PFMOD LP-1 (Low Pass)
$37.00
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PFMOD LP-1 (Low Pass)
Product Details
LP-1 (Low Pass)
The LP-1 series are low-pass filters used primarily to isolate bass frequencies for subwoofers .
- Function: Blocks high frequencies, allowing only the low-end "bass" signals to pass through to the amplifier .
- Typical Slope: 12 dB per octave .
- Common Uses: Used when an amplifier or head unit lacks a dedicated subwoofer crossover
- Adjustable Frequency Range: The module features internal factory jumpers that can be configured to select from 16 discrete frequency points ranging from 42 Hz to 200 Hz .
- Steep Crossover Slope: While standard FMODs use a 12 dB/octave slope, the LP-1 provides a steeper 18 dB per octave slope for its low-pass outputs . This allows for more aggressive attenuation of high frequencies, leading to cleaner subwoofer integration and less "localization" of bass.
Input and Output Configuration
The LP-1 is designed for flexible routing within a stereo or multi-channel system:
- Two Input Channels: Accepts standard stereo RCA line-level signals .
- Mono-Mixed Low Pass Outputs: Consolidates the low-frequency information from both input channels into a mono signal, ideal for driving a single subwoofer or a pair of mono-block amplifiers .
- Bypass Output Channels: Includes two full-range bypass outputs, allowing the original stereo signal to continue to a main amplifier or additional processing without signal loss .
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