Skeesix CBG Pickups

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Skeesix CBG Pickups

Pickups, pickups, pickups! Skeesix CBG pickups, magnetic, piezo, magnets, wire, bobbins, winding, winders, installation, single coils, humbuckers, P-90's, bar pickups - you name it, if it has something to do with a pickup, let's discuss it!

Website: http://skeesixcbgs.com
Location: Cincinnati, OH
Members: 102
Latest Activity: Aug 27

Discussion Forum

Best Coils?

Started by ILL GREEN. Last reply by Skeesix Mar 20. 1 Reply

What is the best quality coils out there? Stewmac has coils but they were too expensive, so I took a ride with cheap alternatives and was not disappointed.My findings are that coils made by…Continue

Wiring two P90s like P Bass pickups?

Started by ILL GREEN. Last reply by ILL GREEN Feb 14. 4 Replies

Hey guys, I am starting to get my hands dirty in making my own homegrown pickups. I figured a custom CBG should have custom pickups.I decided to tackle the P90 design because thats my favorite sound…Continue

Making Useful Pickups With Neodymium

Started by David Harris. Last reply by John Mar 25, 2017. 7 Replies

I have tried a couple and they come out extremely bright and harsh.  Is there a way to warm them up?Continue

Lathe turning a pickup

Started by Mr. Toad. Last reply by Mr. Toad Sep 28, 2016. 3 Replies

I have a few questions concerning using a wood lathe to turn a pickup. My knowledge is very limited so here goes.1.  The lathe turns toward the operator, does the direction of the windings matter?2.…Continue

Comment Wall

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Comment by Mark Bliss on September 29, 2013 at 7:44pm

Keep in mind, lightning bugs are the preferred species for this operation.

(Shh, secret formula, dont tell anyone.)

Comment by Skeesix on September 29, 2013 at 7:41pm

Oh yes, I forgot - 10% bug parts - it adds mojo. :>)

Comment by Skeesix on September 28, 2013 at 6:58pm

80% paraffin to 20% beeswax.

Comment by Mr. Toad on September 28, 2013 at 1:14am

Thanks a lot Skeesix. What ratio paraffin to bees wax do you use?

Comment by Skeesix on September 27, 2013 at 1:11pm

I've researched using shellac in the past, and the consensus was not to use it due to it not drying quickly and/or completely. I believe this was for dipping the pickup in a container of shellac, not some other method. The other problem is not being able to unwind the coil in the future for repairs without breaking the wires or damaging the bobbin. So I ended up using wax for those reasons, and because it doesn't have fumes.

In production, either wax or lacquer is commonly used. Sometimes you see epoxy. In the old days, varnish was used a lot, and sometimes shellac.

For a home hobbyist, who has more time to let things dry, I think shellac could be worked with. Maybe brushing on a limited amount several times during winding, then giving it time to dry before proceeding.

I think I would use a two pound cut, as a one pound cut is extremely thin and may not bind the wires together.

Here's a thread where they talk about oven drying when dipping shellac: http://antiqueradios.com/forums/viewtopic.php?t=83530

Comment by Mr. Toad on September 27, 2013 at 1:19am

Can I use shellac as a potting material? If not, why not? If so what are the pros and cons and do I use a two pound cut?

Comment by Skeesix on May 1, 2013 at 9:43am

Yep, that's how you shield them. I do the same.

Comment by Don Goguen on January 14, 2013 at 6:33pm

I found the hardest part was figuring out how to adjust the "formula" for smaller 3 & 4 string pickups.  The mass and a variety of other factors end up a little off. 

A little experimentation gets you there in the end.

I added the comment because there is too many people who only ask that one question, (how many ohms?) as if it means anything.  Then when you get someone who tries to apply the same to smaller coils, I just tend to begin to lose it.

Not meant to be any sort of critique.  Just knowledge for those interested.  Because if anyone winds their own and thinks that resistance is any sort of measure for comparison, they are headed down a rat hole.

Hey, while I have your attention, anyone using/trying Google Plus?

Comment by Skeesix on January 14, 2013 at 6:23pm

This is true. If I want to reproduce the same pickup, I replicate the winds, not the ohms. I use DC resistance mainly to check and make sure the coil is working.

"To translate how to make a classic sounding pickup, concentrate on the build materials and method.  Wire gauge, magnet, base plate and cover."

This is true too. To make a pickup sound like a certain other pickup, you have to exactly replicate all the materials, number of winds, etc. You have to be very detail oriented.

Things to take into consideration are: wire gauge, wire insulation type, magnet size, material and value, base plate material, cover material, bobbin material, and bobbin core material if you're making a P-90 type.

The more you stray from this, the less it will sound the original you're trying to duplicate. However, if you make most of the elements the same, it will still sound "in the ballpark".

Comment by Don Goguen on January 14, 2013 at 3:05pm

It has always been my understanding that DC resistance comparison are only useful in the world of apple to apples comparisons.  The history behind this is mostly observational.  Most techs have a ohm meter and it became an easy way to make comparisons.  The waters become more than just muddy if you try to translate any of this into apples to oranges comparisons.

I somewhat traveled down this rat hole when I first started winding.  I didn't have a counter yet so I needed to figure out how much to wind.  After the first couple, it became apparent that I was not going in the direction I wanted.

I have a little bit of design knowledge and understanding of a little more than basic circuit analysis.  Once I began to apply that a little, things became clearer.  What I lacked in understanding was the magnetic parts of the equation but too some extent, wasn't needed.

If you take wire and wind it into and inductor, resistor or pickup, it has more than just  DC resistive value.  The coil will have also have both inductive and self capacitive values too.  Look at simple circuit designs for filters and start changing values around, response curves change.  With magnetic pickups, you also add the magnetic field itself having an effect. 

If you over wind, and you lower the response of the pickup.  Might be fine if you want more output but you reach a point of diminishing returns.  Once you get out of the effective part of the magnetic field, those winds are not adding to the output. 

In summation (feel like I'm addressing the court) it is the number of winds that you should concern yourselves with.  DC resistance is a useless measurement.  To translate how to make a classic sounding pickup, concentrate on the build materials and method.  Wire gauge, magnet, base plate and cover.  Copy the number of winds not the resistance and you will get yourself closer to the target.

Your Honors, I rest my case.

 

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Discussion Forum

Best Coils?

Started by ILL GREEN. Last reply by Skeesix Mar 20. 1 Reply

Wiring two P90s like P Bass pickups?

Started by ILL GREEN. Last reply by ILL GREEN Feb 14. 4 Replies

Making Useful Pickups With Neodymium

Started by David Harris. Last reply by John Mar 25, 2017. 7 Replies

Lathe turning a pickup

Started by Mr. Toad. Last reply by Mr. Toad Sep 28, 2016. 3 Replies

pre amps

Started by Mal Chilvers Sep 24, 2016. 0 Replies

New illinois guy (Geneva) Hi all

Started by Gary Ross. Last reply by Gary Ross Feb 21, 2015. 2 Replies

Soldering tips anyone?

Started by Wade. Last reply by Skeesix Aug 20, 2014. 8 Replies

hi

Started by Mal Chilvers. Last reply by Skeesix Jul 24, 2014. 1 Reply

What went wrong

Started by TruckDrivingFool. Last reply by TruckDrivingFool Mar 2, 2013. 2 Replies

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