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Shown here is my first ever Lenco project – a few years ago now - the cream Lenco L75, deep ‘n’ wide. Also a more recent L75 MDF plinth in construction, and finished (birch-ply top-layer). My first ‘88’ in a ‘Loricraft’ style plinth, and my current ‘88’  in its layered MDF/Birch ply plinth. The 88 and 99 are the ones to go for if the arm you want to use doesn’t fit the L75’s hole.

My approach has been a little more slap-dash, where I’ve carefully cut the top layer to fit the chassis – although cutting out a little less than on Lenco's own template, and then used that as a template for the next layer – each subsequent layer requiring a smaller area cut –out, as the Lenco’s protrusions are cleared . . .   I hope that makes sense?

Birch-ply is generally considered a good material – it’s easy to cut and non-toxic (unlike MDF) and has particularly good sonic properties - as evidenced by the BBC who specifically chose it over the alternatives for their reference speakers.  MDF might be cheaper but it’s not much fun to work with, and particularly challenging for a wimpy jigsaw . . .   5 or 6 layers of 18 mm is really all that is required though some people do use much more, I tend to prefer wider and deeper – leaving more mass around the  motor, and also leaving the bottom open . . .  Wider and deeper also provides room for a second tone-arm, with the arm pivot near the motor.

Birch ply can be sanded and look great without time-consuming painting or veneering, idea; for the more DIY challenged – and I include myself.

Rew.