Orion 220gx User Manual

POWER AND GROUND CONNECTIONS
IMPORTANT CAUTIONS
1. Improper wiring connections can seriously damage
amplifiers, accessories, or speakers. Follow the con¬
necting instructions in this manual carefully. When
in doubt, contact your dealer.
2. Disconnect the battery positive (+) lead before mak¬
ing any power connections.
3. Always connect the power cable assembly directly
to the positive (+) terminal on the battery. Do NOT
connect to the car fuse panel. Do NOT use a smaller
gage wire for the hot lead than that coming out of
your amplifier.
4. Make sure that the power ON-OFF switch that con¬
trols the amplifiers is turned OFF when making any
connections.
5. Make sure that all connections are clean and properly
secured. Failure to do so may result in damage to
your equipment.
6. Always replace fuses with the same FAST BLOW
current rating as those supplied with your amplifier.
Incorrect fuses can result in serious damage to the
components in the system.
7. The speakers must never be grounded to the car
chassis or body. To do so will cause severe noise
problems and, in case of bridging, cancel out the
two-phase operation.
8. Make sure that your car has enough power to handle
all car systems as well as your audio system. Read
“Power Requirements” below carefully.
A. Low Power Systems
Before installing your audio system, you must make
sure that your car has enough power to service all of
the car electrical components (engine, headlights, wind¬
shield wipers, air conditioning, etc.) and still handle the
power required to supply your audio system at full
power.
Use a little common sense. If you are installing a sys¬
tem containing two 220gx, 240gx or GS-100 ampli¬
fiers, your existing factory electrical system will prob¬
ably handle your power requirements.
An existing system will handle a 280gx or GS-1000
amplifier just fine, but if you install two of these amp¬
lifiers, you probably won’t be able to run the system at
full power at night with the headlights on. If you want
to install two of these amplifiers and run at full power
at night, you will probably have to install a heavy duty
alternator and a premium battery (or even a second
battery as described in B below).
If you attempt to overload your existing system, you
will burn out the brushes or field diodes in your alter¬
nator and greatly reduce the life of your battery.
B. Multiple Amplifier Systems
Multiple-amplifier systems (except as described in A
above) require additional battery and/or charging
power.
Competition systems, such as those shown in figures
14 and 15, should contain multiple batteries or be
powered by an external battery charger or dc power
supply with a current rating in excess of that required
by all combinations of the components in your system.
For standard multi-amplifier systems, you must install
a heavy duty alternator and at least one extra battery,
Prefcrrably, all batteries should be deep discharge
marine batteries.
When batteries are connected in parallel, the voltage
across each battery is the same and the batteries share
the load current. The alternator will generally maintain
the charge on both batteries equally.
The power lead for each amplifier should be con¬
nected directly to the positive terminal as shown on
page 28. In large multi-amplifier systems, the power
leads can be connected to a heavy buss bar, but the
lead from the bus bar to the battery positive terminal
must be at least No. 0 wire gage.
Keep in mind that an amplifier can only supply its full
power if it has enough battery power being supplied
to it.
All ORION amplifiers are designed to stop functioning
if battery power drops below 10 volts.
C. G rounding Amplifiers
For any audio system, you should first go to the battery
and get rid of that little 12 or 14 gage wire that goes
from the ground terminal to the chassis and install a
braided ground strap at least 1-inch wide from the
battery negative terminal to the chassis. Leave the
original ground strap connected to the engine.
The ground wire for each amplifier must be connected
directly to the car chassis not more than 18 inches
from the amplifier. Longer ground leads will usually
cause ground loops.
Do NOT ground the amplifiers at the same point. Use
a separate grounding point for each amplifier.
The ground point should be a metal chassis member
that is welded to the main body of the car. Scrape any
paint from the grounding point and clean with sand¬
paper just before attaching the ground lug. After the
ground lug has been securely tightened, cover the bare
metal area with paint or grease to prevent rust.

Orion 220gx Specifications

General

Brand	Orion
Model	220gx
Category	Amplifier
Language	English