AMC IA series Panduan Pengguna - Halaman 7
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Halaman CetakWiring Guide
We recommend using pre-built or professionally wired balanced line for input connector. 22 to 24
gauge cables.
Below picture shows connector pin assignments for wiring.
For output connector we recommend using pre-built or professionally wired, high quality, and heavy
gauge speaker wires. You may use Phoenix blocks for your output connectors.
To prevent the possibility of short-circuits, wrap or insulate exposed loudspeaker cable connectors.
Using the guidelines below, select the appropriate size wire based on the distance between amplifier
and speaker. The wire sizes are given for a 4-ohm load.
NOTE : Custom wiring should only be performed by qualified personnel.
CAUTION : Never use shielded cable for output power wiring
Distance
Up to 25 ft. (7,5 m)
25 - 40 ft.
(7,5 - 12 m)
40 - 60 ft.
(12 m - 18 m)
60 -100 ft.
(18 m - 30 m)
100 - 150 ft. (30 m - 45 m)
150 - 200 ft (45 m - 60m)
4 Ohm Wire Guide
OUTPUT : Maintain proper polarity on output connectors.
For output channel, connect the output EURO block terminals to the loudspeaker loads. Use
terminals marked (4Ω) for a 4-ohm loudspeaker load, or use terminals marked 70V or 100V and
COM for constant-voltage loudspeaker loads.
Connect the COM terminal to speaker negative(-) lead; connect one of the other terminals to
speaker positive(+) lead.
iA120
4Ω / 22V
iA240
4Ω / 31V
iA360
4Ω / 38V
Impedance and output voltages
Wire size
16 AWG (Ø 1,29mm)
14 AWG (Ø 1,62mm)
12AWG (Ø 2,05 mm)
10AWG (Ø 2,5 mm)
8AWG (Ø 3,2 mm)
6AWG (Ø 4,11 mm)
41Ω / 70V
83Ω / 100V
21Ω / 70V
41Ω / 100V
13.6Ω / 70V
27.8Ω / 100V
1. ground/shield
2.
hot (+ve)
3.
cold (- ve)
For unbalanced connection
pin 1 and 3 have to be bridged