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Summary of Contents for ATI Audio DA103
- Page 1 DA103 AND DMA103 AUDIO DISTRIBUTION AMPLIFIER OPERATING AND MAINTENANCE MANUAL © Copyright 2011, ATI Audio Inc. ATI Audio Inc. ■ Tel: 856-719-9900 ■ Fax: 856-504-0220 ■ sales@daysequerra.com ■ audio.com...
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Page 2: Circuit Details
Your DA103 and DMA103 Audio Distribution Amplifiers are inexpensive high performance amplifiers designed to split and isolate audio signal lines. The DA103 accepts a line level input, balanced or unbalanced audio at -20, -10 or +4dBu nominal level and provides a line level output at +4dBm nominal to balanced or unbalanced output lines. -
Page 3: Installation
The DA103 and DMA103 require 22 to 30VDC and are designed to share a common external 24VDC "Wall Wart" type power supply, included with each unit. A pair of loop-thru DC connectors on the rear of each module permits several units to be daisy-chained with P/N 20602-1 DC power loop-thru cables to a single power supply. -
Page 4: Power Distribution
Before mounting your product in a rack, remove the top cover (4 upper side screws) and set the DA103 preamp gain jumper to match the nominal input line level. For for the DMA103, set the preamp gain with the DIP rocker switch to the highest level that does not cause input circuit clipping. -
Page 5: Battery Operation
IC inputs and outputs should show a DC level equal to this voltage when measured with a high impedance meter. Audio inputs and outputs are capacitor coupled and ground referenced. ATI Audio Inc. ■ Tel: 856-719-9900 ■ Fax: 856-504-0220 ■... -
Page 6: Specifications
DA103: 40, 30,16dB maximum. DMA103: 80, 60, 40, 30dB maximum NOMINAL LEVELS DA103: +4dBu in, +4dBm out at -4dB preamp gain DMA103: -50dBu in, +4dBm out at 40dB preamp gain PEAK LEVELS DA103: +22dBu in, +22dBm out to 600 ohm balanced DMA103: -20dBu in, +22dBm out to 600 ohm balanced NOISE 20kHz B.W. -
Page 7: Field Accessories
21097-501 1/3 RU Filler Panel FIELD ACCESSORIES: PROK-1 Side protection plates with slide mounts for quick- change battery packs ABAG-1 Carry case with strap for unit plus power pack (includes PROK-1) ATI Audio Inc. ■ Tel: 856-719-9900 ■ Fax: 856-504-0220 ■ sales@daysequerra.com ■ audio.com... - Page 8 ATI reserves the right to modify or discontinue, without prior notice to you, any model or style product. If warranty problems arise, or if you need assistance in using your product contact us. ATI Audio Inc. ■ Tel: 856-719-9900 ■...
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