Meitner audio Ma-2 User manual

MA-2 Integrated Playback System

001

Version 1.6

002

Safety Instructions

Prior to Installing you new Meitner Audio product please read the following

safety instructions:

• Read and follow all instructions.

• Keep these instructions.

• Do not use or install product near any sources of water, rain and/or

moisture.

• Clean using only a dry cloth.

• Install only in accordance with the manufacturer’s instructions.

• Refer all servicing to approved service personnel.

• Do not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including amplifiers) that produce heat.

• Do not install product outdoors or in direct sunlight.

• Leave at least 10cm or 4 inches around product to ensure proper

ventilation.

• Do not place product near strong electrical or magnetic

radiation/emmissions or near a power amplifier.

This Meitner product must be connected to a mains socket outlet with a

protective earthing connection (grounding pin).

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO

NOT EXPOSE THIS APPARATUS TO WATER OR MOISTURE.

EEC: This product has been designed and tested to comply with the limits

set out in EN55013, EN55020 and EN 60065:2009 (electrical safety).

MA-2 Integrated Playback System

003

Safety Instructions

CAUTION

This product is a Class 1 laser product, but this product contains a laser

diode higher than Class 1. To ensure continued safety do not remove any

covers or attempt to gain access to the inside of the product. Refer all

servicing to qualified personel. The following caution label appears on your

unit on the rear panel:

CAUTION

Use of controls or adjustments or performance of procedures other than

those specified herein may result in hazardous radiation exposure. The use

of optical instruments with this product will increase eye hazard.

Information To The User

Alteration or modification carried out without appropriate approval may

invalidate the user’s right to operate the equipment.

MA-2 Integrated Playback System

004

Introduction

Welcome and congratulations on purchasing a Meitner Audio product.

We at Meitner Audio have strived to build and perfect the absolute best

product using our award winning technology and decades of experience.

We are confident that our products will bring you musical joy and enjoyment

for many years to come.

This manual provides important information regarding the use, installation

and care of your new Meitner Audio product.

MA-2 Integrated Playback System

005

Table of Contents

Safety Instructions page 02

Introduction page 04

Warranty page 06

MA-2 Integrated Playback System page 07

Features & Specifications page 08

Front Panel & Functions page 10

Rear Panel & Functions page 13

Connecting and Operating the MA-2 page 15

USB Input page 16

DSD Audio page 17

Infrared Remote Control page 18

Track Jump Operation page 19

Serial Remote Control page 20

MA-2 Integrated Playback System

Warranty

Meitner Audio warrants the MA-2 product against defects in material and

workmanship under normal use and service for a period of time specified by

the product’s serial number from the date of first delivery to the owner. The

warranty time period is 1 year for the drive unit and associated drive

electronics. 5 years for all other parts.Warranty is limited to the original owner

and is non-transferable.

Meitner Audio will pay for return shipping charges back to the owner when

the product is sent to Meitner Audio within the first 90 days after purchase

(US and Canada end-users only). Otherwise, owner will be responsible for all

shipping charges to and from Meitner Audio.

For all warranty claims, a copy of the original invoice must accompany the

product.

Opening the product or modifying it in any way by the owner, including but

not limited to cryogenic treatment, will void any warranty.

Please contact Meitner Audio ([email protected]) for RMA number and

shipping instructions before shipping any product to Meitner Audio.

Meitner Audio products are sold worldwide through authorized dealers with

restricted territories. Meitner Audio product purchased from non-authorized

dealers or from a dealer selling outside his/her authorized territory will

automatically void product warranty.

006

Warranty

MA-2 Integrated Playback System

The MA-2 is a high-performance CD player and stereo digital converter with

a wide variety of user selectable digital inputs. It has been refined from our

high end and acclaimed professional converter systems which are used

worldwide in professional studios to create some of the finest recordings.

The MA-2 provides Redbook CD playback and near instantaneous digital to

analog conversion from a host of digital inputs.

