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Magnetic p'up mounting

Posted by Kidd Filby on August 3, 2011 at 6:04pm in Building Secrets, Tips, Advice, Discussion

OK.. a green horn question.

 

I am looking to build a CBG with a magnetic p'up, for lap slide playing. 

 

I have read the SmokeHouse Advanced CBG Construction manual.  ONE AWESOME TUTORIAL.....  GREAT WORK SmokeHouse and thank you very much for putting it together.  I learned a TON!!

 

However, I'd like to keep the construction more true to a CBG and not use a body cavity insert to fill the box, while maintaining a thru-body neck.  Since the p'up is deeper than the neck is thick, I can build-up the neck w/in the box to maintain constant flow or add thickness at the neck-heel and cut my pocket to the "top" of the box bottom, running it to the tail.  Keeping in-mind, that I want to still be able to open the lid for any maintenance work and not cut a rear access panel....

 

My question is:  Is it better to run the p'up mounting screws/bolts thru the box lid only or sink them into the neck?  And would it make a difference if I used a single coil or a traditional humbucker (non-stacked) p'up

 

Any light shed on this subject would be greatly appreciated.  I am fastly approaching paralysis-by-analysis.

 

Thanks;

Kidd

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Replies

  • Kidd Filby August 4, 2011 at 1:39pm

    Looks that way.  Me too.  Glad to know yuh. Look me up on LinkedIn and if you want to ever discuss anything non CBG related, contact me and I'll be sure to respond.  Is that you in Memphis??  If so, lets get linked.

     

     

  • David Tutterrow GutBucketGuitars August 4, 2011 at 1:28pm


    Sounds like we're in the same industry. I'm an engineer in telecommunications industry.

     


    Kidd Filby said:

      Its kind of like the battle we see in FTTH ( Fiber To The Home) deployments in my industry.  It all depends on the "availability of the possibility" of creating a "Current Path". 

     

     

  • Kidd Filby August 4, 2011 at 11:53am

    Dan;

     

    Yep... not much work at all.  Probably the simplest & cheapest thing you'll do on the whole build.  As I said, the grounding subject could have a thread 10 miles long and still not get to a definitive answer.  I always try to error on the side of caution.  Especially when it takes nothing to do it. 

     

    I've seen people get ZAPPED by the mic... on the their mouth... YO MOMMA.... that hurts just thinking about it.  And I've heard guys say they've been hit on their axes when they jacked-in.  Now.... the instrument cords are much bigger than a ~22AWG piece of wire we're talking about, so they could carry higher levels of current, in the danger zone for sure.

     

    It's an ambiguous point in my mind... ground to be safe... it doesn't hurt anything if you do.

     

    Dan Sleep said:

    That is a good point about grounding for safety purposes. Since I don't perform and have not sold any of my builds that have a magnetic pickup, I haven't really worried about grounding. But I suppose, since it doesn't really involve that much extra work, I should probably ground future builds, just to be on the safe side.

     

  • Dan Sleep August 4, 2011 at 10:33am

    That is a good point about grounding for safety purposes. Since I don't perform and have not sold any of my builds that have a magnetic pickup, I haven't really worried about grounding. But I suppose, since it doesn't really involve that much extra work, I should probably ground future builds, just to be on the safe side.

     

  • Kidd Filby August 4, 2011 at 8:30am

    Slowpaw;

     

    Yep... you can get some real nice swirling-phasing-chugga-chugga that way.  A lot cheaper than buying an X-Vibe box.  The only difference being, when you buy some sort of X-Vibe, you get a switch to turn it off.  :~)

     

    Slowpaw Steve T said:

    Had a problem with crackling on some builds, tried earthing every which way but decided to live with it, though adds a little spice to the sound, especially with distortion..!! (-:

     

    .

  • Kidd Filby August 4, 2011 at 8:22am

    Dan;

     

    That's a real nice CBG you got here.  Great work.


    Dan Sleep said:

    I actually did not ground it...yet...I will see what kind of noise I get first.

     

    I picked up some 4 string tele style hard tail bridges from eBay.

     

    Like so:

     

    http://www.cigarboxnation.com/photo/queen-b-2-005?context=user

     

     

    David Tutterrow GutBucketGuitars said:

    I just got one of these from Gitty and about to install my first one after about 9 piezo builds. What did you ground to and what type of bridge did you mount? Thanks, David

    Dan Sleep said:

    This pic kind of shows what I was talking about. Those are the ears I added to run the screws through. Probably not the right way to do it, but it worked.

