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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
®
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
37 Sherwood Terrace, Unit 111, Lake Bluff, IL 60044 • U.S.A.
IP7-SS40
Audio Transformer Installation
software to adjust the
esupport@digitalacoustics.com
Page 1 of 2
Application Note IPAMP-20120615
COMTR4070-D10 Transformer
Installation Instructions
REV June 2012
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Summary of Contents for Digital Acoustics IP7-SS40
- Page 1 Installation Instructions REV June 2012 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 •...
- Page 2 • All Speakers must be wired in parallel (see diagram below) • When using transformers, the total wattage available from the IP7-SS40 must be reduced to account for transformer loss. The IP7-SS40 has 30 watts available • When the wattage settings from each speaker on the 70v distribution line are added together, the total cannot exceed 30 watts •...
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