or active loudspeakers can be connected to the output sockets marked Var Output.

Record output, connecting a headphone amplifier

Fix Output connects an analogue record device or a Pro-Ject Head Box headphone amplifier.

Connection to the speakers

The output terminals accept loudspeaker cables terminated with 4mm Banana plugs, spades connectors

or naked wire.

Phono input

Connect the tonearm signal lead to the Phono input of the amplifier. The MM/MC switch on the back panel

allows to adapt to connected cartridge type. 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 In2, In3 or

In4.

Digital inputs

Sources with a digital output such as TV satellite/cable receiver or a game console can be connected to the

digital inputs. Optical to In5and In6and coaxial to In7.

Subwoofer output

An active subwoofer may be connected to the output sockets marked Sub Output.

Connecting to a Computer

Connect the USB-input In8 USB of the MaiA DS (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 8.

* For Windows®operating systems an USB Class 2 driver (supplied on CD) has to be installed. For MaiA DS

with Windows® version 1.61.2 or higher is needed.

Mac OS®operating systems do not need an additional driver or setup.

Linux operating systems include an USB Audio Class 2 driver from Linux Kernel 2.6.35 and higher.

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/192kHzUSB driver (supplied on CD) has to be installed. Insert the

included CD into the drive of your 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

DSD playback

Playback of DSD files (.dff, .dsf) is possible over USB. Player capable of playing DSD files is required in your

computer. Setup guide is available on our website http://www.box-designs.com

On the front panel are LED´s which indicate sample rate of DSD playback.

Mains power connection

Connect the low voltage plug from the power supply to the 24V DC Power socket before connecting the

power supply to the mains.

Remote control

turns the unit on or back into standby

and adjust the sound volume

- and select the inputs

Blank button confirms Bluetooth pairing

Activate/deactivate mute

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. The blue LED above

the stand-by push button shows that the unit is switched on. Mute is active when LED is blinking.

Input selector

After the unit is powered on, pressing the buttons◄ and ►next to the LEDs inputs indicators select 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.

ON/OFF

VOL

Bluetooth connection

Make sure the antenna is attached to its connector In9 BT on the back panel prior using Bluetooth. If the Pair

LED is on, active audio connection with Bluetooth device is established.

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 DS and confirm presented pairing code on your Android device. Then press Pair button on

MaiA DS (alternatively Blank button on remote control) when the blue Pair LED starts blinking. When paired

with MaiA DS, your Android device will show "Connected to media Audio". Now you can play music from

your Android device over Bluetooth to MaiA DS.

Older devices may request a pairing code. Enter "0000" and confirm. No more confirmation on

MaiA DS is then needed.

Bluetooth 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 DS and confirm by pressing Pair button on MaiA DS (alternatively Blank

button on remote control) when the blue Pair LED of is blinking.

Bluetooth pairing with Windows smartphones

Open Settings and tap on Bluetooth. Turn on Bluetooth and a scan for available devices starts automatically.

Searched devices will show up. Tap on MaiA DS and confirm presented pairing code on your Windows

device. Then press Pair button on MaiA DS (alternatively Blank button on remote control) when the blue Pair

LED is blinking. When paired with MaiA DS, your Windows device will show "Connected to media Audio".

Now you can play music from your Windows device over Bluetooth to MaiA DS.

Bluetooth pairing with Windows PC

For example - Windows 7®operating system:

Control Panel Devices and PrintersAdd device

Select MaiA DS (make sure no other Bluetooth device is connected) Confirm by pressing Pair button on

MaiA DS (alternatively Blank button on remote control) when the blue Pair LED is blinking

PC screen will display this question: “Confirm if code is identical”

Select “Yes” and continue

Select MaiA DS from list of devices with double-click

Select “Listen to music” and make sure that “Bluetooth Audio” is selected as standard device

A new connection is only possible if the Pair LED is off (it indicates that no device is connected). If a

problem with Bluetooth connection occurs, it is necessary to reset memory and to delete all paired

devices. For reset turn off the unit > disconnect power supply > press & hold power button >

connect power supply > still hold power button for another 5 seconds > release power button. The

blue LED above the power button will blink for few seconds. When the LED stops blinking, memory is

erased and you can turn on the unit.

Bluetooth remote control function (Android application only)

IR emitting diodes are located on the front panel of the product. Free view has to be ensured for reliable use

of remote control function.

Bluetooth connection must be established prior using MaiA DS remote control function over Box

control app.

Only one MaiA DS can be in the list of paired devices

Bluetooth remote control function is available in Box control app version 1.5 and higher.

- Connect your Android device to MaiA DS over Bluetooth

- Run Box Control app

-After first start is automatically opened Setup wizard, in the first step (Select your Devices) select MaiA DS

remote and confirm with "Next" and in second step check all the remotes you want to use and confirm your

entry with "Next".

Once remotes are confirmed, you can use your Android device for IR control of the selected products.

Note: Learning other remote control commands via Box Control App is not possible with MaiA DS.

This feature is only available with Remote Box S.

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 DS

Power output : 2x 40W/55W 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 : 34dB (measured via line level input)

Line level inputs : 3 pair RCA

Line input sensitivity : 350mV

Line input impedance : 50kohms

Phono input : 1 pair RCA

Phono input impedance MM/MC : 47kohms/100ohms

Phono input gain MM : 44dB

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 with DSD DoP 64/128/256 support

Digital to Analogue converter : PCM1796 24bit/192kHz Multi-bit Delta Sigma type

Variable line level output : 1 pair RCA

Fixed line level output : 1 pair RCA

Subwoofer output : 1x RCA

Bluetooth version: 2.1 +EDR

Bluetooth music receiver codec : aptX, A2DP profile, SPP for an app remote control

Bluetooth range : 10 meters in direct visibility between source and receiver

Speakers connectors: 4mm banana plugs, spades connectors or naked wire

Headphone output : 6,3mm jack (16 –600ohms)

Trigger sockets: 2,5mm 2-pole

Outboard power supply : 24V/5A DC, suitable for your country's mains supply

Power consumption : max. 5A DC, <1W 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 72 x 150 (165)mm

Weight : 1550 g without power supply

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.

Pro-Ject Audio Systems is a registered Trademark of

H. Lichtenegger.

This guide was produced by: Pro-Ject Audio Systems

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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