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Adjusting Hi-Gain Pole Pieces

Posted: Thu Apr 06, 2006 5:43 pm
by 70ssano
This is my first post. I have a '97 360 MG with the stock Hi-Gain PUPs.

The problem I have always had is that the output level falls off too much on the high "E" string.

Does anyone know what the effect will be if I push the pole pieces further down into the pickup under the A-B strings?

I'm hoping it will even things out some by reducing the output on those strings.

Thanks for any advice!

John

Posted: Thu Apr 06, 2006 11:44 pm
by rickcrazy
Hi John. Welcome to this Forum where everyone is Rickcrazy like me haha.
Pushing the A and B (or did you mean G and B?)string polepieces further down into the pickup is not an option - the magnet is standing in the way so to speak. What I did some years ago to address the very same issue on an '89 360 I owned was switching the high E and the G string polepieces. It worked. However, it was a somewhat risky procedure, as pre-1990 high-gain pickups depend on the polepieces structurally and I stood a definite chance of ruining the pickup by messing with its high E polepiece.

Posted: Fri Apr 07, 2006 4:39 am
by 70ssano
Sergio,

Thanks for the reply. From what I could see, the outside poles, both E strings, are not sticking out of the pickup, but the poles under the A, D, G, & B strings are higher. I was hoping to level them off flush as with the other 2 poles.

Because my 360 is a 1997, i'm hoping I will be okay.

If switching the G and E works, I might give that a try.

Also, do you know if it is possible to pull out the higher poles pieces and grind a little off?

And finally, do the pole pieces get damaged or scuffed up when you remove them?

Any advice on the last question is appreciated.

Thanks!

John

Posted: Fri Apr 07, 2006 7:55 am
by rickcrazy
Yes, the higher set polepieces can be pulled out and re-inserted.
Since the polepieces are not exactly easy to pull out, the best way to remove them without damaging them is by removing the magnet and pushing them off the bobbin by tapping on their bottoms (I'm sure they'll love it haha!).

Posted: Tue May 16, 2006 7:16 pm
by rictified
Sérgio, what is a safe way to remove the magnet and what is a good kind of glue to replace it with?

Posted: Wed May 17, 2006 5:45 pm
by johnallg
"Sérgio, what is a safe way to remove the magnet and what is a good kind of glue to replace it with?"

Yeah, I was wondering this also - I've tried to pry the ceramic magnet off a high gain but got nowhere.

Posted: Wed May 17, 2006 8:18 pm
by rictified
In another post it says to pry it off with a pocket knife, think I'll wait to hear it from the guru himself.

Posted: Wed May 17, 2006 10:59 pm
by rickcrazy
Yes, use a pocket knife to remove the magnet from the bobbin. To glue it back on, I use the good old UHU glue. Sparingly that is.

Posted: Thu May 18, 2006 6:11 am
by teb
...and all the Whos in Whoville reglued their uhus with UHU glue and lived happily ever after...
What's UHU glue?

Posted: Thu May 18, 2006 6:56 am
by jingle_jangle
Better yet, do U UHU?

Posted: Thu May 18, 2006 7:29 am
by admin
Is it easy to undo UHU?

Posted: Thu May 18, 2006 7:40 am
by jingle_jangle
Easier than UHU might think.

But it's tough to re-do UHU.

Posted: Thu May 18, 2006 1:15 pm
by rickcrazy
UHU is not that easy to undo, mind you.

Posted: Thu May 18, 2006 4:16 pm
by johnallg
http://www.reuels.com/reuels/product20442.html

The glue sticks I'm familiar with would not hold the magnet to the coil. What are we missing?

I also tried to use a knife to remove the magnet (factory glued) and only started to distort the magnet - it never even started to come loose. Help?

Posted: Thu May 18, 2006 11:32 pm
by rickcrazy
Help is on the way. A UHU glue stick ('UHU Stic') is not suitable at all to our purposes... UHU 'All Purpose Adhesive' is. Pattex is another brand that comes to my mind.
A pocket knife is fine for removing the magnet from a high-gain pickup, believe me. Just be careful not to cut through the magnet or your fingers...