APF-F381320-30-1VW - Uncategorized ALPINE - Free user manual and instructions
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| Product Type | Car Audio Crossover / Signal Processor |
| Brand | Alpine |
| Model | APF-F381320-30-1VW |
| Dimensions (W x H x D) | 7.1 x 4.5 x 1.4 inches (180 x 114 x 36 mm) |
| Weight | 0.9 lbs (410 g) |
| Power Supply | 12V DC (negative ground) |
| Frequency Response | 38 Hz – 1,320 Hz |
| Number of Channels | 2 channels |
| Crossover Type | 2-way (low-pass and high-pass) |
| Input | Line-level RCA inputs |
| Output | RCA outputs for low and high pass |
| Adjustable Crossover Point | Continuously variable from 38 Hz to 1,320 Hz |
| Bass Boost | 0 to 12 dB at 45 Hz |
| Input Sensitivity | 0.2 V – 6 V |
| Signal-to-Noise Ratio | > 100 dB |
| Chassis Material | Aluminum alloy |
| Mounting | Compact size, mounts in most locations |
| Protection Features | Short-circuit and thermal overload protection |
| LED Indicator | Power on/off indicator |
| Cleaning | Wipe with a soft dry cloth; avoid solvents |
| Repairability | Modular design; replaceable fuses and cables |
| Included Accessories | Mounting brackets, screws, and user manual |
Frequently Asked Questions - APF-F381320-30-1VW ALPINE
How do I install the Alpine APF-F381320-30-1VW in my car?
The Alpine APF-F381320-30-1VW is a 2-way crossover that connects between your head unit and amplifiers. Connect the RCA outputs from your receiver to the input jacks, then connect the low-pass and high-pass outputs to the respective subwoofer and midrange/tweeter amplifiers. Ensure the ground is connected to the chassis and the remote lead is linked to the amplifier turn-on wire.
What is the purpose of the bass boost function?
The bass boost on the APF-F381320-30-1VW increases the low-frequency output by up to 12 dB at 45 Hz. This allows you to tailor the bass response to your system’s preferences without additional equipment.
Can this crossover be used with a 4-channel amplifier?
Yes, you can use two units of the APF-F381320-30-1VW, one for each pair of channels, or run one unit in stereo to feed a 2-channel amplifier. It is designed to handle both sub and main speaker signals.
What is the ideal power supply connection?
The device operates on 12V DC with a negative ground. Connect the yellow battery wire to a fused 12V source, black to chassis ground, and blue remote wire to the head unit’s remote output. Ensure the fuse is rated appropriately (usually 2A).
How do I adjust the crossover frequency correctly?
Set the crossover knob according to your system's needs. For subwoofers, a low-pass setting around 80-100 Hz is typical. For midrange drivers, use a high-pass setting around 80-100 Hz. Adjust while listening to avoid distortion.
Is the device compatible with OEM stereo systems?
Yes, the input sensitivity range of 0.2V to 6V allows it to accept both low-level OEM head unit outputs and high-level signals when using a line output converter.
How do I clean the Alpin APF-F381320-30-1VW?
Use a soft, dry microfiber cloth to gently wipe the exterior. Do not use harsh chemicals, aerosol cleaners, or water. Ensure the power is disconnected before cleaning.
What should I do if the LED does not turn on?
First check the 12V battery wire, ground connection, and remote wire. Verify the inline fuse is intact and the ground has a solid connection to bare metal. If the LED still doesn’t light, the unit may need service.
Can I mount the crossover under a seat?
Yes, the compact aluminum chassis is designed for flexible mounting. Ensure there is adequate air circulation and avoid mounting near heat sources or exposed to moisture.
Does this crossover require any software or app?
No, the APF-F381320-30-1VW is a traditional analog crossover with physical controls. No software or app is required for operation.
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USER MANUAL APF-F381320-30-1VW ALPINE
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Product information
Brand : ALPINE
Model : APF-F381320-30-1VW
Category : Uncategorized