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 Post subject: Internal speakers
PostPosted: Sat Nov 16, 2019 11:21 am 
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Koa
Koa
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Joined: Mon Nov 24, 2008 12:17 pm
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City: Escondido
State: CA
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I recently saw a YouTube of a young woman playing a guitar that had a small exciter (speaker) attached to the internal back of an acoustic guitar. A piezo and small onboard amp gave the unmistakeable sense that the guitar had “effects”.

This seems to be much like the “Tonewood Amp” available but in a MUCH more elegant package. This was a factory option for an otherwise unremarkable Chinese made injection molded plastic guitar.

A gimmick, no doubt. But the tinkerer in my was wondering if I could duplicate this. The piezo and internal exciter are no brainers. It’s the internal amp that has me stumped.

Can anyone think of an onboard acoustic preamp with built in effects like reverb, delay and chorus that might be used in this application?


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These users thanked the author rlrhett for the post: Michaeldc (Sat Nov 16, 2019 12:27 pm)
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 Post subject: Re: Internal speakers
PostPosted: Sat Nov 16, 2019 1:07 pm 
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Contributing Member
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Joined: Sun May 19, 2013 10:22 am
Posts: 727
First name: Brian
Last Name: McDonald
City: Okanagan Centre
State: British Columbia
Zip/Postal Code: V4V2H6
Country: Canada
Focus: Build
Status: Amateur
Try this, might be more tinkering than you want though.

https://www.parts-express.com/cat/excit ... sducers/18
And this
https://www.parts-express.com/cat/audio ... dules/3464

B

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 Post subject: Re: Internal speakers
PostPosted: Sat Nov 16, 2019 6:07 pm 
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Koa
Koa

Joined: Fri Feb 24, 2017 8:43 am
Posts: 1707
I have to say... I’m have a Yamaha that has it built in and wow.... it is REALLY fun to play. I don’t know how to explain it. You just need to experience it. It really is pretty awesome.


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 Post subject: Re: Internal speakers
PostPosted: Mon Nov 18, 2019 11:38 am 
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Koa
Koa
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Joined: Mon Nov 24, 2008 12:17 pm
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City: Escondido
State: CA
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Country: USA
Focus: Build
Status: Semi-pro
Oooh. Never seen an “amp board” before. Looks like I have a new rabbit hole to jump down!


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 Post subject: Re: Internal speakers
PostPosted: Mon Nov 18, 2019 12:35 pm 
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Koa
Koa

Joined: Sat Mar 09, 2019 4:50 pm
Posts: 1260
Location: Goodrich, MI
First name: Ken
Last Name: Nagy
City: Goodrich
State: MI
Focus: Build
Status: Amateur
An ad for this came up today when I was looking for a music video. It sounded pretty good. I've never seen or heard it in person.

https://www.tonewoodamp.com/?gclid=Cj0KCQiAn8nuBRCzARIsAJcdIfPEdjDC55fPsTssCPputHQc0RfP5IOKY-2rAbNFQ-y_tDfzKeNPgm4aAv_OEALw_wcB

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 Post subject: Re: Internal speakers
PostPosted: Mon Nov 18, 2019 1:07 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Tue May 13, 2008 10:44 am
Posts: 6256
Location: Virginia
SnowManSnow wrote:
I have to say... I’m have a Yamaha that has it built in and wow.... it is REALLY fun to play. I don’t know how to explain it. You just need to experience it. It really is pretty awesome.


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Last year I played one of those at a music store and I agree, it was a trip. Lots of fun.


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 Post subject: Re: Internal speakers
PostPosted: Mon Nov 18, 2019 7:20 pm 
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Koa
Koa

Joined: Fri Feb 24, 2017 8:43 am
Posts: 1707
https://www.sweetwater.com/store/detail ... lsrc=aw.ds

This is the one I have


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 Post subject: Re: Internal speakers
PostPosted: Tue Nov 19, 2019 1:59 am 
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Koa
Koa
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Joined: Mon Nov 24, 2008 12:17 pm
Posts: 1170
City: Escondido
State: CA
Zip/Postal Code: 92029
Country: USA
Focus: Build
Status: Semi-pro
SnowManSnow wrote:
https://www.sweetwater.com/store/detail/LLTAVT--yamaha-ll-ta-transacoustic-dreadnought-vintage-tint?gclsrc=aw.ds&&mrkgcl=28&mrkgadid=3319278795&rkg_id=0&campaigntype=dsa&campaign=aaDSA&adgroup=1669475631%3ADSA%20-%20Product%20-%20Guitar&placement=google&adpos=1t1&creative=388201626879&device=m&matchtype=b&network=g&gclid=EAIaIQobChMI_J-duYD15QIVhZOzCh0HHgGyEAAYASAAEgLLG_D_BwE&gclsrc=aw.ds

This is the one I have

Can you post a picture of the inside? I’m curious about the placement and size of the internal exciter.


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 Post subject: Re: Internal speakers
PostPosted: Wed Nov 20, 2019 1:31 pm 
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Koa
Koa

Joined: Fri Feb 24, 2017 8:43 am
Posts: 1707
Image
This is it:)


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 Post subject: Re: Internal speakers
PostPosted: Wed Nov 20, 2019 1:32 pm 
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Koa
Koa

Joined: Fri Feb 24, 2017 8:43 am
Posts: 1707
Here’s the whole guitar.., because
Why would someone pass up a chance to post a guitar pic?
Image


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 Post subject: Re: Internal speakers
PostPosted: Wed Nov 20, 2019 1:33 pm 
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Koa
Koa

Joined: Fri Feb 24, 2017 8:43 am
Posts: 1707
If I could find these parts I’d love to install them on my instruments!


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