Filters
 

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Page started 3rd May 2009, again based on the Synthtopia listing

Doepfer's filter offering is too extensive to list in full without wishing I hadn't started, so I won't.

Source and model Price

Width HP

Power ma Notes
DoepferA-101.1 119 16 30 Vactrol Multi-type Filter
            A-102 73 8 30 Diode Voltage Controlled Filter
            A-103 VCF6 73 8 30 Voltage Controlled Low Pass Filter
            A-104 119 20 30 "Trautonium" Quad resonant filter
            A-105 92 8 30 SSM Voltage Controlled Low Pass Filter
            A-106.1 101 14 30 Xtreme Filter (based on Korg MS20)
            A-106.5 69 8 30 12dB SEM Filter (based on Oberheim)
            A-106.6 257 12 tba 16-Fold Voltage Controlled Xpander Filter
            A-107 137 26 200 Multi Morphing Filter
            A-108 VCF8 110 12 40 Voltage Controlled Low Pass Filter
            A-120 VCF1 82 8 30 Voltage Controlled Low Pass Filter (24dB/4-pole)
            A-121 VCF2    137 12 30 Voltage Controlled Multi Mode Filter (12dB/2-pole)
            A-122 VCF3    73 8 20 Voltage Controlled Low Pass Filter (24dB/4-pole)
            A-123 VCF4    110 8 20 Voltage Controlled High Pass Filter (24dB/4-pole)
            A-124 VCF5 69 8 30 Voltage Controlled Multi Mode (Wasp Filter)
            A-127 156 28 100 Triple Resonant Voltage Controlled Filter
            A-128 147 28 100 15 Stage Fixed Filter Bank
Analogue Solutions SY02 99     Multimode filter with VCA, MS20 clone plus VAT
            SY03 79    

VC low pass filter and VCA in one module. The VCA is hard-wired in series after the filter output. The filter is a transistor ladder 'Moog' type filter. Resonance can be set to feedback. plus VAT

Analogue Systems RS100 100 12   Moog type ladder filter VCF (LPF).
New completely designed mk 3 ladder filter. Superb sounding low pass filter giving that authentic vintage Moog type sound
            RS110 110 18   Multi-mode filter: notch, band, low, high pass filters. 2xCV (inc. level pots), 2xAudio (inc. level pots), Resonance (with i/p point between frequency and resonance for introducing delay lines on feedback loops). (Outputs: Notch, Band, Lo, Hi, Resonance).
            RS120 110 12   Comb filter (phaser/flanger)
            RS210 95 12   Fixed filter bank
            RS215 115 12   Eight Octave Filter
            RS360 235 24   Improved version of the best selling FB3 Filter Bank
            RS400e 120 12   Genuine Ems synthi filter. This legendary filter can be switched between pre1974 and post 1974 filter type and response. For the first time response can be voltage controlled which was designed on the circuit board but not available on the matrix. This module is made under license from Ems.
Bananalogue - - - not found
Bubblesound SeM20 $199 14 70 multi filter
2 pole state variable filter
12db high pass, low pass and notch filter
6db band pass
self oscillation in all modes
2 cv frequency inputs with attenuators
notch filter balance sweeps between high and low pass
Cwejman DMF2 $590     The DMF-2 is a dual mode and dual slope filter. The DMF-2 emulates the familiar low pass filter in 4 pole mode and expands sonic potential by adding a unique designed 6 pole low pass mode and quasi and pass mode.

Both filters (A and B) are identical and can be controlled separately and by master inputs for the cutoff (CM A+B). The audio outputs from both filters are combined (LPF A+B and BPF A+B) with dual resonance (peak and offers "formant" shaped sounds in low pass and band pass mode. Filters has an individual audio input and additionally combined input (AUDIO A+B).
            MMF1 $495     the mmf-1 is the most flexible single filter. additionally, the solution with variable spacing (bandwidth) and two variable resonance peaks make it possible to create various vocal like sounds.
the multi mode filter offers seven types of modes:
* low pass
* high pass
* band pass
* dual band pass with dual resonance (q-peak) and controlled bandwidth by spacing
* dual band pass with single upper resonance (q-peak) and controlled bandwidth by spacing
* dual band pass with single lower resonance (q-peak) and controlled bandwidth by spacing
* notch with single or dual resonance (q-peak) and controlled bandwidth by spacing
Cyndustries Synthacon filter $285     Nyle Steiner collaborated heavily with us on this Designers Tribute Series project to finally bring you something ~really~ new in a filter!

