@lewm , you hit on it. It depends on what is playing at the time. You can hear the warps on prolonged steady notes with quieter backgrounds. I think solo piano is the worst. The violin note on The Lark's Ascending would do it.
How best to eliminate LP warps
I own about 2500 LPs, and I like to think they're flat. Furthermore, I espoused the view that warped LPs ought to be discarded. But lately I have found 2 or 3 of my LPs that do have warps but sound too good and are too precious for the music recorded on them to throw away. So I am in the market for ideas on how to remove warps. I am aware that there was a device on the market that looked like a large waffle maker, to be used for warp removal. I think Furutech made it, but I never see it advertised these days. I am also aware of the DIY method of placing an LP between two glass plates and heating the ensemble. The question there would be how hot and for how long? Any suggestions are welcome, especially opinions on the efficacy of the Furutech. Thanks. Please no comments on vacuum hold down; I think it's a great idea but none of my five turntables has that feature.
- ...
- 149 posts total
Sorry, I didn't mean to imply that the Koetsu was perfect. Although, it may be for all I know - all I do know is, that it's close. I just meant that after optimizing azimuth by ear, a 6 minute change is clearly audible. Since my arm wand is artisanal and a one-off, it's almost certainly out more than the cartridge, and all that uncertainty led me to construct for adjustability. I don't like to adjust for electrical measurements because, according to Peter Lederman of SoundSmith, many of the better cartridges have excellent separation on one channel but superb separation on the other. Equalizing crosstalk can lead to a stylus at an obscene angle, and that was indeed the case with the K. Which is why I now adjust by ear. YMMV. |
@piaudiol The use of an environment using the available Ambient Heat and not using heat applied as a point source or forced heat, is as said earlier, a low risk way to accelerate the reforming of the Vinyl Disc. Sunlight Directly behind glass can reach 60 Celsius, so a Thermometer used to select a position that is creating a Temperature between 20-40 Celsius will be a lower risk method. Your success with creating the wanted reforming of the Vinyl Disc within a short timescale is good news and should serve as a guideline for methods that will create an ambient heat to assist with the reshaping. |
- 149 posts total