Multiscale Gore OM - Finished!

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kiwigeo
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Multiscale Gore OM - Finished!

Post by kiwigeo » Fri May 26, 2017 6:31 pm

Don't think Ive ever posted in this sub-forum. Anyway today I finished the multiscale Gore OM after 2 years of slog. Tomorrow Kym it's new owner picks up the guitar.
Specs:
Top: Swiss Spruce
Back and Sides: Indian Rosewood
Neck: Queensland Maple
Fretboard: Indian Rosewood
Bridge: Tasmanian Blackwood (with CF, second CF layer between top and bridge patch)
Bracing: Falcate made from triple laninated sitka spruce.
Rosette: Jason Kostal inspired "stained glass" design using Coobah burl.
Finish: French Polish (Shines hard shellac)
Scale Length: 658 to 638mm
Bias Fret: 7th Fret
Tuners: Schaller M3 minis. Straigh string pull headstock with Indian Rosewood veneer.
Strings: D'addario medium guage.
Pick up System: Fishman Elipse mini mic/under saddle with on board preamp/mixer.
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Martin

Kamusur
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Re: Multiscale Gore OM - Finished!

Post by Kamusur » Fri May 26, 2017 8:22 pm

Excellent work Martin, thats the job for sure :cl :cl :cl I'd be all over it like a flea on a dog!

Steve

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lamanoditrento
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Re: Multiscale Gore OM - Finished!

Post by lamanoditrento » Sat May 27, 2017 7:40 am

Beautiful work alright. You have really a great visual balance of the bridge which I often think look cockeyed on multiscales :cl :cl

Also very envious of your fp job!
Trent

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martintaylor
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Re: Multiscale Gore OM - Finished!

Post by martintaylor » Sat May 27, 2017 8:24 am

lamanoditrento wrote:
Sat May 27, 2017 7:40 am
you have really a great visual balance of the bridge which I often think look cockeyed on multiscales
+1 on that!

Lovely looking build. I bet she sounds as good.

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kiwigeo
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Re: Multiscale Gore OM - Finished!

Post by kiwigeo » Sat May 27, 2017 8:33 am

lamanoditrento wrote:
Sat May 27, 2017 7:40 am
Beautiful work alright. You have really a great visual balance of the bridge which I often think look cockeyed on multiscales :cl :cl

Also very envious of your fp job!
Thanks Trent, I obsessed for weeks over the bridge design. I basically trawled the internet for every picture of a multiscale bridge I could find and found one that worked for me. I find the curves of the design I arrived at go well with the curves of the guitar body.
Martin

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Re: Multiscale Gore OM - Finished!

Post by kiwigeo » Sat May 27, 2017 4:08 pm

Here's Kym the guitar's new owner (also a forum member) playing his new baby for the first time. I also did some final tap testing on the instrument. T(1,1) = 97Hz, T(1,2) = 182Hz and T(1,3) at 232Hz. The back appears to be coupling with the top giving a decent peak on the top spectrum. With Kym playing the instrument I got a decent chance to listen to the guitar..she's got alot of volume but she's evenly balanced. Plugged in she sounded great on just the under saddle pickup but with the in-body mic mixed in she starts to sound a bit too alive....
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Martin

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Mark McLean
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Re: Multiscale Gore OM - Finished!

Post by Mark McLean » Mon May 29, 2017 6:18 am

We all feel like we have been on this journey with you Martin. Thanks for sharing all of the trials and tribulations. Looks like a triumph in the end. I hope Kym loves it.

Jim
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Re: Multiscale Gore OM - Finished!

Post by Jim » Mon May 29, 2017 10:21 am

Congratulations- looks amazing!!!

Lex
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Re: Multiscale Gore OM - Finished!

Post by Lex » Mon May 29, 2017 6:06 pm

Thats very nice work Marty, bridge suits it perfectly, Im sure Kym will be very happy with that :cl

Cheers Tod Gilding

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Re: Multiscale Gore OM - Finished!

Post by Fisherman » Mon May 29, 2017 8:26 pm

Congratulations Martin, the guitar and finish looks great

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kiwigeo
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Re: Multiscale Gore OM - Finished!

Post by kiwigeo » Tue May 30, 2017 7:06 pm

Three sound clips of the OM from Kym (with thanks). Kym commented that he's still getting used to the fan fretting at the nut end of the fretboard so there are a few finger fumbles (can't hear them myself). The clips are stereo recordings into twin AKG A-6 large diaphragm condenser microphones. Straight into a Scarlett 2i2 interface and then by USB to the StudioOne DAW on a Windows 10 box. No EQ or effects: the recordings are straight off the DAW after lifting volume slightly. The guitar is in a DADGAD tuning.
Shenandoah:
Shenandoah.mp3
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Cairo:
Cairo.mp3
(4.46 MiB) Downloaded 523 times
The Dark Island:
Dark Island.mp3
(3.81 MiB) Downloaded 512 times
Martin

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soulman
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Re: Multiscale Gore OM - Finished!

Post by soulman » Mon Jun 12, 2017 8:22 pm

Nice job Martin.
looks good. well done. persistance pays off
I`m going to be building a multiscale soon.

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Re: Multiscale Gore OM - Finished!

Post by kiwigeo » Mon Jun 12, 2017 8:30 pm

soulman wrote:
Mon Jun 12, 2017 8:22 pm
Nice job Martin.
looks good. well done. persistance pays off
I`m going to be building a multiscale soon.
Thanks mate. Good luck with your multiscale......be prepared for a healthy injection of asymmetry into your life :D
Martin

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soulman
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Re: Multiscale Gore OM - Finished!

Post by soulman » Mon Jun 12, 2017 9:31 pm

:D :D :D

I`m sure i`ll face many challenges.
On the scale length's you've chosen, what approximate strength increased have you applied for braces compared to a say 25" scale.

Thanks
Ross

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Re: Multiscale Gore OM - Finished!

Post by kiwigeo » Wed Jun 14, 2017 9:12 pm

soulman wrote:
Mon Jun 12, 2017 9:31 pm
:D :D :D

I`m sure i`ll face many challenges.
On the scale length's you've chosen, what approximate strength increased have you applied for braces compared to a say 25" scale.

Thanks
Ross
Hi Ross,

Braces themselves haven't been modified apart from being a tad higher (9mm) than on Trevors plans. Because the bridge is angled the braces have been positioned to maintain equal area between each brace...this means the braces aren't symmetrical and means individual primary and secondary braces have to be made up rather than making up one brace and slicing it in two as per Trevor's book.
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I used Dave White's method for making up the nut end of the headstock.
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Martin

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Re: Multiscale Gore OM - Finished!

Post by kiwigeo » Mon Jun 19, 2017 4:31 pm

Kym the owner of the multiscale has just sent me another clip of him playing the instrument: https://app.box.com/s/nzotk22toxp1utd5cmm4liia4aks6cxy
Martin

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Re: Multiscale Gore OM - Finished!

Post by soulman » Mon Jun 19, 2017 9:08 pm

Thanks Martin.
Really appreciate your reply.
I'll have to get hold of Trevors books at some stage. Would like to try a Falcate brace style guitar

Ross

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