Digital Message Announcer - Sennheiser
Digital Message Announcer - Sennheiser Digital Message Announcer - Sennheiser
DMA1 Digital Message Announcer At a Glance > Plays MP3 fi les > Standard SD card digital message storage > On board Play, FF, Rew & Stop controls (with remote capability) > Contact closure fi le replay triggers A More Thorough Examination... The Australian Monitor Installation Series DMA1 digital message announcer is a compact yet highly featured digital playback device. Utilizing an SD card digital storage format the DMA1 delivers high quality stereo audio in an MP3 format. Messages can be played or triggered using the on-board controls, via remote switches, contact closure or via RS485 serial control. The DMA1 also boasts an on board 20 watt per channel D class power amplifi er as well as stereo inputs & outputs which allow it to be inserted in line with another BGM feed. > RS485 control > Capacity up to 255 messages > Stereo In/Out > Onboard 20 watt per channel D class power amp 130 minutes of music ( at 128kbps sample rate ) can be stored in the supplied 128MB memory card. The DMA1 supports memory cards up to 1GB and variable bit rate music fi les. The DMA1’s compact size belies the wealth of features it offers. It is a highly innovative & cost effective digital message storage & playback device that has a host of commercial applications.
DMA1<br />
<strong>Digital</strong> <strong>Message</strong> <strong>Announcer</strong><br />
At a Glance<br />
> Plays MP3 fi les<br />
> Standard SD card digital message storage<br />
> On board Play, FF, Rew & Stop controls<br />
(with remote capability)<br />
> Contact closure fi le replay triggers<br />
A More Thorough Examination...<br />
The Australian Monitor Installation Series DMA1 digital message<br />
announcer is a compact yet highly featured digital playback device.<br />
Utilizing an SD card digital storage format the DMA1 delivers high<br />
quality stereo audio in an MP3 format. <strong>Message</strong>s can be played or<br />
triggered using the on-board controls, via remote switches, contact<br />
closure or via RS485 serial control. The DMA1 also boasts an on<br />
board 20 watt per channel D class power amplifi er as well as stereo<br />
inputs & outputs which allow it to be inserted in line with another<br />
BGM feed.<br />
> RS485 control<br />
> Capacity up to 255 messages<br />
> Stereo In/Out<br />
> Onboard 20 watt per channel D class<br />
power amp<br />
130 minutes of music ( at 128kbps sample rate ) can be stored in<br />
the supplied 128MB memory card. The DMA1 supports memory<br />
cards up to 1GB and variable bit rate music fi les.<br />
The DMA1’s compact size belies the wealth of features it offers.<br />
It is a highly innovative & cost effective digital message<br />
storage & playback device that has a host<br />
of commercial applications.
Architecture & Engineering Specifi cations<br />
The <strong>Digital</strong> message announcer shall be of compact size & replay MP3 message fi les via SD card storage. The unit shall<br />
provide stereo playback with stereo in & out facility. <strong>Message</strong>s shall be replayed via on board controls (with remote<br />
capability), via contact closure or via RS485 serial control. The unit shall have capacity for storage of up to 255 high<br />
quality MP3 fi les & shall also have an onboard 20 watt per channel stereo power amplifi er.<br />
The Unit shall be an Australian Monitor DMA1.<br />
Power supply 12-15VAC or 12-24VDC<br />
Consumption in Standby 1 W<br />
Protection internal fuse, 4A delayed<br />
Capacity of extractable memory SD/MMC from 32MB to 1GB<br />
Input absorption 5 mA<br />
Formats accepted MPEG1 layer 3 (fi le MP3 from 64 to 160 Kbps)<br />
Frequency Response 20 ~ 20.000 Hz (±3dB)<br />
Signal/noise ratio > 90dB<br />
Harmonic distortion < 0.1%<br />
Output power 20+20W ( 24V / 4 Ω ) THD= 0.04%<br />
Audio controls - General output volume control<br />
- Control of input volume and background<br />
level with mixer function<br />
- Separate bass and treble tone controls<br />
- Loudness level control<br />
- Automatic fade in<br />
- Automatic fade out<br />
Control keys 4 buttons REW, PLAY, STOP, FWD and<br />
menu functions<br />
Classifi cation IP30 on the basis of liquid and dust penetration<br />
Size 102 (W) x 74 (D) x 19 (H) mm<br />
Shipping Dimensions 360 (W) x 240 (D) x 80 (H) mm<br />
Weight 1.5kg<br />
Engineered and Distributed by AUDIO TELEX COMMUNICATIONS PTY LTD (ABN 78 001 345 482), 149 Beaconsfi eld Street, Silverwater, Sydney, NSW, 2128 Australia<br />
NSW Tel: (02) 9647 1411 Fax: (02) 9648 3698 VIC Tel: (03) 9890 7477 Fax: (03) 9890 7977 QLD Tel: (07) 3852 1312 Fax: (07) 3252 1237 WA Tel: (08) 9228 4222 Fax: (08) 9228 4233<br />
SA Tel: (08) 8352 4444 Fax: (08) 8352 4488 NZ Tel: (09) 415 9426 Fax: (09) 415 9864 International Enquiries - international@audiotelex.com.au www.australianmonitor.com.au
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