Nice F Holes
New Member
I just started working on the electronics of my SE HB Piezo. I’ll post some pics and stuff but wanted to ask if there’s anything specific people want to see or know. I’m not great at organizing threads and pics but I’ll do my best. I’m totally open to mods or anyone else editing this if it turns into something useful.
It’s going to take a little while, since being particular and living on an island don’t go well together!
What I’ve learned so far:
*The pots have 3/8” shafts!!! USA (imperial) pots fit the holes!
*Pots are: Alpha B500k ?! (linear volume); Alpha A500k (tone); Unknown B25k (Piezo.)
*The pots have coarse splines, so changing to USA pots means new knobs, if you’re particular.
*Push-pull will fit where the Piezo tone pot is (checked Dimarzio and CTS.)
*Push-pull fits under volume, but I feel it’s not a sturdy area being that close to the F-hole.
*Smaller push-pulls (not CTS) fit through battery hatch. CTS would have to go through pup cavity.
*Piezo is a B25K linear pot. It says <O>. DI YA. 1917. And also B25K.
*Piezo board has to be removed to take out the tone pot.
*Push-pull will NOT fit below tone pot, due to Piezo PCB.
*Tone cap is .022uF, not typical .033 PRS tone cap
*No treble bleed cap.
I noticed the pot washers were completely corroded - as in disintegrated. Also my switch isn’t working right. Then curiosity took over, and now this is an effort to:
*Change pups to 57/08
*Change pots to CTS (and DiMarzio push-pull.)
*Change switch to Switchcraft
*Install treble bleed
*Change tone cap value
*Swap tone and piezo volume pots and install push/pull tone for (partial) coil split
Again, LMK if there’s anything you wanna see! And thank you all for being here, this is one of the best forums on the web.
Edit: the pictures in the post below disappeared, so I'm adding what I can find here. It's been almost 3 years so I don't know what's missing.
Here's the original wiring harness. The soldering wasn't very good.
The pots for the mag volume and treble:
The board for the Piezo electronics:
Underside of the Piezo bridge:
Some pics of the insides of the guitar:
Pickup cavities:
Fit check of 3/8" pot through stock pot holes:
It’s going to take a little while, since being particular and living on an island don’t go well together!
What I’ve learned so far:
*The pots have 3/8” shafts!!! USA (imperial) pots fit the holes!
*Pots are: Alpha B500k ?! (linear volume); Alpha A500k (tone); Unknown B25k (Piezo.)
*The pots have coarse splines, so changing to USA pots means new knobs, if you’re particular.
*Push-pull will fit where the Piezo tone pot is (checked Dimarzio and CTS.)
*Push-pull fits under volume, but I feel it’s not a sturdy area being that close to the F-hole.
*Smaller push-pulls (not CTS) fit through battery hatch. CTS would have to go through pup cavity.
*Piezo is a B25K linear pot. It says <O>. DI YA. 1917. And also B25K.
*Piezo board has to be removed to take out the tone pot.
*Push-pull will NOT fit below tone pot, due to Piezo PCB.
*Tone cap is .022uF, not typical .033 PRS tone cap
*No treble bleed cap.
I noticed the pot washers were completely corroded - as in disintegrated. Also my switch isn’t working right. Then curiosity took over, and now this is an effort to:
*Change pups to 57/08
*Change pots to CTS (and DiMarzio push-pull.)
*Change switch to Switchcraft
*Install treble bleed
*Change tone cap value
*Swap tone and piezo volume pots and install push/pull tone for (partial) coil split
Again, LMK if there’s anything you wanna see! And thank you all for being here, this is one of the best forums on the web.
Edit: the pictures in the post below disappeared, so I'm adding what I can find here. It's been almost 3 years so I don't know what's missing.
Here's the original wiring harness. The soldering wasn't very good.
The pots for the mag volume and treble:
The board for the Piezo electronics:
Underside of the Piezo bridge:
Some pics of the insides of the guitar:
Pickup cavities:
Fit check of 3/8" pot through stock pot holes:
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