This is a project that's been on going since the days of my Lenco experiments. My Lenco project is posted as a virtual system here at Audiogon too.
My Technics SP10 MK2 in custom African Wenge plinth is posted in my main system and this Technics SP10 MK3 in Panzerholz and Ebony Plinth was completed November 20th, 2008.
More images to follow, including the Ebony custom platform it will rest on. The platform is 9 layer construction including a layer of Texas Instruments shield with active ground plane.
I second or third all the compliments that have been made about your SP10 MK3 plinth that you built. Really does look stunning.
I wanted to ask you further with regards to the Panzerholz that was used in your plinth. Do you know which product it actually is out of their range? They do some bulletproof stuff and some other products that are used solely in the music industry. And also, did you had any difficulties in working with the material using typical woodwoorking tools and techniques. I've been told earlier this year by Panzerholz that they will send direct to me as there is no distributor here in Melbourne, Victoria. I haven't enquired on price and shipping however, as I'm still some time away from commencing my plinth construction for the 301.
In your MK3 plinth, you have Panzerholz, Basswood, Panzerholz layers. What made you use Basswood rather than say maple or mahogany? It also looks to me that the Basswood layer is solid hardwood, rather than a ply. I know the Panzerholz is a ply product, and it seems typical that a ply material is used for plinths for the 301, SP10, L75, etc ... but would you consider solid hardwood (say 1" thick) layers (all different hardwoods) laminated together with alternating grain direction? The one thing that would concern me with using hardwood compared with a ply is material long term stability - as you know - wood moves.
Another point of interest is the incorporation of sheet aluminium (thickness?) that was used in your MK2 plinth. You've obviously ommitted this out of your MK3 plinth. How did you glue this with the ply? Further to that, what glue did you use to glue the plinth in general? I'm considering using Titebond II, or equivalent, or hide glue (if I can get the hang of it).
Your brass rod/cast iron sink is a clever idea. Any reason for the cast iron chosen as opposed to a machined mild steel block? In contrast, I think this idea can be used on the Garrard 301 to drain away any vibrations from the bearing spindle that will have come from the motor. Although probably not as effective as on the SP10, at least it will provide additional vertical support for my new 301 platter that's of higher mass. I was actually considering a brass plate (say 10mm thick) bolted to the underside of the plinth, which in turn bolts to the bearing thrust plate, thus providing aditional vertical support as well as preventing any lateral movement/deflections.
