Rabin Spectrum 12 string replica

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Re: Rabin Spectrum 12 string replica

Post by Guest on Fri Nov 16, 2012 8:19 am

TVill25 wrote:Your wood blocks made me and my filler blocks look like woodworking hacks. Oh wait, I am a woodworking hack. Excellent progress

Being a welder, wood is not my usual medium of creation. Smile


It takes time to get just the right fit, but at the end of the day, it's going to be painted so as long as it is nice and smooth where the new stuff meets the old, then it should all look fine.

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Re: Rabin Spectrum 12 string replica

Post by Guest on Fri Jan 04, 2013 11:42 pm

Changed my mind on the wood for the neck - it's gonna be mahagony. Should be here soon, and I think I will do a 3 piece neck, with potentially a bit on either side of the headstock to make the design work.

I'm going to use the original neck to hopefully make a decent template to start with, make the headstock as close as I can from the pics i got.

I'll probably keep the original scale, but not sure of the fretboard radius. No need to do a compound radius for a 12 string, so I am thinking of 12" perhaps.

I have a few projects stacked, so slow progress on this one sorry. But I really can;t wait to get this one done.

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Re: Rabin Spectrum 12 string replica

Post by Guest on Tue Jan 08, 2013 8:24 pm

Ok, the MDF template outline is done. I may change the very top a bit as I think it looks more like a Vantage than what the Westone 12 looks like.

The nut was 1 5/8th but I changed it to 1 3/4 which will require some very slight precise sanding to the neck pocket - no more than 1 mil at the deepest part to sand. So before I paint the body, I will make the neck, and make sure it fits and is alligned correctly.

I also think I may change my mind and go back to maple - still not sure. and may install some graphite rods for stability so I can retain the same neck shape.

Here's some pics eh






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Re: Rabin Spectrum 12 string replica

Post by jim on Wed Jan 09, 2013 9:34 am

I like it's shape!. As for woods used: Did you consider the weight differences since the head might become heavier wit 6 tuners added! It can be tiresome if your necks dives down every time you release it or, while playing need to hold it up. I'm in no way experienced but just try to imagine. Read this on ~ Cederela Odorata which seems to be a light variant of Mahogony known by it's English name as Spanish Cedar. (I'm a total noob) Seems to be often used for Flamenco acoustic guitar necks. Found an article here (old thread): http://www.guitarsalon.com/forums/archive/index.php/t-9556.html
I don't know how stiff and stable it is for it will have to take a lot of pull. Anyway 'weight' might be worth investigating when deciding on type of wood for the neck. Fretboard might be more of influence on tone?

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Re: Rabin Spectrum 12 string replica

Post by Guest on Thu Jan 10, 2013 8:01 am

Yes I assume there will be more weight up top. At least there may be a little help with the balance since I added wood to fill the trem cavity, but not enough to balance it out I'm sure. Hoping to get my new band saw this weekend and cut out the template, and maybe cut the neckblank to shape.

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Re: Rabin Spectrum 12 string replica

Post by Guest on Fri Jan 11, 2013 8:16 pm

So started to shape up the MDF template to cut out the neck. Made sure the neck pocket is good, but still have to shape up from the 12th fret up to the top of the neck, but couldn't help posting a pic to show that this is gonna work - I'm diggin it.


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Re: Rabin Spectrum 12 string replica

Post by Guest on Fri Jan 18, 2013 10:27 pm

Ok, I failed on the first attempt for a template for the neck - it's not as easy as I thought to trace a neck and make it work. So my second attempt has worked better , although maybe not noticable in a pic.





Here is the 2nd version - I still may tweak the tip of the headstock as it still looks "too Vantage" to me, but fits the neck pocket perfect and is straight, where the first version was not so true. It really isn;t easy.

I also shamelessly included the templates for my first build from scratch (yes the neck looks offset a bit but I rushed the pic - it's really 2 templates that a laid down in a rush Smile )





Hard to show that the template is ever so slightly wider on each side so this guitar will have a 1 3/4 nut - and really just wanted to show the difference in headstocks.

I'm now committed to a 12' radius fretboard (ebony) on this one, which should show up tomorrow. I know compound radious is the way to go, but for a 12 string I would find no advantage for a compound board. Not like I will be bending notes past the 12 fret or anything. So Ebony board will be here tomorrow but I still need to buy a Jointer before I can make a 3 piece neck - ugh. Not cheap to do this stuff eh.

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Re: Rabin Spectrum 12 string replica

Post by Sgt. Vimes on Sat Jan 19, 2013 9:22 am

Nice implementation of skills, guts and technique, cant wait to see the finished article, great work so far Mr Caster

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Re: Rabin Spectrum 12 string replica

Post by corsair on Sat Jan 19, 2013 5:43 pm

This lad has more guts than a freezing works, eh; liking this!!

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Re: Rabin Spectrum 12 string replica

Post by Guest on Sun Jan 20, 2013 6:25 pm

Thanks folks - although I have to wait for next paycheck for a jointer to continue. I have a friend with a planer that I intend to ask to use, but I have learned that buying the blanks doesn;t mean they are "ready" to use. so a bit longer for an update to this one.

