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Post subject: [b]Squealing SCN Tele pickups in US VintageTelecaster[/b]
Posted: Tue Feb 16, 2010 9:35 am
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First i put SCN pickups in my US Vintage Stratocaster. Perfect!

Next I put SCN pickups in my two US Vintage Telecasters. Almost perfect. But both of them produce the same problem; They squeal, when I use the bridge pickup and raise the volume of my amp or activate my overdrive pedal.

I can reduce the squealing by holding a finger against the bridgeplate-edges.

The bridgepickups seem very sensitive.

I have been careful, to make a correct grounding of the pickups by soldering af wire from the volume pot to the bridgeplate.

Any Ideas, how I get rid of this problem?

Greetings from Denmark.[/b]


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Post subject: Re: [b]Squealing SCN Tele pickups in US VintageTelecaster[/b
Posted: Tue Feb 16, 2010 10:12 am
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flassen wrote:
First i put SCN pickups in my US Vintage Stratocaster. Perfect!

Next I put SCN pickups in my two US Vintage Telecasters. Almost perfect. But both of them produce the same problem; They squeal, when I use the bridge pickup and raise the volume of my amp or activate my overdrive pedal.

I can reduce the squealing by holding a finger against the bridgeplate-edges.

The bridgepickups seem very sensitive.

I have been careful, to make a correct grounding of the pickups by soldering af wire from the volume pot to the bridgeplate.

Any Ideas, how I get rid of this problem?

Greetings from Denmark.[/b]


Welcome.

Are you using springs or surgical tubing for the Teles' bridge pickup height adjustment screws?

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Posted: Wed Feb 17, 2010 12:04 am
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Thank You.

In one Tele I use the tubing, that came with the pickup-set (harder than surgical tubing - some sort of rubber). In the other Tele I use a combination of surgical tubing and the tubing, that came with the pickup-set. No springs are used.


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Posted: Wed Feb 17, 2010 5:49 am
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flassen wrote:
Thank You.

In one Tele I use the tubing, that came with the pickup-set (harder than surgical tubing - some sort of rubber). In the other Tele I use a combination of surgical tubing and the tubing, that came with the pickup-set. No springs are used.


You're welcome.

Anything hard as a spring will make the pickup rattle in its base. This is IN PART why your pickup is feeding back. The chief cause is that the pickup was not wax saturated in its entirety where evidently, the inner coils remain unpotted. This is regardless of whether or not it was done at Fender. Have the pickup completely redone (repotted, that is). For what its worth, this is a very common problem with this model pickup.

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Posted: Wed Feb 17, 2010 2:41 pm
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You say, that poor waxing is the problem. Not good, when a perfectly new pickup needs waxing. And a common problem, you say. Not good at all.

The vintage bridgeplate is lighter than the modern Tele bridgeplates. Would it help, if I change the bridgeplates? (It is not a solution I like, because it ruins the vintage look).

I have searched the internet for potting instructions. It doesn't seem that difficult, but theres no warranty. Take a chance....

If you think re-potting is the way ahead, I shall try.

Do you know anyone, who has solved this problem with re-potting?


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Posted: Wed Feb 17, 2010 3:45 pm
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flassen wrote:
You say, that poor waxing is the problem. Not good, when a perfectly new pickup needs waxing. And a common problem, you say. Not good at all.

The vintage bridgeplate is lighter than the modern Tele bridgeplates. Would it help, if I change the bridgeplates? (It is not a solution I like, because it ruins the vintage look).

I have searched the internet for potting instructions. It doesn't seem that difficult, but theres no warranty. Take a chance....

If you think re-potting is the way ahead, I shall try.

Do you know anyone, who has solved this problem with re-potting?


Changing the bridge plate will not help.

Here's your potting information:

http://www.stewmac.com/freeinfo/a-lindyfralin.html

I know of many who have solved this problem by re-potting.

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Posted: Fri Feb 19, 2010 1:05 am
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Thanks.

I do not have the tools for the operation, but I shall go shopping.

I shall leave a message, when I have finished the potting.

Thanks for your help so far.


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Posted: Fri Feb 19, 2010 5:45 am
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flassen wrote:
Thanks.

I do not have the tools for the operation, but I shall go shopping.

I shall leave a message, when I have finished the potting.

Thanks for your help so far.


You're welcome.

Remember, after the bubbling stops, agitate the pickup while still submerged to ensure that all the air pockets are gone. The pickup will probably bubble a bit more, which is those air pockets being filled with the wax.

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Posted: Sat Mar 27, 2010 2:08 am
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Hi there.

I have consulted Fender Scandinavia. We have been corresponding about this topic. Our conclusion is, that the pickups are OK. If they are dismounted from the bridgeplate, they don't squeal. The problem must be the bridgeplate.

The bridgeplate is made of steel, which has a magnetic funktion. If the bridgeplate is able to vibrate, it works like a "string". The magnets in the pickup will react to these vibrations and make the squealing sound.

Solution: Eliminate the bridgeplates vibrations.

I used some doublesided tape - for carpets etc. - between the bridgeplate and the body. Voila! - no more squealing.

This operation was easier and less risky than a potting.

By the way, this solution i described by Lindy Fralin. He uses the potting-wax on the bridgeplate to avoid the vibrations.

Thanks for now.


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