Hi all,

I've recently received one of Randy Bretz's rod reso biscuit bridges. I've built everything up but I suspect the profile I put on the saddle isn't up to much.

Does anyone have advice and ideally photos of the profile they use on their bone saddles? Top and bottom ideally.

I'm getting buzzing and sitar like sounds occasionally, sometimes just weird harmonic overtones. I've checked the notch sizes on the nut and saddle but things still seem a bit buzzy. The bass string is muffled / dull-ish with poor sustain.

Any suggestions/guidelines?

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What measurement have you at the 1st fret and the 12th top of fret to underside of string , also I'd shim the bridge up until the buzzing stops , sounds like the saddles to low

Tom when you built your reso did you put a downward pitch on your neck. That's why I make the saddle a bit taller so you can dail in the action by slotting the saddle.

No, I'm sorry to say I didn't....:(
I'll know for next time THAT'S for sure!

By the way, THANKS very much Randy, the sides arrived today and they are BEAUTIFUL! Mine fits like a glove and I know the bar slide will be received with gusto! Finally...I'm ELECTRIC!! Randy saves the day again! My new piezo rod is in and works beautifully.

Like I said before Tom, I stand behind my work and will do what ever it takes to make sure my customers are happy with the creations they get from me.

 

Well I fixed the buzz but that bass string has no sustain to speak of when fretted and very little with a slide and its very quiet. It's not too bad when played open however.

So close but soooooo frustratingly far from what I want.

Would a brass saddle and a metal nut help?

There`s not enough downward pressure from the strings on the saddle. Hence the down pitch on the neck would of taken care of that. Only way I know how to correct the problem is making a string tree between the nut and the tuners and try some way to put pressure on the strings between the biscuit and the tailpiece. Next time you make a reso add a downward pitch to the neck then you won`t have any problems dialing in the depth of the saddle slots. As for getting the strings over the nodes on the rod, I found it really doesn`t matter if the saddle is slotted correctly. But that's just my opinion, and 1000`s of rod bridges that I`ve made and sold over the years.

 

You need more string break angle at the saddle. Do a flat metal bar or metal rod string tree between the saddle and the existing tailpiece. Two screws and a flat piece of metal hinge would do it. Might dampen it a tad acoustically, but I assume since you installed a rod piezo bridge, yer gonna plug it in most of the time, so this shouldn't be a concern. Alternatively (and more work), ditch the tailpiece, turn it into a string-through the top / body, like a Strat or PRS (or a SwampWitch). You can install a wood block inside the body, if there isn't one already, and drill holes through it all the way through the back. I have a Wichita Sam build like this.

post pictures

What pictures would be most helpful?

I'm just guessing here and really don't have much experience but I found that if the strings didn't fall right over the nodes on the rod they seemed to have a diminished effect. You could see if that helps.

sideview especially. of the biscuit and then one of the body of the guitar and the bridge.

topview

Are your strings wound on the tuning posts so that the last wind is closest to the headstock? this can help with the angle as the strings are lower than the nut and will give a little more string pressure. Also slots should be cut at a slight downward angle towards the nut and I do the same on some of my bridges.

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