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Topic: Lap Builders (Need Advice on A Dual Pro Refurb): Intonation |
Mark Helm
From:
Tennessee, USA
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Posted 8 Jun 2020 12:58 pm |
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Hullo, fellers!
I am currently bringing a '53-'54 Dual Pro back to life. The fretboards and tuner pans were shot, so I've had to replace both.
Here's my 2 part question:
1) Before I nail down the amazing re-pro fretboards I got from Gary Rue (whose KingPin guitars are amazing if you can get your hands on one!), how do I ensure they're in exactly the correct place for intonation? I understand the 12th fret business, but is there a specific approach/are there any best practices I should be following?
2) Chris Scruggs informs me that different years of Dual Pros may have a slightly different bridge height. The tuner pans I bought came from '47-'48 that had box car pickups on it. Mine, obviously, had trap pickups. What other kinds of issues might this cause me that I need to be prepared to address?
Thanks much for all your advice in advance. Feel free to email me directly: markwaynehelm@gmail.com
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Remington Steelmaster S8 w/ custom Steeltronics pickup. Vox MV-50 amplifier + an 1940's Oahu cab w/ 8" American Vintage speaker. J. Mascis Fender Squire Jazzmaster, Hofner Club bass, Ibanez AVN4-VMS Artwood Vintage Series Concert Size Acoustic Guitar. 1920s/30s Supertone Hawaiian-themed parlor guitar. Silvertone parlor guitar. |
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Bill Groner
From:
QUAKERTOWN, PA
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Posted 8 Jun 2020 1:51 pm
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You can get dimensions for the scale length you use from Stew Mac. They have a chart with what you need. I assume that is what you are asking?
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Currently own, 6 Groner-tone lap steels, one 1953 Alamo Lap steel, Roland Cube, Fender Champion 40 |
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Mark Helm
From:
Tennessee, USA
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Posted 8 Jun 2020 2:39 pm
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| Bill Groner wrote: |
| I assume that is what you are asking? |
Not sure, Bill. What I'm asking is about how to know where, exactly, to tack down the new fretboard. I assume if it's a tad north or south the intonation will be off, correct?
Oh, and the Fender Dual Pro is a 22.5" scale.
_________________
Remington Steelmaster S8 w/ custom Steeltronics pickup. Vox MV-50 amplifier + an 1940's Oahu cab w/ 8" American Vintage speaker. J. Mascis Fender Squire Jazzmaster, Hofner Club bass, Ibanez AVN4-VMS Artwood Vintage Series Concert Size Acoustic Guitar. 1920s/30s Supertone Hawaiian-themed parlor guitar. Silvertone parlor guitar. |
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Bill Groner
From:
QUAKERTOWN, PA
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Posted 8 Jun 2020 3:20 pm
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Yes you are correct. If 22.5" scale the nut to the 12th has to be 11.25" and the 12th to the bridge has to be the same.
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Currently own, 6 Groner-tone lap steels, one 1953 Alamo Lap steel, Roland Cube, Fender Champion 40 |
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Glenn Wilde
From:
California, USA
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Posted 9 Jun 2020 6:37 am
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| You can always string it up and use a tuner if you don't trust the math. Just put the bar on the octave and mark it with a pencil. |
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Mark Helm
From:
Tennessee, USA
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Posted 11 Jun 2020 12:16 am Yup!
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| Glenn Wilde wrote: |
| You can always string it up and use a tuner if you don't trust the math. Just put the bar on the octave and mark it with a pencil. |
I'll try both and if they match, my faith in math (which I lost in high school) will be restored.
_________________
Remington Steelmaster S8 w/ custom Steeltronics pickup. Vox MV-50 amplifier + an 1940's Oahu cab w/ 8" American Vintage speaker. J. Mascis Fender Squire Jazzmaster, Hofner Club bass, Ibanez AVN4-VMS Artwood Vintage Series Concert Size Acoustic Guitar. 1920s/30s Supertone Hawaiian-themed parlor guitar. Silvertone parlor guitar. |
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