T8002 - Car stereo Rockford Fosgate - Free user manual and instructions
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| Product Type | 4-Channel Car Audio Amplifier |
| Dimensions (H x W x D) | 6.60 x 32.51 x 58.42 cm |
| Weight | Approximately 5 kg (estimate) |
| Power Supply | 12 V DC (10.5-15.5 V), ANL 150 A fuse |
| RMS Power (4 Ω per channel) | 50 W x 4 |
| RMS Power (2 Ω per channel) | 100 W x 4 |
| RMS Power (1 Ω per channel) | 200 W x 4 |
| Bridged RMS Power (4 Ω) | 200 W x 2 |
| Bridged RMS Power (2 Ω) | 400 W x 2 |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB |
| Bandwidth | 20 Hz - 200 kHz ±3 dB |
| Signal-to-Noise Ratio | 80 dB(A) @ 2 V RMS |
| Variable Filter | High-pass, low-pass, or all-pass, 40-400 Hz (x1) or 400-4000 Hz (x10) |
| Filter Slope | 12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley |
| Subsonic Filter | 28 Hz, 12 dB/octave |
| Bass Equalization | Para-Punch remote: gain 0 to +18 dB, center frequency 35-70 Hz |
| Inputs | Stereo RCA (4 channels), impedance 10 kΩ |
| Speaker Outputs | Nickel-plated terminals, 8-18 AWG wire |
| Protection | Thermal, short circuit, overload, diagnostic LED (blue power, red thermal, yellow protection) |
| Cooling | Variable 3-speed fan + aluminum heatsink |
| Number of Channels | 4 (bridgeable to 2 channels) |
| Warranty | 2 years (POWER amplifiers) |
Frequently Asked Questions - T8002 Rockford Fosgate
How do I wire the T8002 amplifier?
First disconnect the negative battery terminal. Connect the red power wire to the +12V terminal with a fuse within 18 inches of the battery. Connect the black ground wire to a clean metal surface on the chassis. Connect the REM wire to a switched 12V source (car stereo ignition). Finally, connect RCA cables and speakers respecting polarity.
What should I do if the protection LED (yellow) turns on?
The yellow LED indicates a short circuit or too low impedance. Check speaker connections with an ohmmeter. Ensure the total impedance is not below 1 Ω in stereo or 2 Ω in bridged mode. If the problem persists, turn off the amplifier and inspect the wiring.
How do I adjust the gain on the amplifier?
Turn the gain to minimum (counterclockwise). Increase the car stereo volume until you hear distortion, then lower it slightly. Then increase the amplifier gain until you reach the desired volume. For best signal-to-noise ratio, keep gain as low as possible.
What are the settings for the variable filter?
The filter can be set to high-pass (HP), all-pass (AP), or low-pass (LP). The cutoff frequency adjusts from 40 to 400 Hz (x1 mode) or 400 to 4000 Hz (x10 mode). Use the multiplier switch to toggle between ranges. Filter slope is selectable: 12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley.
How do I use the Para-Punch bass remote?
Connect the remote to the amplifier via the supplied RJ-45 cable. The left knob controls bass boost (0 to +18 dB). The right knob adjusts the center frequency from 35 to 70 Hz. Mount the remote in an accessible location using the supplied bracket.
Can I bridge the T8002 amplifier?
Yes, the amplifier is bridgeable. For 2-channel operation, press the 2/4 channel switch. Use only front inputs. Minimum bridged loads are: 4 Ω for 200 W and 2 Ω for 400 W. Do not go below 2 Ω in bridged mode.
What does the red thermal LED mean?
The red LED lights up if the amplifier reaches the third level of thermal protection. This occurs due to overheating (poor ventilation, too low impedance, high power). Turn off the system and let it cool. Ensure the amplifier has at least 1 inch of space around the heatsink.
How can I reduce alternator noise?
Route RCA and speaker cables away from power wires. Check ground connections: all must be clean and connected to the chassis. Add a second ground wire from battery to chassis. If noise persists, have the alternator and battery checked by a mechanic.
What type of fuse should I use?
The amplifier uses an ANL 150 A fuse. Always replace with an identical fuse. An inline fuse holder must be installed on the power wire within 18 inches of the battery, with an external 150 A fuse (not supplied). Never use a fuse of a different rating.
Where can I find spare parts or get my amplifier repaired?
Contact your authorized Rockford Fosgate dealer. For warranty service, call 1-800-669-9899 (USA) or your local dealer. Keep the receipt and serial number. Only authorized centers can repair the device under warranty.
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