     

    http://www.cigarboxnation.com/photo/queen-binside-002?context=user

     

    If you have Skype, you should join our audio chat group and chat over voice with other CBN users.

     

  • Slowpaw Steve T August 4, 2011 at 3:04am

    Had a problem with crackling on some builds, tried earthing every which way but decided to live with it, though adds a little spice to the sound, especially with distortion..!! (-:

     

    .

  • Kidd Filby August 4, 2011 at 2:13am

    David;

     

    Good question on the grounding.  This is a heavily disputed argument on both sides.  Probably needs a whole new thread for that, as we ALL have our own ideas on "do you ground or not" thing.  Being an Electronics Engineer by training, I am solidly "grounded" on the YES... you should ground for safety and sound quality.  But many others have valid reasons for NOT grounding.  Its kind of like the battle we see in FTTH ( Fiber To The Home) deployments in my industry.  It all depends on the "availability of the possibility" of creating a "Current Path". 

     

    As a side note.... I run sound for a band... the first thing I do at any gig, no matter how many times I've been there, is check the outlets we are going to use for AC power conditioning.  Anytime I see an open ground or reverse polarity on the plug... I take care of the issue.  You can use all kinds of theoretical what-if's.... but you have to start with a good ( and SAFE) base-line.  After that... ALL of my equipment has, both, sure-footed chassis and earth ground built into it.  All we can do, as builders, is protect our customers.  For the most-part... the small gauge wires we use in our creations will give-out before the player is in any danger.  However, if you have ever been bitten by an electrical fence, you know that electricity has the ability to defy all logic... and ZAP you in an instant.  My 2 cents... ground from the bridge to the jack and you and your customer should be fine... with some AWG having less "R" than the strings, etc.  However.. as stated by the fence comparison... I CAN NOT be held liable for any adverse happenings to anyone.

     

    Hope this helps some;

    Kidd

     

    Kidd
    David Tutterrow GutBucketGuitars said:

    I just got one of these from Gitty and about to install my first one after about 9 piezo builds. What did you ground to and what type of bridge did you mount? Thanks, David

    Dan Sleep said:

    This pic kind of shows what I was talking about. Those are the ears I added to run the screws through. Probably not the right way to do it, but it worked.

     

    http://www.cigarboxnation.com/photo/queen-binside-002?context=user

     

    If you have Skype, you should join our audio chat group and chat over voice with other CBN users.

     

  • Kidd Filby August 4, 2011 at 1:38am

    That's a good idea.  I think I'll do that.


    I shot good... long story... but I didn't win.  Oh well.. There's always next week.

     

    Kidd

    Dan Sleep said:

    Just create another Skype ID solely for CBN use, that way you don't get bothered. Shoot good!!!

     

    Skype goup link above....

     


    Kidd Filby said:

    Dan;

    Oh... That helps.  Thanks for the photo.  Nice job, BTW.  I like how you did that.

     

    I have Skype, but rarely use it. Seems like every time I get on for a business call, a slew of people try to connect up with me.... most of which... I don't really care to... iffen you follow my drift.  However, I would consider it for CBG discussions.  What's the link/group and when I get a chance, I'll hook up to it.  I gottah run now... Pool Tournament tonight.

     

    Thanks Dan;

    Kidd

  • Dan Sleep August 3, 2011 at 10:00pm

    I actually did not ground it...yet...I will see what kind of noise I get first.

     

    I picked up some 4 string tele style hard tail bridges from eBay.

     

    Like so:

     

    http://www.cigarboxnation.com/photo/queen-b-2-005?context=user

     

     

    David Tutterrow GutBucketGuitars said:

    I just got one of these from Gitty and about to install my first one after about 9 piezo builds. What did you ground to and what type of bridge did you mount? Thanks, David

    Dan Sleep said:

    This pic kind of shows what I was talking about. Those are the ears I added to run the screws through. Probably not the right way to do it, but it worked.

     

    http://www.cigarboxnation.com/photo/queen-binside-002?context=user

     

    If you have Skype, you should join our audio chat group and chat over voice with other CBN users.

     

This reply was deleted.