The MA-2 includes digital inputs for USB, AES, TOSLINK and SPDIF.

Word lengths up to 24bit, and sample frequencies up to 192kHz are

supported on all digital inputs.

DSD streaming is also supported on the USB digital audio input.

007

MA-2 Stereo Digital Converter

MA-2 Integrated Playback System

Features & Specifications

Redbook CD Playback

2-Channel Digital to Analog Conversions (All Digital Inputs):

• 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz & 192kHz

• Word lengths up to 24bit

2-Channel DSD (1bit, 2.8Mhz) Digital to Analog Conversion is supported using DoP 1.0

specification via the USB digital audio input.

Available Digital Inputs:

• 1x USB

• 1x AES/EBU (XLR)

• 1x SPDIF (RCA)

• 1x TOSLINK (Optical)

Analog Outputs:

• Balanced (XLR)

Output Line Level (0dBfs signal on AES/EBU input): 4.6Vrms

Output Impedance: 300Ω

• Un-Balanced (RCA)

Output Line Level (0dBfs signal on AES/EBU input): 2.3Vrms

Output Impedance: 150Ω

Note:

1. XLR analog outputs are balanced with pin 2 hot, pin 3 cold and pin 1 ground.

2. For proper digital audio data transfer (especially at 176kHz and 192kHz) appropriate high

quality TOSLINK, SPDIF, AES and USB 2.0 cables must be used.

008

Features & Specifications

MA-2 Integrated Playback System

009

Features & Specifications

System:

• System control via serial RS-232

• USB data port for software upgrades

Power supply:

• Power factor corrected

• Universal 90V-260V, 50/60Hz operation

• Power consumption: 50W

• CE Approved

Remote control: Infrared

Dimensions: W x D x H: 435 x 400 x 92mm

Weight: 7.43kg

MA-2 Integrated Playback System

Front Panel & Functions

1. Standby/Power-Save button:

Toggles the operation between on and power-save mode. In power save mode the

remote control and all front panel functions become inactive.

2. Display:

Display can be dimmed or brigthened using the display brightness button.

3. MA-2 drive slot.

010

Front Panel & Functions

MA-2 Integrated Playback System

 





Front Panel & Functions

4. Front Panel Buttons and Functions:

• : EJECT/STOP - Stops CD playback. Pressing stop a second time or when

the drive is already in stop mode ejects the CD from the slot drive.

• : PLAY/PAUSE - Starts or Pauses CD playback.

• Source : Toggles between the various available digital inputs.

• : REPEAT - This buttons toggles through 3 states:

• Repeat Track – repeats current track

• Repeat All – repeats entire disc

• Repeat Off - turns repeat function off

• : PREVIOUS - Jumps back a CD track. Press and hold to enter reverse scan

mode.

• : NEXT - Jumps ahead a CD track. Press and hold to enter forward scan

mode.

All digital inputs support 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz and 192kHz.

All digital inputs support word lengths up to 24bit.

USB input also supports DSD streaming over USB using DoP 1.0 specification.

011

Front Panel & Functions

MA-2 Integrated Playback System

Front Panel & Functions

Please note:

1. The Meitner Audio MA-2 is a Class 2.0 USB Audio device. Class 2 audio devices are

supported natively in OSX 10.5.7 and higher, and on Linux with ALSA 1.0.23 and

higher.

2. For Windows XP, Vista and Windows 7, Class 2 USB Audio device drivers are included

with the MA-2. Please see page 14 for installation instructions.

3. Please use USB 2.0 compliant devices for maximum high resolution audio

compatibility. Using the MA-2 with a USB 1.0 and 1.1 device/interface may limit digital

audio bandwidth to 44.1/48kHz sample frequencies.

4. For proper high definition audio transfer (especially 176.4 and 192kHz sample

frequencies) using the TOSLINK interfaces please ensure that your digital source

device and optical cables support sample frequencies above 48kHz.

