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SEM filter from Doepfer
Doepfer now make a vast range of different filters, each with a different character. Many of them are based on "classic" filters from old analogue synths by such famous manufacturers as Moog and Oberheim, and this module is an example of the Oberheim SEM filter. It provides high and low pass outputs and a band pass too, and by mixing the first two a notch filter effect is available. Doepfer state on their website that the filter does not self-oscillate (in keeping with the original model it is based on) but there is a simple modification that you can do which will provide this facility if you want to. Doepfer are actually very good at publishing suggested modifications to some of their modules, with the the proviso, of course, that you will void the warranty if you do modify the equipment. In my opinion this is one filter that every modular set up should have, not least for it's ability to introduce a pleasant mild distortion to the sound when overdriven.
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A
Natural sounding filter
Very smooth filter and very easy to use. The filter does not self resonate but has a warm soft peak. The input will overdrive so a meaner side to the filter can be pushed forward too. A very reasonable price and very fast and pain free delivery. Thanks Thomann
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SEM
Great sound to the resonance/drive. The build is great and it's nice it has two cv inputs. However I wouldn't get this as the only MMF filter in my rack, but as an alternative MMF, because the mix knob when set to LP will bleed some HP noise through.
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MQ
Warm and rounded
I bought the a106-5 without high hopes for it, but it is capable of some really nice warm tones. Overdriving it especially can be beautiful and it responds really well to modulation. Having two audio outputs also means can create a feedback path to the the cutoff cv in for self modulation (I like using the bandpass to modulate cutoff and take the audio from the lowpass for instance).
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Great sounding filter
A very nice sounding filter, pleased I have this in my set up. I have lots of synths, but I'm very new to modular. So far I have been very impressed with the doepfer modules. 1 because they sound good, but 2 because they are also pretty good value for money.
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MD
Quality SEM filter.
Incredible value for the money !!
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Y
Great SEM-filter
It sounds like a SEM to my ears. I am sure more pricey options can get you "closer" or with slightly less measurable noise, but this is an excellent sounding filter.
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A
Very nice sounding filter module. Cutoff frequency seems to work in range from 100 Hz to 8kHz so choose other module if you want the sound disappear in high-pass mode. Also band reject mode would benefit steeper slope than 12db/oct for more trancy notch sounds. Note that this module is best at toning the sound rather than making effects.
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A
Excellent filter, especially considering the ?74 price.
I find the Low Pass/ High Pass mix option especially useful.
Also the low pass can really push out some heavy low end when the frequency is turned down.
I find the Low Pass/ High Pass mix option especially useful.
Also the low pass can really push out some heavy low end when the frequency is turned down.
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