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The ultimate rumble filter - far more effective than just ...
https://www.diyaudio.com/community/threads/the-ultimate-rumble-filter-far-more-effective-than-just-a-high-pass-filter.218801/
The circuit applies an 60dB/Decade filter at 12Hz, and collapses the stereo image below 160Hz. When using these filters on Audacity the rumble is reduced by about 24dB at 20Hz. I'd be interested to hear peoples ideas on this concept, so tell me what you think . I'm still experimenting so will keep this thread posted with my results.
High Pass Filter Circuit | Rumble Filter - Engineering ...
https://bestengineeringprojects.com/high-pass-filter-circuit-rumble-filter/
The three most-popular filters found in audio equipment are the High Pass Filter (rumble filter), Low pass filter (scratch filter), and speech filters. The rumble filter is a high-pass filter, used to suppress the low-frequency rumbling sound associated with old and worn-out turntable and tape deck mechanisms.
Does anyone use a RUMBLE filter? - High-End Audio ...
https://forum.audiogon.com/discussions/does-anyone-use-a-rumble-filter
A rumble filter as any filter where the audio signal pass always degrade that signal in many ways and IMHO do more harm than help. What we have to do is to revise the overall system set up to find out where it comes the feedback that makes the woofers moves.
Rumble – PS Audio
https://www.psaudio.com/pauls-posts/rumble/
PS Audio has been building phono preamplifiers since our inception in 1974 and we have never offered a switchable rumble filter. However, every one of those preamplifiers had built-in rumble filters and that, Mark, is the most likely answer to your question.
The Derumbleizer cancels rumble 3 octaves higher than any ...
https://www.derumbleizer.com/
Precision Audio Restoration has developed a unique device, the DERUMBLEIZER, which, unlike a conventional rumble filter, reduces audible rumble almost 3 octaves higher, leaving the music totally intact! It not only reduces the rumble coming from the turntable and record, but also reduces acoustic feedback and floor vibrations.
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