The Boomstar Modular SEM filter provides simultaneous high pass, low pass, and band pass outputs, all with a 12 dB/oct slope. In very good condition with light wear, includes original box. One tiny chip on the Frequency knob (see pic).

12hp x 39.7mm

(Consignment)

Manufacture Info

Sensei Caswell: "Our SEM is known as a 'Voltage Controlled State Variable Filter' because it provides simultaneous high pass, low pass, and band pass outputs, all with a 12 dB/oct slope. The notch is the inverse of the bandpass, achieved by summing the low pass and high pass outputs. This version is a combination of the original SEM filter and the newer design from the OBX, along with improvements by SE. It has a modest current draw, which it pulls evenly from the plus and minus rails."

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