JLD Bridge Doctor

JLD Bridge Doctor

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JLD Bridge Doctor Screw mount

Screw mount

Item # 3694
In stock, ready to ship!

$22.50

3 or more $20.02
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JLD Bridge Doctor Brass pin mount

Brass pin mount

Item # 3695
In stock, ready to ship!

$52.75

3 or more $46.95
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JLD Bridge Doctor

About This Item

• Enhances volume
• Flattens 'bellied' soundboards

A unique solution to a common bridge problem, this spruce device attaches beneath a guitar bridge. An adjustable spruce "pressure post" rests against the tail block, providing leverage to flatten the soundboard.

The spruce block is 3/4" x 1-5/8" x 3-3/8" tall. The 1/4"-diameter tension rod is 9" long. The mounting post has three different positions to accomodate a variety of bridge styles.

Screw mount: This spruce device attaches beneath the bridge via an inlaid screw (a white pearloid dot is included to hide the bridge screw). An adjustable spruce pressure post rests against the tail block, providing leverage to flatten the soundboard. Better bridge contact and alignment can also enhance sound projection.

Brass pin mount: The pin-mounted version of the JLD Bridge Doctor attaches beneath the bridge using a threaded brass bridge pin. The strings mount horizontally through the tops of the matching brass bridge pins (included).

StewMac Tech Tip: We recommend the brass pin mount version for 12-string guitars.

Video

Instructions

Product Instructions

JLD Bridge Doctor Instructions

How to install the JLD Bridge Doctor in an acoustic guitar.

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4.5
  • 4.64 average rating from 152 reviews
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Displaying 4 of 16
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5.0

great invention

By

Verified Buyer


this device took out the belly bulge on one of my guitars...greater volume and clarity was another plus.

4.0

It saves you from a lot of hazzle!

By

Verified Buyer


I ordered this item to fix a belly warp on an Aria 12-string guitar and though the instructions were not explicit enough I am still pleased with the results, so let me star with the Pros first.
Pros: It is a quick solution to avoid complex ungluing and dissasembly of your guitar and it relatively fixes the problem. Now, it didn' t quite fully fix the warping around the rosette of my guitar but that may be due to a different problem. In sum, it helped ro reinforce the bridge so the warping on the belly and the rosette did recede substantially. Cons: The instructions aren't clear enough so you can't tell the difference between installing it on a 6-string vs. a 12-string guitar! I thought at first that my kit was short of a nut and the retaining screw so I went to a specialized store to buy those items. I preferred to buy the items 'cause I didn't want to wait another two weeks or less for the missing components, but after studying the drawings on the instructions carefully, plus interpreting the text on the provided instructions many times I came to the conclusion that there were no missing screws or nuts. All I had to do is put one of the supplied pins through the lower D hole on the bridge and use that as the pass-through-screw to retain the JDL Bridge Doctor beneath. I did sort the pins according to the diameter of the holes on its heads first(Very important step) . I also had to saw off a half-inch piece from the provided wooden dowel to shorten it enough to fit this guitar in particular. Ant that was it! I re-strung it and gave it a go!
All in all I am pleased with this solution and would have given it 5 stars if not for theinformational gap on the instructions that made me to re-interpret the text to obtain the desired results. Last, I would recommend with this or any other item to take your time and read and study the instructions and diagrams thoroughly to avoid any mistakes while installing.

5.0

new (stabilized) life for my 60 year old Gibson LG-0

By

Verified Buyer


I've been considering replacing the bolted-on plastic bridge on my 60s Gibson LG-0 even though it would lose some of it's originality. Getting a high quality original looking bridge job was also a concern. I thought I would give the brass pin mount version a try and see if it would accomplish both: holding the bridge tight and reducing some of the belly in this old ladder-braced guitar.

I did opt to also install a PlateMate as the pin lock nuts look pretty aggressive for the soft stock on the LG-0 and it worked out great. I had to remove both the middle LG-0 bridge bolts but the outer two held the PlateMate in place after the plate was trimmed a tiny bit. The pins on the Bridge Doctor hold the bridge down as tight as you might want and with the PlateMate the locknuts don't damage the wood on the bridge plate.

Due to the rather low saddle, I had to stick with standard pins (used some nice brass ones to match) as the high E and B string break over the saddle would not work. The rest of the strings use the Bridge Doctor pins ok.

I think the result was fine for now. The top and bridge are original and nicely stabilized, the sound to my ear is quite improved (a bonus), and it stayed all original as the repair items can easily be removed if desired. And it probably cost 1/10th of what a professional bridge replacement and new bridge plate might run. The only visible difference are the brass pins.

5.0

Sceptic to Believer

By

Verified Buyer


Really good solution to belly top and yes it does improve the acoustic volume and tone.

5.0

Save from a Neck Reset on 67 Martin  12-string

By

Verified Buyer


I have a Martin 12-string built in 1967. The belly was noticeable and the action was getting pretty high. I bought the Bridge Doctor simply to stabilize my instrument. I installed the BD, without applying a lot of adjustment pressure, just snug enough, I was concerned that too much pressure would cause other problems. The Bridge Doc did exactly what it claims. My guitar top is noticeably flattened, and my playing action improved. The only con, voiced by others is the bridge string break is not as good as you would like, but the guitar plays and sounds really good. The improvement in my 50 yr old Martin is great. I highly recommend this, it has saved me from a neck reset. - Wayne in Omaha

5.0

"Simply" brilliant..........

By


I purchased on of these a couple of years ago to repair a friends acoustic that had popped it's bridge completely off.

A really easy fix to fit, and worth every penny (we still use those in the UK !!)

Highly recommended.

5.0

The Doctor is in!

By

Verified Buyer


I had my doubts, but after installing it, I'm a believer. My 60 yr. old Tatay classical guitar got a "Tummy Tuck" The belly is gone and the bridge is straight up again. Now if the bridge doctor can figure how I can lower the action at the 12th fret with an already low original saddle... that would be great!

5.0

Works as advertised

By

Verified Buyer


I've installed three of these now, and my customers have been very happy with them.

5.0

Excellent fix; used on two of my guitars

By

Verified Buyer


Love this product- I first used it on an mid-level 12 string that was starting "to show" in the belly. I had resorted to tuning down a ½ step to relieve the tension, but this affected intonation. I installed the Bridge Doctor and now the deck is flat and tuning is rock solid. Liked it so much I installed one on an old beater, and now it's one of my main acoustics.

The Bridge Doctor is easily installed and it does what it advertises

5.0

Works like a charm

By

Verified Buyer


I picked up an old vintage japanese guitar I found for cheap that had a belly bulge, figuring I'd try out the bridge Dr. It already had a hole with a screw through it, so I ordered the one without the bridge pins. Install was easy and now the guitar sounds absolutely amazing. I was skeptical as to whether it would be a positive or negative impact on tone, but as it turns out it mainly served to increase the sustain and volume, to the extent that the notes really do seem to hang in the air for ever. I'd recommend it to all who consider it!

Displaying 4 of 16
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StewMac PDF Catalog, page 31 See JLD Bridge Doctor
on page 31 of our StewMac Digital Catalog