MA-2 Stereo D/A Converter Manual

012

Front Panel & Functions

Rear Panel & Functions

1. Main Power connector

2. Main Power Switch.

3. Product model and serial number indicator:

Warranty void if model/serial number indicator is not attached to unit, missing or

damaged whereby serial number cannot be seen.

013

Rear Panel & Functions

MA-2 Integrated Playback System





 





Rear Panel & Functions

4. System

Remote:

• Wired RS232: RS232 communication port

Service:

• USB: Software update port.

• RESET: Used to access the backup firmware in connection with

software upgrades via the USB port. Should not be used during

normal operation.

5. Digital Outputs (Redbook CD Playback, 44.1kHz):

• AES/EBU: AES/EBU (XLR) PCM digital output.

• COAX : SPDIF (RCA) format PCM digital output.

• TOS : SPDIF (TOSLINK) format PCM digital output.

6. Digital Inputs:

• AES/EBU: AES/EBU (XLR) PCM digital audio input.

• COAX: SPDIF (RCA) format PCM digital audio input.

• TOS: SPDIF (TOSLINK) format PCM digital audio input.

• USB Audio: USB format PCM and DSD digital audio input.

7. Analog Line Output:

• Left and Right Balanced (XLR) Connectors

• Left and Right Un-Balanced (RCA) Connectors

• Level (Output Line Level with 0dBfs signal on AES/EBU input):

XLR outputs: 4.6Vrms (+15.45dBu)

RCA outputs: 2.3Vrms (+9.45dBu)

014

Rear Panel & Functions

MA-2 Integrated Playback System

Connecting & Operating the MA-2

Please see next page with regards to installing the MA-2’s USB Audio drivers.

1. Connect the included power cable to the MA-2 power connector than to a free power

receptacle.

2. Connect the appropriate digital source connections up to the MA-2's digital inputs

using the appropriate high quality digital audio and USB cables.

3. Connect the appropriate analog outputs of the MA-2 to your pre-amp or integrated

amplifier.

4. Turn on the MA-2 using the main power switch and select the CD or a digital input by

pressing SOURCE selector button or using the remote.

5. Insert a CD into the slot drive to start playing Redbook CDs.

6. Once locked to a sample frequency the MA-2 will start its conversion process and you

will almost instantaneously be able to listen to music.

7. The MA-2 remembers the last digital input it was switched too prior to being switched

off.

015

Connecting & Operating the MA-2

MA-2 Integrated Playback System

Connecting & Operating the MA-2

USB Audio Input:

1. First, use only well-sheilded certified USB 2.0* cables to connect the MA-2’s USB

Audio input to any USB digital audio source component (computer, laptop, media

server etc.)

2. The MA-2’s USB Audio interface uses the B-type USB connector similar to connectors

used on printers. Please see image below:

3. Select the USB Audio input using front panel input selector buttons.

4. For MAC OSX systems, no driver is needed. OSX has the appropriate USB driver

already installed.

5. For Windows XP, Vista (32 or 64bit) and Windows 7 (32 or 64bit) systems install the

provided USB driver located on the software CD in folder named “Meitner MA-2 USB

Audio Driver” and run the “setup.exe” file. Read and follow the installation instructions.

6. Kernal, ASIO and WASAPI (Vista and Windows 7) drivers will be installed.

*Not using proper cables will cause audio issues between digital source and DAC.

016

Connecting & Operating the MA-2

MA-2 Integrated Playback System

Connecting & Operating the MA-2

7. For Windows Media Player playback; in Windows Control Panel set the default sound

playback to the MA-2 USB Audio device (XMOS XS1-L1 Audio).

8. In general for most audio applications you will be able to select the MA-2 USB Audio

device (XMOS XS1-L1 Audio) from within the application and choose the appropriate

driver Kernal, ASIO or WASAPI.

DSD Audio

1. The MA-2 currently supports DSD audio streaming and conversion over USB using

DoP 1.0 specification.

