Lowpass Filter Shootout (simple sweeps)

by Matttech Modular Demos

	/

	1.	Blue Lantern Diode 00:40
	2.	Blue Lantern LM4250 00:41
	3.	Cwejman S1 mk2 (LPF) 00:37
	4.	Cwejman S1 mk2 (MMF) 00:42
	5.	Doepfer a124 Wasp 00:40
	6.	Pittsburgh Modular Filter 00:41
	7.	Tiptop z2040 00:39
	8.	Vermona Retroverb Lancet (filter) 00:35

about

Whilst trying to downsize my Eurorack system a little I embarked on a filter shootout, and ended up recording the results.

The sound source is just a simple AFG tone (saw sub and pulse) into each filter in turn, with six sweeps through the frequency range with increasing resonance.

I have used a 24db (4 pole) LPF wherever possible, but it was impossible to match all the filters by mode, as some don't have 24db and some don't have 12db.

I have matched the cutoff as much as i can, and the range of the sweep.

I have also tried to get MOST of the different tones of resonance in - up to just before self-oscillation (if the filter does this). this is because self-osc tends to completely take over the sound otherwise, and jumps out at ridiculous volume...making for a fatiguing listen when comparing. All recordings have been normalised, but there may be differences in perceived volume due to peaks when at high resonance.

I have also tried to set each filter for pretty much its cleanest setting (some have input gain which drives the filter into a more overdriven tone - this is featured in the other set of recordings: "Lowpass FIlter Shootout (extended tweaking)"

credits

released June 19, 2013

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Matttech Modular Demos Manchester, UK

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