Electrix Filter Factory

Electrix Filter Factory

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Filter Factory, Filter from Electrix.

8 user reviews

Electrix Filter Factory tech. sheet

  • Manufacturer: Electrix
  • Model: Filter Factory
  • Category: Filters
  • Added in our database on: 04/21/2002
  • The buzz section gives you everything from a bit of extra punch right through to the "in your face" sound.
  • Similar to the old hybrid synths of the 70's, FilterFactory is a true analog filter design with digital control.
  • Extreme resonance and cutoff frequency control canmake any frequency sub-basement low or stratospheric with mind numbing self-oscillation.
  • Four Filters in one. Choose between Low pass, High Pass,Band Pass, and Notch filters.
  • Five waveforms to choose from: saw tooth, inverse saw tooth, triangle, square and random.
  • All synch to Tap Tempo or MIDI clock. Single Shot ADSR emulator lets you play the filter without needing a keyboard.
  • Filter's CV input allows most old monosynths to control the FilterFactory's frequency and track the notes you're playing.
  • 4 pole provides a big beefy Mono sound. 2 Pole provides a more controlled stereo signal.
Technical specifications

CV Input: allows most old monosynths to to control FilterFactory's frequency and track the notes you're playing.
MIDI: In/Out/Thru with selectable MIDI channel
Footswitch Control: tap tempo, bypass, filter momentary
Frquency Response: 10Hz - 20Hz +/-0.5dB
Dynamic Range: >90dB
THD: <0.3%
I/O: Stereo balanced 1/4" and RCA +4dBu inputs and outputs with phono preamp
Max Input/Output: +16.0dBu

Unit size: 19W x 3.5H x 3.5D
Durable aluminum chassis
Slip-free anodized aluminum knobs
Unique rackmount/tabletop design
Custom springloaded/backlit buttons


Electrix Filter Factory user reviews

Average Score:5.0( 5/5 based on 8 reviews )
 8 reviews100 %

moosers's review

Electrix Filter Factory
The Electrix Filter Factory is an analog piece of outboard gear that has 1/4 inch connections as well as MIDI connections.  The unit is rack mountable and will take up two rack spaces.


The make up of the Electrix Filter Factory is pretty easy to follow, but there is a lot of room to play around with here since there are a number of different sections each containing their own parameters.  The are sections for buzz, stereo filter, and LFO, each with own parameters - and there are a good amount of them.  It will take a few minutes to get used to how all of the parameters work, but everything is pretty self explanatory as long as you know the terminology generally involved with filters like this.  I haven't seen the manual for the Electrix Filter Factory, so I can't say how well put together it is or not. 


The sounds that are possible with Electrix Filter Factory are extremely diverse, but no matter how you set the parameters it has a warm and realistic tone.  I have used this device for all sorts of applications including vocals, electric guitars, keyboards, and anything else that I might want to experiment with.  While this isn't a device that is a necessity by any means, it offers a lot of options and is capable of getting some really interesting and cool sounds.  This isn't a typical filter device and as long as you know this going in, you're going to have a lot of fun using it.


I've been using the Electrix Filter Factory for about three years or so and I'm definitely a fan of this.  I've liked all of the outboard gear that I've used made by Electrix as they offer an interesting take on effects.  This an extremely versatile piece of gear and will certainly bring a lot to the table for those looking to experiment with filtering.  The price is definitely reasonable and makes it a suitable item for any studio owner.  While I can't say I would recommend this to everyone as it isn't an essential, if you are looking to spice things up a bit, definitely check out the Electrix Filter Factory.

beussei's review (This content has been automatically translated from French)" just huge"

Electrix Filter Factory




very effective.



Anonymous 's review (This content has been automatically translated from French)"The dessert of my synth"

Electrix Filter Factory
- This is a 2 rack units offering preamp section / drive, a filter section ANALOG (yes, it&#39;s true what it is that these stories ???) stereo (LP / HP / BP / Notch) with LFO and envelope follower (very successful) and a wet dry run its course. Everything is digitally controlled but I insist filters are 100% analog. The distortion is it digital.
- The Filter Factory offers a complete connection: RCA in / out (with pre-amplification for turn your disk), jack (balanced) in / out, triplet pm (OUF A THRU !!), CV inputs (to control freq. cool) and a foot switch input for ...!
- Facade, the unit has 7 rotating and 11 buttons. They are dedicated to the engagement of each section ("committed") to select the type of filter, the waveform LFO / approx. follower at the time division (super effect!) and bypass. The machine offers 3 large illuminated buttons flanked by screen printing "Momentary", as the name suggests it will be to start a section for a short time (the effect is audible all the time that we build on button, then disengages when released).


In use, the Filter Factory is proving very ergonomic, saw the choice of format inclined rack which in use desktop offers to have good access controls. These are divided logically and in an ideal space to handle them without interfering with other commands: practice.
The setup is more than simple: a = a rotating function, which makes editing very nice and finally passes only good time.
MIDI is a big plus here it will allow to calibrate the LFO with a source, but also to edit and save each movement / support on the interface, for those who like to record automation is nickel.
The LFO is fantastic and really complete (5 waveforms and an envelope follower), it allows the effects of crazy self-oscillation, vivid dub and obscure stuff! The big plus of this section and the "clock divider" it&#39;s going to allow temporal variations nifty well, we can reproduce the type of stroke stuttering effects or lo-fi. This section makes it much more versatile than many other filter device. Special mention to the envelope follower absolutely perfect! It allows really good effects funcky the P. Funk (Parliament), the synth bass to DMX Krew or quirks in the Hieroglyphic Being.


