Bedroom Producers Blog has announced the release of the BPB Dirty Filter, a freeware tube dis\ I otortion effect plugin for Windows and Mac.

It features a pair of resonant filters that can distorZ p F , 9 5t a specific ar6 Z o [ . ~ j ,ea of the frequenh H ;cy spectrum. In a way, BPB Dirty Filter is similar to multi-band distortion but with a more straightforward workflow. Choose a frequency that yoA c 0 E 3 c { Tu’d like to distort and increase the Drive parameter to add resh O , 1onance and tube saturation.

When the Drive knob is set above 50, BPB Dirty Filter transforms into a powerful distortion effec$ L 2 H ;t. Use highg p L G x Y I 4 amounts of distortion in tandem with the Mix knob to keepk 0 + L ` $ p 9 0 some of the original audio. With the Drive knob set to zero, BPB Dirty Filter operates as a transparent fq { V \ilter plugin. In this mode, it is great for cleanis ; ` k : Mng up low-frequency hum or removing high-frequency noise.

BPB Dirty Filter features

High-pass filter (20 Hz – 20 kHz).
Low-pass filter (20 Hz – 20 kHz).
Adjustable slope (12, 24, 36, or 48 dh b + o ^ { 2 P GB/octave).
Tube distortion.
Mix (0 – 100%).
Output volum9 U r Ce (12 dB).
The plugin is a free download in VST/VST3, AU and AAX formats for Winp s M 0dows and macOS.