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MRC88 / MRAUDIO8X8 QUICK START GUIDE
08905142A
8
SPEAKER WIRE LENGTH
The maximum wire length for Zone Speaker connections is 150’ (39m) over
14AWG stranded wire.
• Speaker wire should be pulled in home-runs from the speaker locations to the
MRC88 Controller, two pair for each zone.
• Always use quality stranded speaker wire for zone speaker connections.
• Label each end of the speaker wire with the Zone Number and Room Name to
assure proper connection and assist in troubleshooting.
• MRC88 Speaker Terminals are 4-Ohm safe. Be sure the combined
impedance presented to the speaker terminals by the speakers (or any
combination of speakers) is greater than 4-Ohms.
Use the following Table to determine speaker wire gauge based upon the length
of the speaker wire run:
Length of Speaker Wire Run Gauge of Wire
30’ (9m) 18AWG
70’ (21m) 16AWG
150’ (39m) 14AWG
Table 1 – Speaker Wire Length/Gauge
Figure 5 – MRC88 Zone Speaker Wire Length