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Vadauco

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Joined
Feb 18, 2016
Messages
157
On a JP model, there are two places where you can adjust the string action:

  1. raise or lower the tremolo posts;
  2. raise or lower the 2 screws of the saddle.

I understand that the saddles height must match the radius of the fretboard.

My question is: what's the correct way to balance these two adjustments? The saddles should be as low as possible, or the saddles should be as high as possible?

Also: the tremolo plate must be 100% parallel with the body, or I can have a side higher than the other?
 

beej

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Aug 16, 2004
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Toronto, Canada
There's a third place: the truss rod. Changing the relief in the neck will effectively raise or lower the action.

If your guitar is already well set up and it changes, 99% of the time you just need to adjust the truss rod and you're back where you started.
 

Vadauco

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Feb 18, 2016
Messages
157
My setup is OK, both string action and neck relief, it needs no further adjustment.
My question is somewhat conceptual, I guess.
 

sanderhermans

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Nov 5, 2013
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belgium
For a 1st setup:
1) The trem height shouldnt be used to adjust action. The trem must be flush with the body.
2) Then adjust neck relief to the point that you have a verry slight bow.
3) The last thing to adjust action is the sadles to achieve the action you want. (If you run out of tread on the sadle height adjustment then a shim might be in order.)

For anny later adjustements for action height, use the trus rod. If your first setup is spot on, the neck relief is the only variable and the only thing that needs to be adjusted. Never use the height of the trem itself to do a setup.

Just my opinion....
 

QuietSpike

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Apr 5, 2014
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707
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Coachella, CA
I feel I have to interject....


The term "You Must" should never be uttered when dealing with personal preference or art. Your personal preference is yours and yours alone. So is your art... Anyone who tells you "you must" do something just might be holding you back.



I know the OP and responses were not trying to be disrespectful... I'm just saying.... IM JUST SAYIN! :)
 

scooby61

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Joined
Nov 23, 2015
Messages
63
Location
Manassas VA.
I agree with spike.
It's all a balance thing there is a sweet spot from the combination of trem plate height, saddle height, and neck relief. Adjust what needs adjusting to accomplish it. My jp 15 bridge Is flush with the body my jp13 is a few mm higher. They both play and feel basically the same. However the jp13 was impossible to get the action properly low with just the saddle height and neck relief. The only thing I must say is that the bridge saddles should probably not be so high that they hit the bridge cover. That's why I had to raise the baseplate. Am I the world's best tech? Absolutely not. But the best setup for every guitar is slightly different. And in the end if it functions properly and feels right when you play it that's all that matters. It's important that the trem is level with the body for function and tuning stability. But the height is adjustable for a reason.
 

MesaBeno

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Aug 26, 2007
Messages
343
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Toronto, Ontario, Canada
FWIW my saddles don't follow the radius of the neck. I adjusted the saddles to individual string height as per my preference. This may be technically 'wrong', but I see no drawbacks personally and I like how it plays.
 

scooby61

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Nov 23, 2015
Messages
63
Location
Manassas VA.
Once you have a setup you like subsequent adjustments will probably only be neck relief because of temp changes. Unless something else changes ie.. string gauge etc.
 

scooby61

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Nov 23, 2015
Messages
63
Location
Manassas VA.
I do set mine to match the fretboard radius your method is basically the same. I purchased some radius gauges off eBay for ar I understand 10 bucks.
 
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