Rockford Fosgate 250.1 Manuel d'utilisateur télécharger pdf (Page 14)

WIRING THE SYSTEM

CAUTION: Avoid running power wires near the low level input cables, antenna, power leads, sensitive

equipment or harnesses. The power wires carry substantial current and could induce noise into the audio system.

1. Configure the internal XCard crossovers prior to installation. Refer to the “Using the Signal Switching

Network” (page 19 for the 250.2 and page 31 for 250.1) for further information.

2. Plan the wire routing. Take care when running signal level RCA cables to keep them close together but

isolated from the amplifier's power cables and any high power auto accessories, especially electric motors.

This is done to prevent coupling the noise from radiated electrical fields into the audio signal. When feeding

the wires through the firewall or any metal barrier, protect them with plastic or rubber grommets to prevent

short circuits. Leave the wires long at this point to adjust for a precise fit at a later time.

3. Prepare the Power cable for attachment to the amplifier by stripping

5/8" of insulation from the end of the wire. The use of 8 gauge power

cable can interfere with the installation of the end caps. Proper wire

dress can prevent this from occurring. To prevent the wire from

fraying, strip the insulation at a 45° angle. Insert the bared wire into

the B+ terminal with the long side of the insulation on the top. Bend

the cable down at a 90° angle. Tighten the set screw to secure the

cable in place. We recommend using (2) 8 gauge cables for power

and for ground. This will give you the best performance possible.

4. Strip 3/8" from the battery end of the power cable and crimp a large ring terminal to the cable. Use the ring

terminal to connect to the battery positive terminal. Do not install the fuse at this time.

5. Prepare a length of cable to be used for the ground connection. Strip 5/8" of insulation from the end of the

cable as described above and connect to the appropriate terminal of the amplifier. Prepare the chassis ground

by scraping any paint from the metal surface and thoroughly clean the area of all dirt and grease. Strip the

other end of the wire and attach a ring connector. Fasten the cable to the chassis using a non-anodized screw

and a star washer.

6. Prepare the REM turn-on wire for connection to the amplifier by stripping 1/4" of insulation from the wire

end and crimping an insulated spade connector in place. Slide the connector over the REM terminal on the

amplifier. Connect the other end of the REM wire to a switched 12 volt positive source. The switched signal

is usually taken from the source unit's auto antenna or the accessory lead. If the source unit does not have

these outputs available, the recommended solution is to wire a mechanical switch in line with a 12 volt

source to activate the amplifier.

7. Securely mount the amplifier (with supplied screws) to the vehicle or amp rack. Be careful not to mount the

amplifier on cardboard or plastic panels. Doing so may enable the screws to pull out from the panel due

to road vibrations or sudden vehicle stops.

8. Connect the source signal to the amplifier by plugging the RCA cables into the input jack(s) at the amplifier.

If using Balanced Line Inputs, refer to page 24.

9. Connect the speakers. Strip the speaker wires 5/8" and insert into the appropriate terminal on the amplifier.

Insert the bared wire into the speaker terminal and tighten the set screw to secure into place. Be sure to

maintain proper speaker polarity.

DO NOT chassis ground any of the speaker leads as unstable operation

may result.

– 11 –

5/8"

INSULATION

STRIP WIRE

AMP

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Rockford Fosgate 250.1 Manuel d'utilisateur Page 14

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