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Harrison Labs FMOD Inline Crossover Pair 70 Hz Low Pass RCA

Overview
FMODs™ feature a 12 dB per octave crossover slope and are compatible with all RCA type input amps. Sold in pairs.
Part # 
266-252
Weight: 0.0908 lbs.  
IN STOCK
Your Price
$25.90
Buy 4-up$23.55
Part # 266-252
Qty:  PR
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Product Details

Harrison Labs FMOD Inline Crossover Pair 70 Hz Low Pass RCA

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.



Product Specifications
  • Crossover TypeLow Pass
  • ConfigurationInline Line Level
Harrison Labs FMOD Inline Crossover Pair 70 Hz Low Pass RCA
  • BrandHarrison Labs
  • Part Number266-252
  • UPC844632053146
  • Product CategoryIn-Line Crossovers
  • Unit of MeasurePR
  • Product Rating
    (5 Reviews)
  • Weight0.0908 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Harrison Labs FMOD Inline Crossover Pair 70 Hz Low Pass RCA
Harrison Labs FMOD Inline Crossover Pair 70 Hz Low Pass RCA is rated 5.0 out of 5 by 5.
Rated 5 out of 5 by from Used with TK2050 amp board for sub xoverI used these in my garage stereo set up by putting these on 2 channels of the TK2050 Class-T Digital Audio Amplifier Board and fed them to some closed enclosure woofer bins with Dayton classic 8" woofers in them and sent a full signal to some Tri Trix speakers in sealed enclosures and have the TriTrix on an Axxess AALC 2-Ch Remote Level Controller for tone control since the TriTrix are more sensitive. Works GREAT!! It was definitely more convenient than a separate sub woofer amp and of course the price of a passive crossover at that low of hz would cost way too much.
Date published: 2014-04-20
Rated 5 out of 5 by from Brings out the BASS!!For years I've tinkered around with bass/bandpass subwoofers only to be disappointed by the muddy sound due to higher frequencies being reproduced. I wanted a sound that rounded out the lowest bass frequencies of the free standing 3-way 12" Klipsch's I'm using without being muddied! Lately my issue has been what to do with unused amps and subs. I'm a man on a budget and these 70 HZ FMODs fit the bill for the kind of bass sound I had been searching for!I'm presently using an older Carver HR752 to drive my system, and an old Sony receiver to drive just the sub with these FMOD's from Parts Express inserted in the inputs to the Sony. I am very impressed with the sound! The sub now produces only the lowest frequencies you can feel, coupled with the Klipsch's I'm using provides me with a very pleasant and loud (enough for me anyway) clear sound for movies and music programming. It's not all about how loud, but how dynamically clear the music is which is why I still employ my Carver. It just sounds good to me.My system may be the "Millenium Falcon" of HT, and now with the FMOD's, it kicks butt until I can afford the entire HT system I need.
Date published: 2012-05-10
Rated 5 out of 5 by from PLUG AND GO!!I have an "old school" HiFonics Thor VII amp. It has no built in crossovers. I bridged the amp mono to run my single MTX T45 Sub. I had voice highs coming thru the sub. I read up on crossovers and came across these. Read reviews on how well they work. So I purchased them to see. I received 2 in the package (only used one due to wiring my amp mono. Other one is a spare). Plugged it in BEFORE the amp and presto!! The highs and mids coming thru were gone!!Very simple. I highly recommend this product.
Date published: 2010-03-04
Rated 5 out of 5 by from SIMPLE SOLUTIONS FOR EQ PROBLEMS!GREAT PRODUCT AND SO SIMPLE TO USE SOLVES A MULTITUDE OF PROBLEMS QUICKLY!
Date published: 2009-10-26
Rated 5 out of 5 by from Outstanding Low Pass Filter For SubCould not use a active filter due to CDI noise injection into the system. This filter removed the muddy sub sound by removing the unwanted frequencys before amplification. Achieved great bass response with these.
Date published: 2009-09-22

Product Q&A

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Harrison Labs FMOD Inline Crossover Pair 70 Hz Low Pass RCA

If i use the 70hz for subs...

...what would be recommended in a high pass for my mains? i am running dahlquist dq-12s as mains in a stereo/music only setting. they drop of around the mid 50s (sealed 8" woofers), fed by a 35-ish rms per channel tube amp. the subs are going to be (passives i'm building atm) powered by a tube pre/solid state 2 channel pro amp, signals for both mains and subs out from a dac attached to my computer.
Asked by: m.oreilly
my preferred crossover point is between 100 and 125 hz.
Answered by: Nitnub
Date published: 2013-10-14

Fmod slope increase.

If you put 2 in series (ex. 70 hz low pass) does the slope double to 24 db/oct starting at 70 hz ? Thanks, Stan
Asked by: Stan 6969
Stacking these, with an attenuator, would give you 35 Hz Lowpass (according to Harrison Labs website).www-hlabs-com/technical/crossovers/
Answered by: Circuitsoft
Date published: 2014-08-21

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