- The first section is called "buzz", it is actually a preamp section with a floor of distortion (or drive, I&#39;m not sure). Let&#39;s be honest, this section is not really the highlight of the set, I managed to grow and dirty low a Mopho Keyboard, but in most cases it is "rather ugly" click ca as some kind of distortion sound, not gégé, but on others it is sometimes very pleasant. Do not expect a versatile floor distortion and violent, you either love the result is pass, because honestly useless to seek "the" sound distortion for ages, here is what is beautiful, or it is ugly, and for me it is often unusable as beautiful. However, the rotary will TRIM many services, meanwhile.
- The filter section is the heart of the beast is simply a success, this section alone made me say to me "but why have they stopped doing that kind of périf these dudes." This is an analog filter, so 14bit digitally controlled, which allows the assembly to be rather fluid (no staircase effect unless you want it with the LFO + square, lol).
The filter is very accurate, so it allows to search the detail with great precision and ease. The resulting sound is rather soft in some cases it made me think this: http://www.aftouch-cuisine.com/images/recettes/Creme_brulee.jpg
And seen as I&#39;m a fucking greedy, this is a good sign!
The filter between very easily into self-oscillation, it really do not push the front reso start raving like a madman on FX genre dub (siren, alarm), disco (LFO), sci-fi etc, etc. I made a bank crossed only with the filter sounds. So watch your noreilles and your monitors, because past the first quarter already it starts to sing.
A note, and I found this VERY IMPORTANT point no drastic loss of signal when opening the resonance, on the contrary, this filter is in the pafait or groups.
In some situations, I preferred my other filters, for example, I used an analog synth through the filter rather than the curtis synth, and the result was really interesting in some cases, more than the filter proposed in the synth in question.
The notch provides a rather soft and organic phaser, not bad but not violent. Each type of filter is very successful, the versatility of the fact that all big it is always on.
I said that I needed a stereo filter to stick to the Streichfett module that is sorely lacking, the result is a success ass, I leave everything to attack a Timeline, I call all of my three devices "super combo Detroit" ...


- I received yesterday morning I spent a few hours at night and return to the (sample / synth / to / insert ...).
- I and I tried many filters before.
- The big plus ca is the sound, of course, and the interface, which although ugly (what is this rotten persimmon there) is great ingénierée (I know, I know), MIDI (with thru s&#39; please) and the envelope follower / lfo.
- What I like least, khaki interface rather ugly as a military ...
- Initially I had gone on a MFC 42, I end by cop, but I pulled this one out of desperation, but ultimately I am so happy!
Nissan Fairlady12/07/2011

Nissan Fairlady's review (This content has been automatically translated from French)

Electrix Filter Factory
Once and for all, this filter is an analog filter. What are these stories? the filter is analog with digital controls, which allows you to control all parameters via MIDI CC. it is rackable, construction is extremely robust, and it is green. the "distortion at the beginning of a string is just sucks. it can serve as signals to preamp a little weaklings but then attention to the breath. better be worth a swing at the right level and pass on this floor there. for the saturated ... find another solution. this filter is not an overdrive.

effect types: low pass filter, high pass, band pass or band. resonance and LFO.


the general configuration is not as simple as that. we must look at its LEDs. you really have to ensure that the LEDs for input and output are both green. if they do not light, it is not good and the effect will not be effective, you will hear a slight hiss filtered at the rate of the LFO. not great. if they turn red, the sound saturates, and the distortion is not beautiful. when it has settled its input gain, and to monitor its resonance, it was a very nice effect, very convincing, very clean. (One line level output that makes the green for example, but with a preamp before it can exceed the signal.Le monotron however, see below, is a bit feeble)

Since all parameters are automatable via its preferred daw, there will be no problem to avoid unsightly peaks. it is sufficient to lower the resonance a tad when it gets stuck, for example. No panic for those who want to use it live, a tap tempo very reactive and adjusting the tempo divisions are there to prop up the LFO has the right frequency, when forcing the resonance, it will just hurt the ears of the public. careful course reso thoroughly and passes down into the grave = BANGING Boomer.

the manual is well done and is available online and in PDF. The most important is the implementation noon. it is clearly noted.


I love the sound. it is very hot, a little EQ will also no harm in going down because he really do big bass. lovers infra, of wobble bass will be in heaven. those who want to tumble down them beats the confines treble will not be outdone, in short, he does what is asked of a filter, and it does it well. I find that by a lfo subtle, even a grain is added to an analog VST too synthetic, which was provided to want to leave the PC for a little perfectionist rerentrer course, but provides a real more, and it can stand out.

I love the sound of this unit, able to transform a toy like 40 euros monotron for example, war machine dubstep. (With a few pedals between the two What huh ...)

I put 10, because that's what we want to filter.


I use it for 2 years I think. I 'have tried any model before buying it, but I compare it with the auto filter live 8, bin it is fatter, more authentic, but also less accurate, of course.

feature I love most: the LFO. Playing with spleen or depth to create low dull, round, and to abyssal depths.

the OCCAZ is 150 euros. No hesitation, get open.

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