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Post by profscratchy on Jul 6, 2012 10:15:33 GMT
Richard O'Donnell takes a look inside my Schierson resonator. Attachments:
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Post by profscratchy on Jul 6, 2012 10:16:45 GMT
The resonator system Attachments:
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Post by profscratchy on Jul 6, 2012 10:17:12 GMT
The cone Attachments:
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Post by snakehips on Jul 6, 2012 11:28:58 GMT
Hi there !
I'd like to add that the guitar was in remarkably good condition. The cone was in pretty good condition too and the guitar actually sounds not too bad, to my surprise
Not as good as a National, but not bad at all.
That last picture of me holding the cone, is the underside of the cone, with a large diameter metal nut and screw going through it. No idea why the nut had to be so wide diameter, as this just adds weight.
The very thin saddle sits on a large wedge of wood - kind of like an upside-down large triangle with one end chopped off. Looks to me to be maple (or similar) stained black.
Below that is a round piece of wood about 3/4" thick, then a smaller diameter wooden piece under that, before the cone.
These various pieces of wood are likely glued together, but I'd think string-height adjustments could easily be made by increasing or decreasing the smaller wooden section closest to the cone itself.
The cone and huge bridge assembly (I'm avoiding calling it a biscuit) weighed quite a bit.
The metal of the cone felt substantially thicker than a vintage National cone (or similar NRP Hot Rod cone). The cone did look spun. The outer rim of the cone had two grooves pressed into it, to give a very primative corregated outer portion, to allow the cone to vibrate up and down, similar to but completely inferior to the corregated section of a National cone.
Thus in total, the thickness (and thus stiffness) of the cone metal, the overall heavy weight and the design in general I'd think was what makes it inferior to a National biscuit-bridge system - volume and tone-wise. I am surprised it sounded way better than I was expecting it to sound.
No neck stick, just a standard acoustic neck attachment (mortice+tenon or whatever !).
No internal support for the VERY shallow resonator cone well.
Hopefully, I can persuade Prof Scratchy to do a YouTube video of it, perhaps with a wee blast of his rare wooden Walnut finish National Triolian in the video first, for sonic comparisons.
PS. I dropped by the Prof's house on the way home from my work.
I don't normally wear a suit for working on guitars !!!
PPS. Prof - don't cut my hair off in pictures next time !
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Post by snakehips on Jul 6, 2012 11:37:04 GMT
Hi again !
One last thing - there was a gasket of felt under the rim of the coverplate.
Unsure whether that is original to the guitar or not. It being glued on and some of the glue had got on the guitar top finish, under the rim of the coverplate. So the only bits of the finish on the guitar with any blemishes really were these areas, luckily hidden by the coverplate.
The picture of the guitar with the coverplate off doesn't show how fantastic the condition of the guitar is overall.
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Post by profscratchy on Jul 6, 2012 14:43:46 GMT
Apologies for the hair editing. This was out of consideration for most viewers of this forum, whose hair ration you got.
Sent from my GT-I9100 using ProBoards
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Post by Bottleneck John on Jul 6, 2012 20:40:36 GMT
Nice guitar!!
I've played one just like this one a while back and it sounded really nice.. Like a mix between a spider and biscuit!
Make a video, Prof!!!!!
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