AG-1 perhaps i am Tony Iommi?

[OliSam]

OMG

i just discovered this page called the SG Reference Project
the shape changes considerably from year to year....good-on-ya Gibson.

https://www.everythingsg.com/threads...project.18524/

[dozymuppet]

Wow, that thread is a fine example of people being wrong on the internet...

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[OliSam]

Wow, that thread is a fine example of people being wrong on the internet...

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totally dozy!
I love how they argue and think theyre all right!!

“Like, man. Ive owned 70 sg’s since i was 5years old and im right and youre wrong man!”

Pure comedy


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[OliSam]

Oh. But the pictures are good for my ideas on how to sculpt mine!


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[Simon Barden]

There are definite general trends in bevel size over the years but there are also individual variations as the bevels will have been hand sanded. You got what you got.

[Simon Barden]

looks like the push pull pots are going to fit.
I also measured them with a multimeter. both came in at 520. interesting, eh? as theyre marked as 500K pots.

All pots have a tolerance value associated with them. Unless specified otherwise, assume +/-20%. So a 500k pot can be 400k to 600k. In practice the values are normally closer to 500k than the outer limits. CTS do a guitar range with a +/-9% tolerance, but that’s still 455k to 545k. Higher than 500k is almost always considered to be best for making humbuckers sound their best.

I have found that almost all my recent 500k pots have been 500k+. There was a time when CTS pots were almost always nearer 450k than 500k, so maybe they’ve adjusted their manufacturing after bad feedback. The Alpha pots I’ve used normally sit on the higher side of 500k.

[OliSam]

There are definite general trends in bevel size over the years but there are also individual variations as the bevels will have been hand sanded. You got what you got.

wow....i had no idea!

[OliSam]

All pots have a tolerance value associated with them. Unless specified otherwise, assume +/-20%. So a 500k pot can be 400k to 600k. In practice the values are normally closer to 500k than the outer limits. CTS do a guitar range with a +/-9% tolerance, but that’s still 455k to 545k. Higher than 500k is almost always considered to be best for making humbuckers sound their best.

I have found that almost all my recent 500k pots have been 500k+. There was a time when CTS pots were almost always nearer 450k than 500k, so maybe they’ve adjusted their manufacturing after bad feedback. The Alpha pots I’ve used normally sit on the higher side of 500k.

thats very interesting Simon.
So if i put in 600 or 700 or 1Meg pots in as volume pots i would get a brighter?/louder?/better? sound?
just thinking out loud cos i will definitely use the ones that i have bought (500K push/pull).

[OliSam]

hey. i just found this resto. project.
loads of awesome tips in it. i love the way he scraped the bevels!
http://gretschpages.com/forum/other-...t/65720/page1/

[Simon Barden]

thats very interesting Simon.
So if i put in 600 or 700 or 1Meg pots in as volume pots i would get a brighter?/louder?/better? sound?
just thinking out loud cos i will definitely use the ones that i have bought (500K push/pull).

The higher the pot value, the higher the pickup's resonant peak moves up and the brighter the sound, but there's no real point putting more than a 1Meg pot in as you get into smaller and smaller exponentially decreasing increments. With more resistance between the signal and ground, you get a tiny bit more output (some people fit a 'blower' switch which bypasses the volume and tone pot for maximum pickup output), but it's not a huge amount. You won't get any brighter than the pickup with no volume pot attached.

1 Meg pots are really for overwound, high output pickups to try and add as much treble back as you can. If you've got a pretty standard PAF-level humbucker, then 520k-550k is about right. You can make a pickup sound a bit too bright for its own good. And intermediate value pots between 500k and 1 Meg are hard to find and not guitar-orientated, so you may find PCB mounting ones, but not a standard guitar sized one. You can fit a parallel resistor on a 1 Meg pot to get an overall lower resistance, but it also modifies the shape of the taper.