Viewing entries tagged
electronics

#eb3mystery complete rewire :: Modded 1970s Gibson EB-3

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#eb3mystery complete rewire :: Modded 1970s Gibson EB-3

The first day back from the long weekend rolls on. Jumping head first into the butchered 1970s Gibson EB-3 mess. Doing my best to get this back as close to stock as you can while dealing with an added 3rd P pickup. I also decided to relocate the previously moved rotary switch back home and add back original controls, so some drilling out of plugs was required. A Curtis Novak choke is going in (original missing), along with Emerson Custom CTS pots. What a mess!

Follow along with this #eb3mystery project here.

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No signal :: Partscaster Fender Tele [7.4 lbs]

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No signal :: Partscaster Fender Tele [7.4 lbs]

A relic'd partscaster Tele with a history of random signal loss in for a while-you-wait repair.  This has been through a couple other shops in the area and ended up on my bench for an emergency fix last week.  I did the usual checking of all connections by eye, with a meter, reflowing suspect joints and physically stressing connections while the guitar was connected to an amp.  I even checked the resistance of both pickups to make sure there wasn't a broken coil.  Something I did ended up fixing the no-output issue, but I don't know exactly what was the cause.  Not exactly the most reassuring of repairs, but I made sure to shake, prod and bang on the guitar as much as I could before it left with the player.  Good thing it is a relic!

Note that the fix got the player through the gig so now only time will tell if whatever fix I did will last.

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New bridge & pots :: Warmoth Strat [8.0 lbs]

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New bridge & pots :: Warmoth Strat [8.0 lbs]

This Warmoth Strat is approximately 30 years old and was tough to play.  The player and I found out that the bridge was vintage spaced and pushed the strings far too close to the edge of the fingerboard.  The solution was to swap it out for a new Callaham V/N bridge.  The "V" stands for vintage mount (6 screws) and the "N" is for narrow spacing.  Wow, what a difference in both playability and sustain.  (note the outer 2 bridge mounting screws were omitted as there must have been a 2 point bridge at some time with two large post holes in the body - we may opt to plug thesein the future).  We also replaced the pots as the old ones were pretty rough.  I used an Emerson Custom 500KA pot for the volume and went with Bourns pots for the tones.  I initially had Emersons in for the tones too but found the sweep far too subtle for most of the pot's travel for this guitar (around 2-3 they began to roll off rather quickly).  The Bill Lawrence bridge pickup's plastic mounting tabs were stripped out so they were plugged and re-tapped.

The pot swap was featured over on the vlog (video below).

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