2. Currently there are many different media players that support DSD audio file playback.

Some of them that have been fully tested in-house eg. JRiver for Windows, and

Audivarna and Pure Music for OSX.

3. Every media player will have specific software installation instructions and setup

procedures for enabling DSD streaming. Please consult the specific software manual.

4. Some software manufacturers have also provided quickstart and software setup

guides for download and online. If available Meitner Audio will post links to this on the

MA-2 support website.

5. When setup correctly and DSD data is detected, the MA-2 will display DSD on its front

display window as digital audio format.

017

Connecting & Operating the MA-2

MA-2 Integrated Playback System

Infrared Remote Control

Included with the MA-2 is an infrared remote control. Please see remote guide provided to

the right:

: Display brightness control.

SOURCE : Toggles between CD and digital inputs.

CD : Selects CD player mode.

USB : Selects the USB input

AES : Selects the AES/EBU input via balanced XLR digital connector.

COAX1 : Selects the COAXIAL SPDIF input via COAX RCA connector.

TOS1 : Selects the TOSLINK SPDIF input via TOS optical connector.

: CD player PLAY/PAUSE control.

: CD player PREVIOUS track function.

: CD player NEXT track function.

MUTE : Mutes the analog outputs.

: CD player STOP playback function.

: CD player FORWARD SCAN function.

018

Infrared Remote Control

MA-2 Integrated Playback System

4 5 6

7 8 9

1 2 3

0./..

TRACK

ALL

CD USB AES

TOS2 COAX2

MA-1

VOL+

VOL-

VOL+

VOL-

MUTE

SOURCE

TOS1 COAX1

MA-2

REPEAT

Infrared Remote Control

: CD player REVERSE SCAN function.

REPEAT : Toggles through the different CD player REPEAT functions.

TRACK : CD player TRACK REPEAT function.

ALL : CD player REPEAT ALL function.

Track Jump Operation

The MA-2 responds to a 2 numeric button input to jump immediately to a track.

Eg.1 : To immediately jump to track 5 press “0” then press “5” within 2 seconds.

Eg.2 : To jump to track 15 press “1” then press “5” within 2 seconds.

If the MA-2 receives just one numeric input, after 2 seconds, it will jump to the associated

single numbered track.

Eg. : When you just press “5”, after 2 seconds the MA-2 will jump to track 5.

019

Infrared Remote Control

MA-2 Integrated Playback System

4 5 6

7 8 9

1 2 3

0./..

TRACK

ALL

CD USB AES

TOS2 COAX2

MA-1

VOL+

VOL-

VOL+

VOL-

MUTE

SOURCE

TOS1 COAX1

MA-2

REPEAT

Serial Remote Control (RS232)

The MA-2 is equipped with a 9-pin RS232 port for system remote control via a serial cable

(not provided by Meitner Audio). Please use a standard RS232 cable. Do not use a null

model cable, as this will not work. RS232 communication port settings:

• 19,200 baud

• 8 bits

• 1 stop bit

• no flow control

• no parity bit

Commands to the MA-2

All commands sent to the MA-2 consist of 3 ASCII characters (all lowercase) followed by a

carraige return or <CR>. Repeating a <CR> will repeat the last command sent. Received

commands are not stored in a stack. They need to be sent in intervals of at least 50ms to

allow enough time for the MA-2 to execute a command before receiving the next one.

Command Function

ply<CR> Starts playback

pse<CR> Pauses playback

stp<CR> Stops playback (or if stopped will eject CD)

try<CR> Ejects the CD from the drive (if playing, stops playback)

nxt<CR> Jumps ahead a track

prv<CR> Jumps back a track

sfw<CR> Scan forward

sbw<CR> Scan backward

rpt<CR> Toggles through the different repeat modes

rtr<CR> Selects repeat track function

ral<CR> Selected repeat all function

020

Serial Remote Control (RS232)

MA-2 Integrated Playback System

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