ATI Audio DA412 Operating And Maintenance Manual - Page 4
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pairs (e.g.; P4 & P5 together) to properly jumper HI & LO input lines. These
jumper plugs let you use a DA206 as a Dual 1X3 or a Mono 1X6, and a DA412
as a Quad 1X3, Stereo 1X6 or a Mono 1X12 DA.
230VAC OPERATION
Your DA is wired for 115VAC, 50/60Hz operation unless otherwise requested at
time of order. It can be easily modified for 230VAC operation by removing the
power transformer primary jumpers W1 & W3 and inserting a jumper wire in
position W2. Different types of attachment plugs or line cords may be required for
connection to alternate supply voltages.
MAINTENANCE
Power supply voltages are regulated by A1 and A2 to +15 and -15VDC
respectively. IC output DC voltages under no signal, shorted input conditions
should remain within 0.1VDC of ground. A greater deviation is an indicator of IC
or circuit problems.
Inputs and outputs are susceptible to high common mode and differential AC and
DC voltages fed from external devices or appearing on ground.
UL LISTING
The DA206 and DA412 are listed by Underwriter Laboratories as "Listed
Professional Audio Equipment 2D65."
ATI Audio Inc.
■ Tel: 856-719-9900
■
Fax: 856-504-0220
■
www.
audio.com