Application Note IPAMP-20120615
COMTR4070-D10 Transformer
Installation Instructions
REV June 2012
37 Sherwood Terrace, Unit 111, Lake Bluff, IL 60044 • U.S.A.
esupport@digitalacoustics.com
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IP7-SS40
Audio Transformer Installation
The optional 70V audio transformer for the
IP7-SS40 enables an IP7-SS40 Amplifier to:
•Drive one or more speakers, each with
its own transformer
•Install the speakers up to 3000’ away
from the IP7 Amplifier
•Set an individual speaker’s relative
volume using its transformer taps
Use the TalkMaster®software to adjust the
volume level of the IP7-SS40.
To install the optional 70V transformer:
•Mount the transformer next to the IP Amplifier. Optional DIN clips are provided
•Connect the Black 8Ω and the White COM leads from the transformer to the
J2-6 and J2-7 terminals (SPKR 8Ω+ and SPKR 8Ω-) on the IP7 (polarity
independent)
•Connect the Black 70V and Red COM to the speaker distribution line