Its sound has a unique raspy timbre quite unlike other filters, and we've added an exclusive voltage controlled resonance input to the original circuit for lots of gutsieness, as well as what may well be the most radically new input mixing structure seen on a filter yet...
          Twin Wasp filter sold out     Nyle Steiner collaborated heavily with us on this Designers Tribute Series project to finally bring you something ~really~ new in a filter!

Its sound has a unique raspy timbre quite unlike other filters, and we've added an exclusive voltage controlled resonance input to the original circuit for lots of gutsieness, as well as what may well be the most radically new input mixing structure seen on a filter yet...
Elby Designs Synthacon filter $159   15 This module is a "tribute" module, based on the awesome Steiner-Parker Synthacon VCF
Flight of Harmony Plague Bearer $88     the plague bearer is called a filter, but that is just a description of the circuit topology, what it can actually do goes way beyond that. it has been described as a filter, a mangler, a crusher, and - my favorite - as an "fsu module".
i think calling it a filter may be a bit misleading, but i have no idea what else to call it. it is a filter, but it does more (all at the same time, really ) excessive phase shifting, waveforming, ringing, formant generation, and so on. i guess it could be called a waveform modifier or enhancer, but those don't sound good either. i called it the plague bearer for a reason.
it is designed to infect, corrupt and pervert a signal beyond recognition
Future Sound Systems - - - no filter
Harvestman Polyvoks $195 10   The Harvestman is proud to present the first widely available modular
release of the Polivoks filter circuit. The filter is made via a collaboration with the synth's original designer, Vladimir Kuzmin, and Shawn Cleary of Analogue Haven. The filter circuit is identical to the original
design and uses the exact same schematic as the Polivoks synthesizer as well as new old stock Soviet integrated circuits (KR140UD1208 and KR140UD608, not Western "equivalents"). A signal mixer and bipolar CV
multiplier were added in order to use the filter within the modular realm
but no other additions are present. This helps to preserve the unique and
unstable sound character without compromising signal flow authenticity.
Livewire Frequensteiner $225 16 10 This is one monster of a filter...
Although little was known about this ultra-phat filter until recent years, the Steiner multi-mode VCF now needs little introduction.
The Livewire offering however is the authorized exclusive re-release of the SYNTHASYSTEM multimode filter, which differs from the Synthacon's as it incorporates a unique resonation circuit and an expanded diode ladder. And in keeping with it's initial design, the Livewire FrequenSteiner incorporates all discrete components in the filter core (no ICs) and a single input which is switch selectable for low, band or highpass output taps
Makenoise - - - no filter
Metasonix r-52 multimade filter $325     the r-52 uses two pentodes, type 12au6. the circuit is derived directly from our award-winning tm-2 filter, but with all the features of our tm-6 filter. a pair of bandpass filters is swept with a vactrol(tm) control element, a resonant treble filter and a less-resonant bass filter, giving a 4-pole lowpass response.
MFB $125     the 24db vcf (voltage controlled filter) module is a lowpass-filter that follows the famous cascade invented by moog.
Plan B Model 11 $260     Evil Twin Bandpass filter
You want a pretty filter? Go play somewhere else.
The Model 11 Evil Twin Bandpass Filter is the antithesis of the Model 12 Multimode. While it can be harnessed into calmer states, when left to itself it'll rip your ears, speakers and nerves to shreds.

Truly schizophrenic, the manual and VC controls of the 11 have been scaled a bit past normalcy and into its extremes. Picture a Moog 904-C after twelve cans of Monster. In short, you may want to keep the lights on while using it.
         Model 12 $220     Mark II State Variable Vactrol Filter
A
creamy-smooth two pole, vactrol driven State Variable multimode filter with simultaneous outputs for lowpass, bandpass, highpass and allpass taps. Independent controls for both resonance and bandwidth yield a plethora of sonic possibilities, from in-your-face wah to subtle spectral coloring.
Tiptop - - - no filter

 

 

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