Here is the last incarnation of my homebrewed platter, which includes wooden upper layer. I glued two bubinga boards with the West epoxy and shaped it on CNC. Than the 36 mm chunk of wood was screwed to the underlaying 10 mm brass plate with 24 bronze wood screws and bolted to the lead loaded subplatter. Thus I'm trying to address the issue of wood dimensions/shape stabily.
The most pleasant improvement I noticed was the complete absence of accoustical feedback (resonance) of the stylus induced vibrations, which are oterways bounced back to stylus and cause nasty low fq peaks. If you heard heavy trucks suddenly entering some of your records background, you know what I mean. I never managed to get rid of it completely with aluminum and acrylic platter. Now I may confirm, wood is the way to go. The hardwood vibration properties suit vinyl very well, allowing low fq to pass and being absorbed further, without overdapming and sucking life from music.
The most pleasant improvement I noticed was the complete absence of accoustical feedback (resonance) of the stylus induced vibrations, which are oterways bounced back to stylus and cause nasty low fq peaks. If you heard heavy trucks suddenly entering some of your records background, you know what I mean. I never managed to get rid of it completely with aluminum and acrylic platter. Now I may confirm, wood is the way to go. The hardwood vibration properties suit vinyl very well, allowing low fq to pass and being absorbed further, without overdapming and sucking life from music.
