Meitner Audio MA-1 Assembly instructions
MA-1 Stereo D/A Converter Manual
001
Version 1.4
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
MA-1 Stereo D/A Converter Manual
002
Safety Instructions
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).
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
MA-1 Stereo D/A Converter Manual
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Introduction
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.
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
MA-1 Stereo D/A Converter Manual
004
Table of Contents
Table of Contents
Safety Instructions page 02
Introduction page 03
Warranty page 05
MA-1 Stereo Digital Converter page 06
Features & Specifications page 07
Front Panel & Functions page 09
Rear Panel & Functions page 11
Connecting and Operating the MA-1 page 13
DSD Audio page 15
Infrared Remote Control page 16
Serial Remote Control (RS232) page 17
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
Warranty
Meitner Audio warrants the MA-1 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 5 years. 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.
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.
MA-1 Stereo D/A Converter Manual
005
Warranty
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
MA-1 Stereo Digital Converter
The MA-1 is a high-performance 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-1 provides near instantaneous digital to analog conversion from a
host of digital inputs.
The MA-1 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.
MA-1 Stereo D/A Converter Manual
006
MA-1 Stereo Digital Converter
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
Features & Specifications
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)
• 2x SPDIF (RCA)
• 2x 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.
System:
• System control via serial RS-232
• USB data port for software upgrades
MA-1 Stereo D/A Converter Manual
007
Features & Specifications
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
MA-1 Stereo D/A Converter Manual
008
Features & Specifications
Features & Specifications
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
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
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. Locked Sample Frequency Indicators:
The appropriate sample rate indicator is lit when the unit detects valid digital audio
data at the selected digital audio input.
MA-1 Stereo D/A Converter Manual
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Front Panel & Functions
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
Front Panel & Functions
3. Digital Input Selector Buttons:
• AES: Selects AES/EBU (XLR) format PCM digital input .
• COAX 1: Selects SPDIF (RCA) format PCM audio from COAX 1 connector.
• COAX 2: Selects SPDIF (RCA) format PCM audio from COAX 2 connector.
• TOS 1: Selects SPDIF (TOSLINK) format PCM audio from TOS 1 connector.
• TOS 2: Selects SPDIF (TOSLINK) format PCM audio from TOS 2 connector.
• USB Audio: Selects USB PCM audio (computer, media player, media server).
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.
Please note:
1. The Meitner Audio MA-1 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-1. Please see page 14 for installation instructions.
3. Please use USB 2.0 compliant devices for maximum high resolution audio
compatibility. Using the MA-1 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-1 Stereo D/A Converter Manual
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Front Panel & Functions
meitner © 2012 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
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