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Topic: Pull-release |
Rich Upright
From:
Florida, USA
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Posted 21 Mar 2016 6:22 am |
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Can someone please explain "pull-release" as opposed to all-pull & PP? Advantages? Disadvantages? Which models are PR?
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A couple D-10s,some vintage guitars & amps, & lotsa junk in the gig bag. |
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Henry Matthews
From:
Texarkana, Ark USA
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Posted 21 Mar 2016 6:39 am
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Rich, a real simple explanation is that the changer has only one finger that is either pulled for a raise that is held in place by string tension. The strings that lower have a spring that pulls them back to pitch after being lowered. The lever or pedal that lowers simply takes tension (releases) off spring that holds it to pitch.
I don't know what all makes have a pull release but Marlen is one of the more noted ones. MSA had this system on some of the earlier guitars and also some of the student type guitars use this system. A very stable system that sounded great but had a few drawbacks in diversity.
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Henry Matthews
D-10 Magnum, 8 &5, dark rose color
D-10 1974 Emmons cut tail, fat back,rosewood, 8&5
Nashville 112 amp, Fishman Loudbox Performer amp, Hilton pedal, Goodrich pedal,BJS bar, Kyser picks, Live steel Strings. No effects, doodads or stomp boxes. |
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Ian Rae
From:
Redditch, England
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Posted 21 Mar 2016 8:25 am
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Advantages:- great sound because the changer fingers are big and solid and the tuning stops act on them directly.
Disadvantages:- if you want to raise and lower the same string, there must enough slack in the raise to accommodate the lower. I adapted my old pull-release guitar to raise and lower the Es (originally it lowered 2 & 8 only on a single lever - state of the art when it was built!). This means that the C pedal travels some before the 4th string begins to raise, likewise the F lever. But I love the sound enough to put up with it.
Bear in mind how many great players of the past made plenty of music with just that original setup.
_________________
Make sleeping dogs tell the truth!
Homebuilt keyless U12 7x5, Excel keyless U12 8x8, Williams keyless U12 7x8, Telonics rack and 15" cabs |
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Lane Gray
From:
Topeka, KS
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Posted 21 Mar 2016 9:05 am
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The difference between pull-release and push-pull is in how it lowers, with a pull-release having a rod through the actual finger, and the push-pull puts the finger in a carrier which is pushed against the return spring.
Here's the pull-release
and here's the push-pull
https://www.steelguitar.com/maps/changerPP.html
_________________
2 pedal steels, a lapStrat, and an 8-string Dobro (and 3 ukes)
More amps than guitars, and not many effects |
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Ian Rae
From:
Redditch, England
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Posted 21 Mar 2016 9:50 am
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Lane's drawing shows very clearly the slack needed in the raise rod so that the finger can lower.
_________________
Make sleeping dogs tell the truth!
Homebuilt keyless U12 7x5, Excel keyless U12 8x8, Williams keyless U12 7x8, Telonics rack and 15" cabs |
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Lane Gray
From:
Topeka, KS
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Posted 21 Mar 2016 10:35 am
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You misspelled Richard Burton
_________________
2 pedal steels, a lapStrat, and an 8-string Dobro (and 3 ukes)
More amps than guitars, and not many effects |
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Rich Upright
From:
Florida, USA
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Posted 21 Mar 2016 3:48 pm
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Thanks,Lane; the drawing was really helpful in understanding it. I think my old GES D-10 was a pull-release.
Does it tune like an all pull? I don't remember how I tuned it; it was 30 years ago.
_________________
A couple D-10s,some vintage guitars & amps, & lotsa junk in the gig bag. |
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Ian Rae
From:
Redditch, England
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Posted 21 Mar 2016 4:32 pm
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Tune the higher note at the keyhead, the lower one at the changer. So you tune the A chord with pedals down then adjust the E chord at the rear of the changer. Strange if you're used to all-pull.
Apologies to Richard B. - I thought it looked familiar...
_________________
Make sleeping dogs tell the truth!
Homebuilt keyless U12 7x5, Excel keyless U12 8x8, Williams keyless U12 7x8, Telonics rack and 15" cabs |
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Lane Gray
From:
Topeka, KS
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Posted 21 Mar 2016 5:16 pm
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Tunes more like a push-pull, if you ever had those.
The highest note tunes at the keyhead, lowest note tunes on the top of the endplate.
If it has a window, middle notes tune in the window.
If no window, middle notes tune underneath
_________________
2 pedal steels, a lapStrat, and an 8-string Dobro (and 3 ukes)
More amps than guitars, and not many effects |
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