Until I figure out the method to kick the habit, I need to rely on your money. Well, it didn't last but a few hours before I went on Amazon and bought something!!! Can't help it. I thought I see if I can shake off the habit and stop buying things cold turkey. You all know how addicted I am to money and shopping. To the extent you do, the Pro-ject Box S2 scratches that itch well and looks adorable to boot!Īs always, questions, comments, recommendations, etc. distortion is below audibility) or obscure detail due to higher distortion. When I have listened to them in the past, they either do nothing (i.e. Personally I have no use for a tube audio product. The Pro-Ject Tube Box S2 seems to have been designed well to do what people expect a tube to do: produce a gradual rise in distortion with level.
It is as if they think stuffing the tube in there is all they need to do, performance to be damned. Most of the time when a tube is put in some audio product the result is a disaster. For the most sensitive part of our hearing (2 to 5 kHz), it is the lowest at -70 dB. It did make some difference, but didn't come close to eliminating the issue.It gets a bit upset at 20 Hz and rises a bit at highest frequencies. I also added one of those 20Hz -12dB/Octave in-line RCA filters at the subwoofer. This shouldn't be a compliance issue with my Tonearm/Cartridge combo? I turned the volume up, and I could see the woofer flutter. I did an experiment where I turned the platter off and just rested the needed on an album. The entire bottom surface is resting directly on the floor. The new Martin Logan Grotto i did not come with any floor spikes. The entire thing is wrapped in very dark cloth.
#SUBSONIC FILTER PHONP PREAMP DRIVERS#
Also, it's VERY difficult to see the drivers with the Vandersteen sub. The first sub (Vandersteen V2W) never appeared to have issues, but that sub is decoupled (if that even matters) from the floor with spikes resting on brass disc. That really eliminated any audible rumble that I was having. I purchased a set of four Herbie's Tenderfeet, and used them in conjunction with a bamboo cutting board as a phono stand. My room has laminate flooring, and I was setting the Rega on a buffet which is where I store my albums). When I first got my TT, I had audible issues. I think the final solution is going to need to be a combination of isolation and subsonic filtering. I have 4 tenderfoots under a bamboo cutting board, and then 4 more tenderfoots under the turntable.
My turntable is isolated with two sets (8) of Herbies tenderfoots. At $180 I would much rather spend the money on a better phono preamp.Īdditional info : My turntable is a modified Rega RP1 w/Ortofon 2M Blue cartridge. If this thing was $50 it would be a no brainer. I wonder why the new ones are different?ģ) KAB RF1 - Strictly a subsonic filter. I was looking at some of Pro-Jects older products such as the Phono Box II SE and they were 18Hz with a 24dB/Octave attenuation. Squeeze every inch of detail from your record collection with our highest quality moving magnet and moving coil phono stage, with integrated headphone amp the Duo Phono Preamplifier. 18+, T&C apply, Credit subject to status. It starts at 20Hz and attenuates 12db/octave. Moving Coil & Moving Magnet Phono Preamp. I can't seem to find this info anywhere.Ģ) Pro-Ject Phono Box DS - Has a built in subsonic filter. I also don't know how steep the filter slope is. So far I've been able to come up with three options.ġ) Cambridge Audio Azur 651P - Has a built in subsonic filter, but I have no idea what frequency it starts to filter. My current Phono preamp is a Rega fono mini so my current line of thinking is to get an upgraded phono preamp that has a subsonic filter. I just picked up a second subwoofer for my system, and now I have the dreaded woofer pumping issue when playing Vinyl.
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