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Post subject: 4 way switching
Posted: Mon Oct 13, 2008 9:52 am
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hi sorry to be a pain but can i ask what a 4 way switch does. i can see how a 3 way could do bridge, neck, and both, but what on earth is the 4th setting?!?!

thanks


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Posted: Mon Oct 13, 2008 5:08 pm
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The 4-way mod. gives series and parallel switching. Stock Tele wire is series, and adding parallel wiring, with the 4-way switch, gives it a beefier, fatter tone with both pickups. For switching, you'd have:

1) bridge pickup only
2) bridge and neck in series
3) bridge and neck parallel
4) neck pickup only

Matt

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Posted: Tue Oct 14, 2008 6:58 am
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Surfabilly wrote:
The 4-way mod. gives series and parallel switching. Stock Tele wire is series, and adding parallel wiring, with the 4-way switch, gives it a beefier, fatter tone with both pickups. For switching, you'd have:

1) bridge pickup only
2) bridge and neck in series
3) bridge and neck parallel
4) neck pickup only

Matt


I think it is the other way around. Stock Telecaster position 2 is both pickups in parallel. If you have an S-1 switch you can get both pickups in series. When you have two impedances in parallel, the total circuit impedance is lowered. When you put two impedances in series, the impedances add.

In support of this argument I offer the fact the a humbucker, which generally has a higher impedance than a single coil pickup, is built by taking two single coil pickups and wiring them in series. Of course the magnetic poles are reversed and the wiring goes around in opposite directions. But the end result is phase cancellation for noise, and phase reinforcement for signal.

Listen to the sound of a stock Telecaster. The bridge pickup is very strong. When you switch to position 2 the sound is not as loud as the bridge pickup by itself. That is your clue that in switch position 2 the pickups are wired in parallel. Same is true for any two pickup Gibson.


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Posted: Tue Oct 14, 2008 4:52 pm
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Location: Connersville, Indiana, USA
soggycrow wrote:
I think it is the other way around.

It's been "a little while" since I've actually done anything with electricity/electronics circuits, so my mental image of which way is which is getting a bit fuzzy. I'll do good, as long as I'm looking at a wiring diagram, especially since I'm planning the 4-way mod. for 2 of my 3 Teles.

Matt

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