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ATI Audio Inc DMM100 Digital Matchmaker - Digital Audio Format Level, Impedance and Connector Matcher

B&H # ATDMM100 Mfr # DMM100
No Longer Available

The DMM100 from ATI Audio is a level, impedance and connector matcher for digital audio signals. AES/EBU and S/PDIF digital signals share the same general data format. However, an S/PDIF signal will include dedicated bits in the data stream that will indicate whether the signal source is an original or a first generation copy. A professional device may indicate whether the encoded audio is a stereo signal or two monaural channels.

The DMM100 does not discriminate based on these details and simply attempts to output a clean copy of the original data stream.

For example, a situation might arise where it is necessary to run a low level RCA type (S/PDIF) digital output a long distance, in a high noise environment. In this instance, a balanced XLR high-level connection would be a better choice, while maintaining the integrity of the original data.

The unit provides four types of input and output connectors for both the AES/EBU and S/PDIF digital formats. These include XLR, RCA coaxial, BNC and TOSLink optical.

Note! The DMM100 requires an optional 24VDC power supply in order to operate.

Accepts AES/EBU digital audio signals from an XLR female 110Ω line, a BNC or RCA 75Ω line or a TOSLink optical fiber
Provides a signal bandwidth of 12MHz to handle digital audio sampling rates of 27kHz to 96kHz
Can simultaneously drive an XLR male 110Ω output at 3.5Vp-p and a BNC or RCA 75Ω output at 1.0Vp-p and a TOSLink optical transmitter
Propagation delay through the DMM100 is less than 100nS and jitter is under 5nSp-p
All electrical inputs and outputs are transformer isolated, floating and DC blocked to eliminate ground loop hum and jitter, and to prevent transformer saturation due to accidental superimposed DC line voltages
All inputs and outputs are properly terminated for minimum signal reflection
A green "Signal Present" indicator illuminates when a data carrier is output from the unit
ADC Not applicable
DAC Not applicable
Sample Rates Not applicable
Analog Inputs No
Analog Outputs No
Digital Input 1 x XLR AES/EBU
1 x TosLink optical S/PDIF
1 x RCA coaxial S/PDIF
1 x BNC 75Ω S/PDIF
Digital Output 1 x XLR AES/EBU
1 x TosLink optical S/PDIF
1 x RCA coaxial S/PDIF
1 x BNC 75Ω S/PDIF
Word Clock No
Dynamic Range Not applicable
Frequency Response Not applicable
THD + N Not applicable
Dimensions (WxDxH) 5 3/4" x 6" x 1 3/4"
Weight 1.5 lbs
Specialties Requires an optional 24VDC power supply
ATI Audio Inc DMM100 Digital Matchmaker - Digital Audio Format Level, Impedance and Connector Matcher
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