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F-MODS

In-line crossovers (200 Hz low-pass)

Item # 069900063

Item # 069900063

This item is no longer available.

About the F-MODS

Simply plug F-MODS crossovers in-line with the patch cords feeding your amplifier. They filter out unwanted frequencies, with a 12 dB per octave slope. Low-pass models let frequencies below the cut-off point through and filter out the highs. High-pass models let frequencies above the cut-off point through and filter out the lows.

What's in the box:

  • 1 Pair of F-Mod crossovers (200 Hz Low Pass)

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F-MODS Reviews

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Cons:

Crutchfield response

More details on the F-MODS

Mark G.

Product Research

Features

Overview: The F-Mod (filter module) is an active crossover simulator, made by Harrison Laboratory, that connects in-line with your RCA patch cords. They require no power, and can be combined with other types of crossovers to change the slope and crossover frequency point. F-Mods have virtually no noise or distortion, and do not cause turn-on thumps. F-Mods can handle a maximum signal of 10 volts RMS, and have a slope of 12dB per octave.

Construction: The F-Mod is made of brass with 24 kt gold plating.

Color Codes: The manufacturer's label is silkscreened on the barrel of the device in two colors. A red label indicates a high pass filter, while black indicates a low pass filter. A colored ring near the male RCA end of the barrel indicates the frequency of the filter (-3dB). There is a frequency increase at 10K ohms (8% Low-pass, 25% High-pass) and a frequency decrease (8% Low-pass, 15% High Pass) at a 47K ohm load. A high-pass F-Mod and a low-pass F-Mod can be combined for bandpass operation.

Frequency Codes: The available F-Mods frequencies are:

Frequency Band Color Frequency (Low Pass) Frequency (High Pass)
@10K @47K @10K @47K
50 Hz Brown 54 Hz 46 Hz 62 Hz 43 Hz
70 Hz Purple 76 Hz 65 Hz 87 Hz 60 Hz
100 Hz No Band 108 Hz 92 Hz 125 Hz 85 Hz
200 Hz Blue 216 Hz 184 Hz 250 Hz 170 Hz
500 Hz White 540 Hz 460 Hz 625 Hz 425 Hz

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