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Look up onMetasonix R-52 (R52) vacuum tube multimode filter for Eurorack: an analog valve filter (VCF) with two tubes for your modular synth. Input level, response (lowpass / bandpass / bass only), tuning offset and resonance controls, range switch, sweep CV and resonance CV inputs, audio in and out. Discontinued.Tested and working, tubes included. Check your power budget, tube modules need more current than usual. Ships within the EU only, well packed. Local pickup in Helsinki is also possible.

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