My Rega P9/Lyra Delos on a Gingko Cloud 14A platform is causing rumble problems with my subwoofer - it dances around during quiet passages with volume above 45 watts. Mt McIntosh C2300 pre does not have a rumble filter - what can I do to tame this annoying problem?
Have you tried taking it off the Gingko? I have a P25 and tried a Gingko and sent it back. I found a Base and AQ feet to isolate best on Regas design. You'll love the Delos by the way.
Perhaps not a direct answer to your question but here also rumble problems. VPI Scoutmaster Signature/Benz wood SL/Nagra BPS/Quad 99 - no subsonic filter. 50% of the lp's are OK 25% are more or less OK 25% are bad So I think it is not the system. I don't know why people call it "subsonic" ; I can hear it very well if a record is bad. Been looking around for some external subsonic filtre but not much choise available. The KAB RF1 is a possibilaty but I'm not used to buying in the US (I live in Europe)and I fear that it will influence the sound. Any advice appreciated.
You should try Theo's advice and attempt to eliminate the rumble mechanically. If it doesn't work, I recommend the KAB rumble filter, which at a very reasonable price will eliminate rumble and might actually improve the sound by relieving the amps from trying to reproduce infrasonic frequencies, and removing the unnecessary and possibly harmful fluttering of the subwoofer.
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