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Alembic Club » Alembic Basses & Guitars » Archive through October 10, 2004 » How Do They Make Matching Wood Backplates? « Previous Next »

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scott
Junior
Username: scott

Post Number: 15
Registered: 10-2002
Posted on Friday, October 08, 2004 - 11:34 am:   Edit Post

I have often wondered how Alembic or other companies make the back cavity covers out of the same section of wood that was orginally covering the cavity that was routed? Normally routing out a cavity would obviously destroy the wood surface that was covering the cavity, is there a special tool or technique (or both) involved?
son_of_magni
Intermediate Member
Username: son_of_magni

Post Number: 122
Registered: 1-2004
Posted on Friday, October 08, 2004 - 12:28 pm:   Edit Post

Interesting that you would ask this question because I was just wondering the same thing. I am currently in the midst of my first bass building project. Since I couldn't come up with any way to do it other than using a small drill and a coping saw (which would be very difficult to pull off well), I cut the back cover all the way to the edge of the back laminate. Basically the same way that Pedulla does it.
tom_z
Junior
Username: tom_z

Post Number: 39
Registered: 7-2004
Posted on Friday, October 08, 2004 - 1:13 pm:   Edit Post

Though not actually continuous wood backplates, my Skylark (http://alembic.com/club/messages/411/12937.html?1096327551) has very nice matching wood backplates. Mica's explanation from that thread:

"If the body wood is thick enough, we can make a plate out of the next slice, and it's a fairly convincing continuous wood look, it's only different by the kerf of the bandsaw and the sanding".

I don't know the techniques involved in creating true continuous wood covers, but I'm sure someone here can fill us in.

Tom
mica
Moderator
Username: mica

Post Number: 1985
Registered: 6-2000
Posted on Friday, October 08, 2004 - 1:26 pm:   Edit Post

Coupla relevent threads:
http://alembic.com/club/messages/393/3421.html
http://alembic.com/club/messages/631/751.html
son_of_magni
Intermediate Member
Username: son_of_magni

Post Number: 123
Registered: 1-2004
Posted on Friday, October 08, 2004 - 1:36 pm:   Edit Post

A couple comments...

"fairly convincing"? From the pictures I'd say it's more than "fairly". It looks perfect!

"only different by the kerf... and the sanding" Isn't it really different by the kerf, the sanding, and the thickness of the plate? You would have to flip the piece over otherwise, then you'd have a mirror image.
mica
Moderator
Username: mica

Post Number: 1986
Registered: 6-2000
Posted on Friday, October 08, 2004 - 2:03 pm:   Edit Post

You're right, there is a little more, about 1/16". The plates are laminated layers or veneer, so it's just the thickness of the veneer itself.

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