Digital Acoustics COMTR4070-WA Manual de introducción - Página 3

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Speaker Installation Guidelines

•

Each speaker must have its own 70V transformer

•

Connect the speaker's transformer to the distribution line using

the 70V setting and the appropriate wattage to set the speaker's

relative volume

•

Do not mix Speakers tapped for 25V with a 70V distribution line

•

Make sure to maintain the same wiring polarity between each

speaker

•

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

•

The following guidelines should be used for selecting Speaker

Wire

Distance

1' - 500'

501' – 1000'

1001' – 2000'

2000' – 3000'

40 Watt - 70V

Transformer

IP7

Wire Gauge

18 AWG

16 AWG

14 AWG

12 AWG

70V

70v distribution line using parallel wiring

70V