Soundboard replacement

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krichards

Posts: 597
Joined: Jan. 14 2007
From: York, England

Soundboard replacement

Seguirya played on No 38.
Sometimes things don't work out quite right. I just wasn't happy with this guitar so I changed the soundboard.
My usual disclaimer; listen to the guitar, not my playing.
I may be willing to sell it, but I rather like it now

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Kevin Richards

http://www.facebook.com/#!/kevin.richards.1048554

REPORT THIS POST AS INAPPROPRIATE | Date Aug. 11 2015 12:48:38

Stephen Eden

Posts: 914
Joined: Apr. 12 2008
From: UK

RE: Soundboard replacement (in reply to krichards)

Cool job there Kevin. I've usually only ever replaced the whole fingboard when I have retopped in the past. (I have only done it twice) What made you decide to do it this way and do you think either way is more benefical?

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Classical and Flamenco Guitars www.EdenGuitars.co.uk

REPORT THIS POST AS INAPPROPRIATE | Date Aug. 11 2015 16:10:44

krichards

Posts: 597
Joined: Jan. 14 2007
From: York, England

RE: Soundboard replacement (in reply to Stephen Eden)

Hi Stephen

This is the third time I've needed, or been asked to do this in my 36 years of guitar making.
The first time I replaced the fingerboard along with the soundboard, and of course, had to refret etc. A lot of work.

The second time, I cut through the 12th fret and retained the f/board section and replaced it when the new top was glued down, then discovered a slight shift in the geometry, and had to remove frets and shave the f/board, re-fret etc. Less work but still too much.

This time, I left the two harmonic bars in place and glued the f/board section to the top before glueing the top down. This may be the optimum method.

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Kevin Richards

http://www.facebook.com/#!/kevin.richards.1048554

REPORT THIS POST AS INAPPROPRIATE | Date Aug. 11 2015 16:20:46

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REPORT THIS POST AS INAPPROPRIATE | Date Aug. 12 2015 1:09:14

estebanana

Posts: 9353
Joined: Oct. 16 2009

RE: Soundboard replacement (in reply to krichards)

I'm doing the same thing right now on a guitar I made for myself.

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REPORT THIS POST AS INAPPROPRIATE | Date Aug. 12 2015 1:16:52

Stephen Eden

Posts: 914
Joined: Apr. 12 2008
From: UK

RE: Soundboard replacement (in reply to krichards)

Cheers Kevin. So it's just a time saving exercise. If I have to do it again I think I shall give this way a go.

Having added more reinforcement and finding it has somewhat strengthened the trebles I understand where you you are coming from. However from my point of veiw it is not about preventing the finger board dipping it's about adding more mass in the area to prevent vibration leakage as such. Just like playing a note on a loose fret. Until it's fixed in properly the notes just sound dead.

In terms of the forward force created by the fingerboad in that area. I Think the fret it's self it more likely to send more pressure along than the perhaps 4mm of ebony underneath. Then again you do have the whole zoque underneath the 12th fret so I would assume the pressure on the end of the finger board comes from underneath aswell as on top.

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REPORT THIS POST AS INAPPROPRIATE | Date Aug. 12 2015 9:49:11

Echi

Posts: 1132
Joined: Jan. 11 2013

RE: Soundboard replacement (in reply to krichards)

I agree with the last concern.
I've done the same job myself twice. The first one I cut the fingerboard at the 12th fret but then I realized that the guitar came out a little too snappy: My understanding is something changed in the whole balance of the guitar as the fingerboard was not anymore as solid as before.

My second time I kept the original fingerboard as well shown in the link I attach.
A little more work in fitting the upper transverse bar but better results IMHO.

http://www.chitarraclassicadelcamp.com/viewtopic.php?t=33469

REPORT THIS POST AS INAPPROPRIATE | Date Aug. 12 2015 12:43:28

estebanana

Posts: 9353
Joined: Oct. 16 2009

RE: Soundboard replacement (in reply to krichards)

What was tricky to me is that Kevin popped the fingerboard on the top before joining it. I put the replacement top on then figure out the fingerboard after. Impressive!

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REPORT THIS POST AS INAPPROPRIATE | Date Aug. 13 2015 1:14:17

Stephen Eden

Posts: 914
Joined: Apr. 12 2008
From: UK

RE: Soundboard replacement (in reply to krichards)

Echi, you have to wonder how much of an effect changing the soundboard had on the guitar.

The only true way to know what kind of effect cutting through the finger board will have is by doing it on a guitar and not changing the sound board. Any volunteers??

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Classical and Flamenco Guitars www.EdenGuitars.co.uk

REPORT THIS POST AS INAPPROPRIATE | Date Aug. 13 2015 8:39:47

Echi

Posts: 1132
Joined: Jan. 11 2013

RE: Soundboard replacement (in reply to Stephen Eden)

I don't know really. Next time I'll built a bad guitar I'll give it a chance

I suppose that your project makes the difference: if you use just one upper transverse bar and few support under the fingerboard the effect of a cut fingerboard would be more evident than in a stiff upper bout guitar.

There is a vibrational mode were the neck is heavily involved and possibly this would be somehow affected. How much I don't know. Just found my guitar snappier after the cut on the fingerboard.

REPORT THIS POST AS INAPPROPRIATE | Date Aug. 13 2015 11:37:13