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ProAVM DA-IT 1 Input, 4 Output Stereo
Distribution Amplifier

A versatile stereo, four output distribution amplifier with individually gain controlled, fully buffered outputs.

The DA-IT solves the problem of feeding multiple loads from a single audio source, simultaneously delivering professional, domestic, balanced, unbalanced, mono and stereo outputs. Feeding each load from a separate output introduces valuable fault tolerance to a system since critical feeds, be they to a transmitter, recorder, or amplifier, are isolated from fault conditions on any other.

Eight outputs are available, each with an individual wide range gain control. Given a stereo input, they may be assigned as four stereo pairs, eight internally generated mono mixes, or any combination of the two by means of internal links. Alternatively, a single mono input can drive all eight outputs. This, combined with the ability of each output to run unbalanced and at domestic levels, means that use of a DA-IT can in many cases eliminate the expense of additional level matching and summing boxes.

The DA-IT is packaged in a robust metal case suited to mounting on rack shelves, beneath woodwork or inside rack cabinets by means of screws, ties or sticky pads. It is supplied with a mains lead, comprehensive instructions and a five year warranty.

For a 1U rackmount version, see DA-ITR.


System Diagram for ProAVM DA-IT

Audio Specification For ProAVM DA-IT
Input/outputElectronically balanced
Input impedance20k or 600ohm switchable
Maximum input level+26dB Input CMRR 60dB (typ.)
Nominal gain range-25 to +10dB RMS
Noise (at 0dB gain)-98dB ref +8dBu output
THD 1kHz0.005% at +8dBu output
AF response< +/-0.1dB (20Hz-20kHz)
Maximum output level+26dBu with 10k load +25.5dBu with 600ohm load
Power supply230V AC +/-10%
Power consumption< 10VA
Dimensions484mm x 127mm x 44mm (1U) (exc. switches & connectors)
Fixing centres5mm holes on 413mm x 87mm rectangle
Weight1250g
Warranty5 Years

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