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| A rare bird… Koa Archtop https://luthiersforum.com/forum/viewtopic.php?f=10101&t=55200 |
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| Author: | Brad Goodman [ Wed Aug 17, 2022 7:42 pm ] |
| Post subject: | A rare bird… Koa Archtop |
I was really fortunate to obtain A piece of a set of Koa thick enough to make an archtop out of. it is really beautiful piece to boot ! Dead quartersawn from end to end, nice curl and beautiful color. I’ve been looking for years and years for a piece of wood like this and I just stumbled onto it. I was also able to source a one piece Koa neck blank from Bruce at Notable Woods. All the appointments are ziricote.     Sent from my iPhone using Tapatalk |
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| Author: | rbuddy [ Wed Aug 17, 2022 8:32 pm ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Beautiful guitar Brad! |
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| Author: | Colin North [ Thu Aug 18, 2022 1:19 am ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Stunningly elegant Brad. |
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| Author: | SteveSmith [ Thu Aug 18, 2022 6:41 am ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Very, very nice and that Koa is indeed stunning! Steve |
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| Author: | Ken Nagy [ Thu Aug 18, 2022 7:30 am ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Very nice Brad. It has flame too! Nice. I like the simplicity, and the bold f holes. When it's done, give us a listen. I bought some Koa scrap pieces at Woodcraft a while.ago, and have a violin back roughed out but not finished. It feels and works.like no other wood I've used. It seems light and dry and resonant. Like a much lighter version of Padauk, but even stiffer. How does that happen? Maple rarely feels like that. How that relates sound wise, I don't know. Clear? Loud? |
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| Author: | Chris Pile [ Thu Aug 18, 2022 7:55 am ] |
| Post subject: | Re: A rare bird… Koa Archtop |
When it's done, I want to hear it - ok? |
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| Author: | Hesh [ Thu Aug 18, 2022 8:30 am ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Very cool!! |
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| Author: | bcombs510 [ Thu Aug 18, 2022 8:55 am ] |
| Post subject: | Re: A rare bird… Koa Archtop |
That will be great! Also hoping to hear it.  Sent from my iPhone using Tapatalk Pro |
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| Author: | Terence Kennedy [ Thu Aug 18, 2022 2:27 pm ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Sweet! Was the back hard to carve? How did you do it? |
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| Author: | Brad Goodman [ Thu Aug 18, 2022 3:11 pm ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Ken Nagy wrote: Very nice Brad. It has flame too! Nice. I like the simplicity, and the bold f holes. When it's done, give us a listen. I bought some Koa scrap pieces at Woodcraft a while.ago, and have a violin back roughed out but not finished. It feels and works.like no other wood I've used. It seems light and dry and resonant. Like a much lighter version of Padauk, but even stiffer. How does that happen? Maple rarely feels like that. How that relates sound wise, I don't know. Clear? Loud? Ken, To me, the closest thing to koa as far as carving and weight is honduran mahogany. I have only made flattops with koa backa nd sides asn spruce tops and again to me it has attributes of light mahogany. |
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| Author: | Brad Goodman [ Thu Aug 18, 2022 3:13 pm ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Chris Pile wrote: When it's done, I want to hear it - ok? Chris, I will put up a sound clip when it is done. I am a ragtime player so I will have to find a Jazz guy to demo it as well. |
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| Author: | Brad Goodman [ Thu Aug 18, 2022 3:20 pm ] |
| Post subject: | Re: A rare bird… Koa Archtop |
Terence Kennedy wrote: Sweet! Was the back hard to carve? How did you do it? Terrance, No, it carves and sands easy like mahogany. I did my usual Lancelot carver to rough it out,then 36 grit on the 4" grinder,then 60 grit on the 6" Festool.I also do some thicknessing with a round bottom plane. After its' all together including binding I use a scraper for the recurve and finish sander with the 5" Festool and sand out to 180 grit. As I have mentioned before it only takes me about 2 hours to rough out a plate using this system. |
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