BPB Dirty Filter Plus
Key Features
- Four Dirt modes: Original, Acid, Dust, and Cyber
- Dual high-pass and low-pass filters
- Adjustable 12–48 dB/octave filter slope
- Transparent compressor with auto-gain
- Mix control from 0–100%
- Output volume control of ±12 dB
- Resizable 64-bit VST3/AU interface
Description
BPB Dirty Filter Plus combines a dual high-pass and low-pass filter, four Dirt modes, and a transparent compressor with auto-gain compensation. The Dirt modes cover the original tube-style character, Acid, Dust lo-fi coloration, and Cyber bitcrushing, while a Mix control blends the processed signal with the original.
The plugin also provides separate filter-slope controls, adjustable mix and output volume, a freely resizable interface, and 64-bit VST3/AU support on Windows and macOS. Bedroom Producers Blog describes it as a pay-what-you-want plugin that can be downloaded by entering $0 at checkout.
Frequently Asked Questions
What are the four Dirt modes?
They are Original, Acid, Dust, and Cyber. The listing describes them as tube-style distortion, aggressive acid coloration, lo-fi dust, and bitcrushed processing respectively.
Can the filters stay clean?
Yes. The listing says the Dirt parameter can remain at zero, leaving the filters transparent while you use their high-pass and low-pass controls.
What does the compressor do?
The built-in compressor is described as transparent and includes auto-gain compensation for subtle dynamics control and added glue.
What formats and systems are supported?
The specs list 64-bit VST3 and AU formats for Windows and macOS.