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Audio Technologies Inc. | 154 Cooper Road #902 | West Berlin, NJ 08091 | Voice 856-719-9900 | Fax 856-719-9903 | www.
audio.com
shielded and free of ground loops. It may even be necessary to add shielding to
the DC input leads to avoid RF pickup.
POWER DISTRIBUTION
Multiple amplifiers sharing a single wall-wart power supply should be looped
through each other using the DC interconnect cables P/N20602-1. Hum and
noise performance of the units can be degraded by poor DC ground connections
between units sharing a common supply, use of the recommended rack and desk
mounting kits will assure a good ground connection between units by firmly
strapping their chassis together.
CAUTION! The outer shell of the DC interconnect cables is positive relative to
the chassis. Do not allow a DC cable plugged into a powered unit to hang loose
where it might short against the chassis or rack frame.
OPTIONS
230VAC
The WA100-2 tabletop power supply accepts 230VAC/50-60Hz via an IEC320
male 3 pin AC input connector. User supplies a matching line cord for the local
power system.
BATTERY OPERATION
Alkaline battery packs (BBU100-1) and 24VDC converters for operation from 12V
belt pack or automotive batteries (DC100-1) power modules are available.
MAINTENANCE
There is no routine maintenance required. If you have a problem, check panel
LED indicators to assure that the units have DC power, eliminate by substitution
input and output cables, connectors, downstream devices, DC interconnect
cables and Wall Wart power supplies.
POWER SUPPLY LEVELS
The recommended loaded DC input voltage range is 22VDC minimum to 32VDC
maximum over the full range of AC line voltage tolerances. The audio circuits
continue to work with reduced headroom below 22VDC. Momentary surges up to