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Wiring Infrastructure
Speaker Wire
The 0E-IA1250 is a flexible multi-channel amplifier capable of many different applications. The
application for a given system, or even different amp configurations for different zones within a single
system can create different requirements for speaker wire runs. Please review the information below
and apply these guidelines to your particular application(s).
MULTI-ZONE AUDIO (4/8Ω)
If the 0E-IA1250 is being used with a multi-zone preamp/controller then pull home-runs directly
from the speaker locations or speaker terminal plates to the amplifier location. Use quality stranded
speaker wire based upon the 4/8Ω Speaker Wire Gauge Table below.
MULTI-ROOM AUDIO - STEREO OR BRIDGED (4/8Ω)
If the amp is being used to distribute audio from the 0E-IA1250 Zone Line INs or Audio Bus IN, to
different rooms with 4/8 Ohm speakers, individual room volume controls (or an IR control system)
will be needed. In this application pull speaker wire from each speaker to the volume control location
in each room and then home-runs from each volume control to the amplifier location. Use quality
stranded speaker wire based upon the 4/8Ω Speaker Wire Gauge Table below.
70V/100V
If the amp is being used to distribute 70V/100V audio, pull distribution lines (each distribution line is
a wire pair) in a daisy-chain pattern, (amp to first speaker, first speaker to second speaker, second
speaker to third speaker, etc.) If distributing stereo, pull two distribution lines (two pair) to each
speaker location in a daisy chain from the amp location. Use quality stranded speaker wire based
upon the 70V Speaker Wire Gauge Table below.
All manuals and user guides at all-guides.com
4/8Ω SPEAKER WIRE GAUGE
SPEAKER WIRE LENGTH
150' (46m)
400' (122m)
1000' (305m)
70V SPEAKER WIRE GAUGE (30W Zone Output)
SPEAKER WIRE LENGTH
350' (106m)
550' (167m)
900' (274m)
1400' (426m)
2300' (701m)
SPEAKER WIRE GAUGE
16 AWG
14 AWG
12 AWG
SPEAKER WIRE GAUGE
24 AWG
22 AWG
20 AWG
18AWG
16AWG
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