From Teleologis–(at)–orry.NoEmail Fri Sep 13 11:08:59 CDT 1996
Article: 107863 of
From: Teleologist
Subject: Re: Strat rewiring questions
Date: Fri, 13 Sep 1996 08:19:50 -0500
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Graham Duncan wrote:
> I’ve read about Don Grosh and Callaham guitars using a blend pot in
> conjunction with the usual 5-way switch to allow all 3 pickups to be used at
> once (or blend in the neck w/ the bridge or vice-versa).
My Strat is wired close to that. I have Texas specials & use a TBX tone control
for all switch positions, so I had an ‘extra’ pot plus half of the contacts on
the 5 way switch un-used(the TBX is wired to the volume pot, like a Tele). I
wanted to be able to fade either the middle or neck pickups into the bridge &
retain all stock Strat tones. Getting all three was a ‘nice, but…..’.

What I did was take apart a 100K linear pot with a centering detent & cut thru
the resistance film diagonally at the ‘center’ position with an Xacto knife.
This pot has 3 internal wiper contacts, so when it’s centered, the center/wiper
terminal is connected to the film for both end terminals(the pot’s internal
wipers ‘bridge’ the cut). Otherwise it acts as a switch – the center contact
connects to either end terminal, but the end terminals are not connected
together(open circuit after the cut).

The center terminal of the pot is connected to the 5 way switch’s ‘middle’
pickup terminal & the middle pickup wire is moved to one of the pot’s end
terminals. The other end terminal is connected to the 5 way switch’s ‘neck’
terminal, as is the neck pickup wire.

With the pot fully clockwise, the switch works like a stock 5-way Strat. In the
bridge/middle switch position, turning the pot down toward half fades out the
middle pickup. At the detent, all 3 are on(but with 50K extra resistance for
the neck & middle). Turning it down further, the middle is cut off & the neck
pickup is faded in(pretty good Tele imitation!). With the pot turned down, the
switch positions were – B B/N N N N .

In order to save the Strat’s Neck-Middle sound with the pot turned down, I used
the 5 way switch’s unused terminals which would corrsepond to the neck & middle
tone control wires on a stock Strat. These 2 terminals short together in the
neck/mid position. The common or wiper terminal should be disconnecetd on this
side of the switch. I jumpered the ‘neck tone control’ terminal to the neck
pickup terminal & the ‘mid tone control’ terminal to the end terminal of the
pot where the middle pickup wire is connected. In the N/M position, the 2
contacts connect the middle pickup to the neck pickup. This gives –
B B/N N N/M N with the pot turned down. With the pot turned up, it’s still
a stock Strat! Best of all no mini-toggles, extra holes, etc.!


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A guide to learning to play Blues Harp

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A collection of songs and riffs that I’ve worked out over the years, plus some libraries of stuff I’ve converted to tablature. I’ve included most of the notes and instructions that helped me when I was learning to play blues harmonica.

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