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ATI Audio Inc MM100 Match Maker - Balanced / Unbalanced Level Matching Interface

B&H # ATMM100 Mfr # MM100
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From ATI-Audio, the MM100 Match Maker interface solves the inherent noise problem associated with balanced to unbalanced signal flow. The MM100 features balanced L/R XLR input and output connections and unbalanced L/R RCA phono inputs and outputs.

The interface allows signal flow from professional to consumer audio sources, and the reverse, while providing adequate level matching and eliminating noise caused by unmatched impedances. The MM100 provides ground isolation on output, eliminating noise caused by radio frequencies. An internal jumper can be set to provide dual line, simultaneous input or output. This allows the interface to be used as a 2 channel distribution amplifier, or stereo to mono summing amplifier.

Level Matching
The MM100 effectively matches levels between consumer and professional audio sources while eliminating noise.
Ground Isolation
Ground isolated outputs eliminate noise caused by radio frequency interference.
Optional Signal Flow
The unbalanced connections can be jumped to provide simultaneous input or output signal flow. This allows the unit to be used as a 2 channel distribution amplifier or stereo to mono summing amplifier.
Connectors Balanced
Inputs - 600 ohm XLR type, 3-pin female
Outputs - 600 ohm XLR type, 3-pin male
Unbalanced
Inputs - RCA type Phono jacks
Outputs - RCA type Phono jacks
Input Impedance Balanced, 20k ohm bridging Split and RF Bypassed
Unbalanced, 10,000 ohms Split and RF Bypassed
Output Impedance Transformer Balanced, 40 ohms maximum source impedance. 600/150 ohm load
Unbalanced, 1500 ohms max. Zs. Output may be paralleled for mono
Nominal Output Level Balanced, +4dBm input, -10dBu (.25V) out
Unbalanced, -10dBu(.25V) in. +4dBm out
Peak Level Balanced, +22dBm in, +8dBu (2.0V) out
Unbalanced, +8dBu (2.0V) in, +22dBm out
Frequency Response +0, -.25dB, 20 to 20,000Hz.
Balanced, -3dB at .5Hz and 150kHz
Unbalanced, -3dB at 1.0Hz and 65kHz
Crosstalk 70dB minimum at 10kHz in all modes
Signal-to-Noise Ratio 20Hz - 20kHz meas. band.
Balanced, -90dBu maximum
Unbalanced, -80dBm maximum
Total Harmonic Distortion (THD) Balanced
.02% max. at Peak Level
.005% max. at Nominal Levels
Unbalanced
.01% max. at Peak Level
.005% max. at Nominal Levels
Power 115/230 VAC+/-10%, 47 to 63 Hz, 4VA.
Dimensions 1.5 X 8.5 x 4.65" (38.1 x 215.9 x 118.11mm) (HxWxD)
Weight 3 lbs (48 oz)
ATI Audio Inc MM100 Match Maker - Balanced / Unbalanced Level Matching Interface
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