KAB rumble filter upgraded with Teradak Limited power supply - custom power cable inc postage AUS wide. - Hi-Fi and Cinema Cables & Accessories - StereoNET International
Electronics Digest--Audio
Radial J33 | Turntable DI | Pro Audio LA
LP Rumble Filter and LV Phono Preamp
Amazon.com: Harrison Labs FMOD Inline Rumble Subsonic Filter Crossover Pr 30Hz High Pass RCA : Electronics
Lafayette PK-444 Stereo Rumble Filter (page 1) - Other Turntables - Lenco Heaven Turntable Forum
Scratch And Rumble Filter Circuit
DB Systems-DB Systems Subsonic Filter-Turntable Accessories|Acoustic Sounds
Bellari VP130MK2 Tube Phono Preamp with Rumble Filter – Easy Music Center
Project 99 - Infrasonic Filter
The Art of electronics - exercises - Additional exercise 3 of Chapter 1. Design a "rumble filter" for audio. It should pass frequencies greater then 20 Hz (set the "-3 dB" point