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Harrison Laboratories




Harrison Labs is a USA manufacturer that specializes in products for the car audio market. Initially we will be stocking their attenuators and filter modules as they have application in the hi fi arena, particularly for enthusiasts of multi-amplifying speaker systems. Please email us if there are other products in their range you would like us to supply.  Their website is www.hlabs.com

The FMODs are available in high pass and low pass from 50Hz to 6500Hz.








HARRISON LAB FMOD 50Hz low pass (pair)

Product Code: 900060


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HARRISON LAB FMOD 50Hz high pass (pair)

HARRISON LAB FMOD 50Hz high pass (pair)

Product Code: 900074
FMOD Crossover Pair 50 Hz High Pass
What is an FMOD™? The FMOD™ is an active crossover simulator. It is better than a much more expensive electronic crossover that requires power to operate. FMODs™ are packaged in pairs and can be combined with other FMODs™ to obtain bandpass ranges or with other types of crossovers to change the slope and crossover frequency point. FMODs™ feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps...simply place the FMOD™ in-line with the patch cable running between the source (head unit) and the amplifier. 24kt gold over brass construction, 10 volts maximum RMS input. One-year manfacturer warranty. Made in the U.S.A.


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HARRISON LAB FMOD 70Hz high pass (pair)

HARRISON LAB FMOD 70Hz high pass (pair)

Product Code: 900075
FMOD Crossover Pair 70 Hz High Pass
What is an FMOD™? The FMOD™ is an active crossover simulator. It is better than a much more expensive electronic crossover that requires power to operate. FMODs™ are packaged in pairs and can be combined with other FMODs™ to obtain bandpass ranges or with other types of crossovers to change the slope and crossover frequency point. FMODs™ feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps...simply place the FMOD™ in-line with the patch cable running between the source (head unit) and the amplifier. 24kt gold over brass construction, 10 volts maximum RMS input. One-year manfacturer warranty. Made in the U.S.A.


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HARRISON LAB 12dB attenuator (pair)

HARRISON LAB 12dB attenuator (pair)

Product Code: 900087
Attenuators reduce the drive signal to an amplifier so that the input level or gain control can be adjusted in a more useful range. For example, if the line driver has an 8 volt output and the amplifier has a 100mV (0.1V) to 2 volt range of input level, the gain pots would have to be all the way down. A 12 dB attenuator would allow you to adjust the amp's gain control to about 1/2 rotation. Many home A/V receivers and basic amplifiers do not have input level controls and attenuators are also perfect for these applications. Sold in pairs. 24 kt gold over brass construction. One-year manufacturer warranty. Made in the U.S.A.

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HARRISON LAB 6dB attenuator (pair)

HARRISON LAB 6dB attenuator (pair)

Product Code: 900086
Attenuators reduce the drive signal to an amplifier so that the input level or gain control can be adjusted in a more useful range. For example, if the line driver has an 8 volt output and the amplifier has a 100mV (0.1V) to 2 volt range of input level, the gain pots would have to be all the way down. A 12 dB attenuator would allow you to adjust the amp's gain control to about 1/2 rotation. Many home A/V receivers and basic amplifiers do not have input level controls and attenuators are also perfect for these applications. Sold in pairs. 24 kt gold over brass construction. One-year manufacturer warranty. Made in the U.S.A.

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HARRISON LAB 3dB attenuator (pair)

HARRISON LAB 3dB attenuator (pair)

Product Code: 900085
Attenuators reduce the drive signal to an amplifier so that the input level or gain control can be adjusted in a more useful range. For example, if the line driver has an 8 volt output and the amplifier has a 100mV (0.1V) to 2 volt range of input level, the gain pots would have to be all the way down. A 12 dB attenuator would allow you to adjust the amp's gain control to about 1/2 rotation. Many home A/V receivers and basic amplifiers do not have input level controls and attenuators are also perfect for these applications. Sold in pairs. 24 kt gold over brass construction. One-year manufacturer warranty. Made in the U.S.A.

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HARRISON LAB FMOD 2500Hz low pass (pair)

HARRISON LAB FMOD 2500Hz low pass (pair)

Product Code: 900066
What is an FMOD? The FMOD is an active crossover simulator. It is better than a much more expensive electronic crossover that requires power to operate. FMODs are packaged in pairs and can be combined with other FMODs to obtain bandpass ranges or with other types of crossovers to change the slope and crossover frequency point. FMODs feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps...simply place the FMOD in-line with the patch cable running between the source (head unit) and the amplifier. 24 kt gold over brass construction, 10 volts maximum RMS input. One-year manfacturer warranty. Made in the U.S.A.

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HARRISON LAB FMOD 2500Hz high pass (pair)

HARRISON LAB FMOD 2500Hz high pass (pair)

Product Code: 900080
What is an FMOD? The FMOD is an active crossover simulator. It is better than a much more expensive electronic crossover that requires power to operate. FMODs are packaged in pairs and can be combined with other FMODs to obtain bandpass ranges or with other types of crossovers to change the slope and crossover frequency point. FMODs feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps...simply place the FMOD in-line with the patch cable running between the source (head unit) and the amplifier. 24 kt gold over brass construction, 10 volts maximum RMS input. One-year manfacturer warranty. Made in the U.S.A.

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HARRISON LAB FMOD150Hz low pass (pair)

HARRISON LAB FMOD150Hz low pass (pair)

Product Code: 900048
What is an FMOD? The FMOD is an active crossover simulator. It is better than a much more expensive electronic crossover that requires power to operate. FMODs are packaged in pairs and can be combined with other FMODs to obtain bandpass ranges or with other types of crossovers to change the slope and crossover frequency point. FMODs feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps...simply place the FMOD in-line with the patch cable running between the source (head unit) and the amplifier. 24 kt gold over brass construction, 10 volts maximum RMS input. One-year manfacturer warranty. Made in the U.S.A.

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HARRISON LAB FMOD 150Hz high pass (pair)

HARRISON LAB FMOD 150Hz high pass (pair)

Product Code: 900072
What is an FMOD? The FMOD is an active crossover simulator. It is better than a much more expensive electronic crossover that requires power to operate. FMODs are packaged in pairs and can be combined with other FMODs to obtain bandpass ranges or with other types of crossovers to change the slope and crossover frequency point. FMODs feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps...simply place the FMOD in-line with the patch cable running between the source (head unit) and the amplifier. 24 kt gold over brass construction, 10 volts maximum RMS input. One-year manfacturer warranty. Made in the U.S.A.

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HARRISON LAB FMOD 30Hz sub-sonic filter (pair) high pass

HARRISON LAB FMOD 30Hz sub-sonic filter (pair) high pass

Product Code: 900059
What is an FMOD? The FMOD is an active crossover simulator. It is better than a much more expensive electronic crossover that requires power to operate. FMODs are packaged in pairs and can be combined with other FMODs to obtain bandpass ranges or with other types of crossovers to change the slope and crossover frequency point. FMODs feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps...simply place the FMOD in-line with the patch cable running between the source (head unit) and the amplifier. 24 kt gold over brass construction, 10 volts maximum RMS input. One-year manfacturer warranty. Made in the U.S.A.

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