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Topic: Half stop disappeared after changing copedent |
Charles Caskey
From:
Tennessee, USA
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Posted 10 Mar 2019 9:42 am |
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Alright, I know this is going to sound like some seriously newbie stuff, but I'm pretty confused. I changed my Mullen Discovery from Emmons to Day setup recently and it seems like it made a half stop on my right knee disappear. This was my first time doing a copedent change, but I think it all went smoothly. Other than this missing half stop, the guitar and all changes seem fine and stable.
After noticing, I looked on the Mullen page to learn about the half-stops, and I actually don't have anything on my guitar that looks like what they sell as a half-stop. I never understood where the resistance at the half stop was coming from prior to the change. Is it possible that I never had a half stop and that my stock Mullen's knee lever just kind of hung in the halfway point and felt like a half stop to me?
Any info is appreciated, and also shout-out to Lane Gray for his various posts that describe the copedent change process. |
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Jeff Mead
From:
London, England
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Posted 10 Mar 2019 10:22 am
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It would probably be helpful to know exactly what your knee lever does.
I don't know about Mullens but on my Sho~Bud I have a lever that raises the first string a tone and the second string a semitone. What happens is that the first string starts to raise and then the second string starts to raise slightly after (as the nylon nut hits the changer). You can feel this as slight resistance. When I first got it, it just happened that the 1st string raised exactly a semitone before the 2nd string started moving so I had a sort of half stop on string 1 but this was pure chance. When I changed strings for the first time, the half stop was no longer quite a semitone  I could probably play around with the guages to get my half step back but it wasn't supposed to have one in the furst place. |
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Richard Sinkler
From:
aka: Rusty Strings -- Missoula, Montana
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Posted 10 Mar 2019 12:11 pm
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I would guess he is talking about the lever that lowers string 2 to D/C#. Mullen uses the 9th string lowering to C# as the half stop. They time the 9th string to lower at same time the 2nd string reaches the D note. It is the added pulling of the 9th string finger that adds additional resistance to the lever. Unless you messed with the 2nd and 9th string changes (like moving to a different lever), that problem shouldn't have cropped up.
The half stop mechanism you see on Mullen's site is if you want a more definite feel to the half stop, and is extra $$.
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Carter D10 8p/8k, Dekley S10 3p/4k C6 setup,Regal RD40 Dobro, Recording King Professional Dobro, NV400, NV112,Ibanez Gio guitar, Epiphone SG Special (open D slide guitar) . Playing for 54 years and still counting. |
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Charles Caskey
From:
Tennessee, USA
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Posted 10 Mar 2019 3:22 pm
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| Thanks guys. Your replies have clarified a subtle point about the timing that I didn't understand. The added resistance indeed comes from the other lower engaging and is not a separate half stop mechanism. Interesting stuff. |
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Dan Beller-McKenna
From:
Durham, New Hampshire, USA
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Posted 11 Mar 2019 3:21 am
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| Everything here sounds right, but I'm trying If so, returning to the factory rodding should get your half-stop back. to imagine how changing around from Day to Emmons would affect the half stop feel on strings 2 and 9. Charles: did you change and of the rodding on those strings (moved to different holes on the bellcrack or changer) as part of the new copedant? |
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