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Re: Rabin Spectrum 12 string replica

Post by Guest on Thu Jan 31, 2013 8:01 pm



A 3 piece neck it shall be. The middle piece is from a different blank than the outer ones. Hopefully I will have a jointer this weekend, but may have to order one. Once I have that, then I can get these glued up, then plane it, route the truss channel, , make a scarf joint cut, glue the scarf joint, make the truss access, trace the template, rough cut, clean the edges, install the truss rod, glue the fretboard, trim the fretboard, shape the neck, drill the tuner holes, install the frets ugh - I think this is a lot of work eh

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Re: Rabin Spectrum 12 string replica

Post by Guest on Thu Jan 31, 2013 8:35 pm

Jointer ordered - will be here the weekend after this one - can't wait

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Re: Rabin Spectrum 12 string replica

Post by jim on Thu Jan 31, 2013 9:54 pm

sarcaster wrote:Jointer ordered - will be here the weekend after this one - can't wait

After this one you will have to build a double neckie lol!

Because it's your hobby! clown

No, seriously, awesome project, very inspiring to see it progress with pictures and all!

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Re: Rabin Spectrum 12 string replica

Post by Guest on Fri Feb 01, 2013 8:13 am

jim wrote:
sarcaster wrote:Jointer ordered - will be here the weekend after this one - can't wait

After this one you will have to build a double neckie lol!

Because it's your hobby! clown

No, seriously, awesome project, very inspiring to see it progress with pictures and all!



A doubleneck is on this list, but I've got a few others to build from scratch before I get to one of those.

That one is cool - is one neck fretless?

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Re: Rabin Spectrum 12 string replica

Post by jim on Sat Feb 02, 2013 6:56 am

sarcaster wrote:


A doubleneck is on this list, but I've got a few others to build from scratch before I get to one of those.

That one is cool - is one neck fretless?

Nah, don't put it on the list. What you aim at in your projects is much more serious and it's a always a lot of fun to see you post updates on it! Instant curiosity guaranteed.
I've never seen much advantages in multiple necks on a guitar anyway, let alone a Bass (heavy) unless one wants to show off. Looks like a homejob done. And, yeah one neck is probably made fretless. Could have been a photoshopped one though. Digged the pic up from an old post once. I find there is a sense of humor to it! Cool

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Re: Rabin Spectrum 12 string replica

Post by corsair on Sat Feb 02, 2013 7:00 am

I'm going to build a double, actually.... I quite fancy doing a copy of Mustaines' Dean VMNT twin neck and I saw a kit for one on the interwebs a while ago...


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Re: Rabin Spectrum 12 string replica

Post by Guest on Wed Feb 06, 2013 9:52 pm

Mother F$cker I am pissed. Got my Jointer today. It has granite infeed and outfeed boards, and one of them was cracked during shipping. So it is useless. I called support and asked if they could just send the replacement broken feed, and they wanted me to buy another unit and after the first unit is returned I would get a refund for the first unit. On the phone for 4 hrs trying to make a reasonable solution which ended up in me saying FU sir, I'll buy from somewhere else. So yet another delay, where as I really expected to make some progress this weekend. I'm pissed

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Re: Rabin Spectrum 12 string replica

Post by jim on Thu Feb 07, 2013 9:17 am

That really sucks major man! I imagine if you had needed it for a business project you could have sued them! And still you are even as polite as not to mention the name of the company. 4 hours on the phone... Evil or Very Mad
What a waste...

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Re: Rabin Spectrum 12 string replica

Post by Barry on Thu Feb 07, 2013 10:00 am

I feel your pain.

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Re: Rabin Spectrum 12 string replica

Post by Guest on Fri Feb 08, 2013 10:28 pm

New Jointer ariving tomorrow - hopefully get to work with it over the weekend. Once I test it out and make sure it works, then I can finally joint the neck pieces and get them glued - then I am on my way! Pix to follow

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Re: Rabin Spectrum 12 string replica

Post by Guest on Fri Feb 08, 2013 11:00 pm

Oo - also getting the truss rod, 2 carbon fiber rods to hold the neck up as well - gonna be nice

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Re: Rabin Spectrum 12 string replica

Post by Guest on Sun Feb 10, 2013 10:52 pm


Glueded up and clamped - a little bright but that it 3 pieces.

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Re: Rabin Spectrum 12 string replica

Post by Guest on Sun Feb 10, 2013 10:55 pm

Kinda boring but here is the neck blank after unclamping. I need to run it through the planer to get a nice flat surface and then I'll make a cut for the scarf joint - I'm thinking 10 degrees will be plenty. And look at that nice Alder it is sitting on for my Strat build. Good stuff eh


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Re: Rabin Spectrum 12 string replica

Post by Guest on Sun Feb 10, 2013 10:57 pm

After the scarf joint is glued and I know exactly where to mark the nut, then I will route out the truss rod channel and the carbon fiber rods.

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Re: Rabin Spectrum 12 string replica

Post by corsair on Mon Feb 11, 2013 4:39 am

Coming along, bud; good to watch!! One of the Matsumoku blokes is building a U-100 from scratch.... I think you're both clinically mad! Very Happy

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Re: Rabin Spectrum 12 string replica

Post by Barry on Mon Feb 11, 2013 9:53 am

Copy that!

But it is fun to watch. What a Face

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Re: Rabin Spectrum 12 string replica

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