Rockford Fosgate Power 100HD, Руководство по установке, Страница: 7 / 12

b) Or: Install a switch in the car with one terminal connected to +12 Volts and the other to the Power
100HD red lead. (See Figure Four)
c) Or: Connect the Power 1 OOHD red lead to the accessory point at the car’s fuse block. In this case
the amplifier will be on whenever the car is on. CAUTION: This method will allow the amplifier to
amplify any noise and turn-on and turn-off transients, and may therefore be unsatisfactory. (See
Figure Four)
SPEAKER CONNECTIONS
WIRES FROM 10-PIN CONNECTOR
Be certain to observe speaker terminal polarity throughout the system.
It is critical for the
Power 1OOHD to use the correct negative leads for the right and left channels, since the right negative
lead (brown) is the “hot" lead for the right speaker.
DO NOT chassis ground any of the speaker
leads.
Unstable operation may result. (See Figure Four)
SPEAKER WIRE
We recommend that you always use high quality speaker wire for the best sound quality. For short
runs, 18-Gauge wire is the smallest we suggest; for runs over 6 feet, 16-Gauge should be used.
Many users find that sound quality is improved by the use of specially-made heavyduty speaker
wiring. The Power 100HD output harness uses short runs of 1 6-Gauge wire and should not reduce
any benefits gained from specialized speaker wiring. See Perfect Interface catalog for wire
enhancements.
SPEAKER IMPEDANCE
The Power 100HD is rated for operation into loads of 2-Ohms or greater in stereo operation.
The primary load on the amplifier comes from directly connected speakers (not isolated by
capacitors), and the measured resistance for each side cannot be less than 1.8-Ohms.
A single
4-Ohm woofer or parallel 4-Ohm pairs per side will form a high-performance system. The maximum
direct load per side is a 4-Ohm speaker in parallel with a 4-Ohm speaker.
If the amplifier load drops below approximately 1.5Ohms, the Power 100HD amplifier will blow the
internal fuses or overheat.
BRIDGING MODE
The Power 1 OOHD amplifier can be bridged into 4-Ohm or 8-Ohm loads to maximize power output.
The fused leads from the amplifier are used to provide the “Hot” wires needed when bridging.
Please
refer to Figures Two and Three for proper connections.
In any bridged application DO NOT use a speaker system with less than a 4-Ohm impedance.
SPEAKER FUSING
The Power 1 OOHD amplifier is supplied with in-line fuses for speaker protection. The Power 1 OOHD
amplifier is fully protected internally against loading problems, and external fuses are not required
for amplifier protection. However, speakers are not normally capable of continuous full power
operation and should be fused to prevent damage due to excessive power. (See Figure Four)
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