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Old 04-27-2018, 01:30 PM
vyacheslav vyacheslav is offline
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Default Sonor Teardrop Floor Tom?

Greetings,

A friend of a friend happened across this at a Goodwill store. Just noticing the tension rods and the shape of the lugs made me think it's a Sonor (no badge-badge holes in Photo 1 about 9:00). I have very minimal knowledge of Sonor stuff. If someone can give me the specs on shell material etc., I would really appreciate it.

Sadly, the shell seems out of round. It's a 16" x 16", but by measuring the top and bottom of the shell (where the head would sit) straight across, lug to opposite lug, I'm getting measurements anywhere from 15 9/16" to 15 13/16". It also looks like one of the lug screws is broken (2nd photo-about 11:30-Noon).

Is it too far out of round to fix or play as is? How hard/expensive is it to locate Sonor parts, or possibly other teardrop orphans if I so choose?

Thanks,

V
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Last edited by vyacheslav; 04-27-2018 at 01:41 PM.
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  #2  
Old 04-27-2018, 08:11 PM
Kenwood Kenwood is offline
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Default Re: Sonor Teardrop Floor Tom?

Hello Alan, no Sonor expert here either
To me based on what I have on my floor tom those lugs do look authentic
I have not seen that type of leg bracket but the wing bolt on it does look like Sonor

I have been looking at parts for a tear drop kit and generally they are expensive
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Old 04-27-2018, 08:42 PM
cin cin is offline
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Default Re: Sonor Teardrop Floor Tom?

It all looks Sonor Teardrop to me. Those leg brackets are early 70s I think, but I'm no expert either.
Parts are expensive and hard to find.

1/2" out of round is pretty bad. I've heard of people correct warped shells by placing threaded rods from lug hole to lug hole all around, and forcing the drum into round after wetting the wood, then having it dry in shape over a mild source of heat. Then repeat, and repeat, until the drum holds in the round.
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Old 04-27-2018, 08:55 PM
OddBall OddBall is offline
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Default Re: Sonor Teardrop Floor Tom?

It's teardrop. but it's franked I think. The top lugs look like the newest version of teardrop and the bottom lugs (Commonly removed for C-toms) look like the shorter thicker older one's. The leg brackets and legs are Champion series and were used on the last of the teardrop run.

It looks split. Probably why it's out of round too far. Vertical seams do not exist on teardrop six ply interior SONOR drums, they are veneered diagonally. The "seam" on the exterior is too much and looks like a split as well. It's very hard to find a seam on any SONOR drum with six or more plies. They went from logs to drums in the factory from the sixties and back. Lugs went from ore to product as well. Very talented woodworkers.

Tap it all the way around to see if the tone goes dead near splits/"seams"
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Old 04-27-2018, 09:00 PM
OddBall OddBall is offline
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Default Re: Sonor Teardrop Floor Tom?

Oh, it's six ply beechwood.
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Old 04-28-2018, 11:40 AM
slingerfan slingerfan is offline
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Default Re: Sonor Teardrop Floor Tom?

Based on stated measurements the drum is 1/4" out of round. Possibly not too much on a 16" diameter. Head fit will determine play-ability if shell is otherwise sound.
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Old 05-01-2018, 03:38 PM
vyacheslav vyacheslav is offline
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Default Re: Sonor Teardrop Floor Tom?

Quote:
Originally Posted by OddBall View Post
It's teardrop. but it's franked I think. The top lugs look like the newest version of teardrop and the bottom lugs (Commonly removed for C-toms) look like the shorter thicker older one's. The leg brackets and legs are Champion series and were used on the last of the teardrop run.

It looks split. Probably why it's out of round too far. Vertical seams do not exist on teardrop six ply interior SONOR drums, they are veneered diagonally. The "seam" on the exterior is too much and looks like a split as well. It's very hard to find a seam on any SONOR drum with six or more plies. They went from logs to drums in the factory from the sixties and back. Lugs went from ore to product as well. Very talented woodworkers.

Tap it all the way around to see if the tone goes dead near splits/"seams"
Thanks Oddball!

It actually has multiple seams on the exterior, two straight and one diagonal seam. (Photo 1 shows one straight and one diagonal next to each other--other straight seam is in original post-photo 1). Only one straight seam is visible on the inside.
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Last edited by vyacheslav; 05-01-2018 at 03:41 PM.
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  #8  
Old 05-01-2018, 07:52 PM
OddBall OddBall is offline
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Default Re: Sonor Teardrop Floor Tom?

That looks like fill before wrap on the outside. The bookmatching isn't so uniform as long as they are tight. It'll sand smooth but not true. and the inside one will sand away true like original. There should be three digits in it because that shell isn't early it's last run. Does it have edges that taper from a center ply back both sides ? or Does it have rounded that way too.
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Old 05-01-2018, 07:54 PM
OddBall OddBall is offline
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Default Re: Sonor Teardrop Floor Tom?

Are all the lugs the same ? Look at the necks, that's the obvious difference. cuz I'm seeing the same on bottom now. one or two replaced gets noticed later.
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Old 05-01-2018, 07:57 PM
OddBall OddBall is offline
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Default Re: Sonor Teardrop Floor Tom?

The only way to get that interior back to factory is to spin the shell and hold the paper. Then clear it.
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