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Active Boost Strat???????
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DanLP
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#1
1st July 2013
Old 1st July 2013
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Active Boost Strat???????

I am approaching the finish line on my partscaster and I am trying to figure out how to wire it up.

What I would like to accomplish is having a master volume, master tone and a boost knob. I really like the boost that is in the Clapton Strat but I do not care for the TBX portion. So my question is, what value pots and caps do I need? And is there a boost circuit out there that is like the Clapton without the TBX?

I am trying the GFS '62 Overwound Staggered pups and they each measure between 9.0 & 9.8.

I realize a battery is needed and I already routed a battery box on the back of the body near the trem cover.

Simplicity is key to me, as I mentioned, I just want one volume, one master tone and the location of the second tone knob will now be my boost control.

Thanks for any advice, Dan.


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1st July 2013
Old 1st July 2013
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Do gfs themselves not offer a clean boost? Or you can build a SHO (very simple, google it on gearpage or t d p r I) and mount it in there.
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1st July 2013
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This is a nice and simple little circuit that could do what you want. The usefulness of a boost pot might be a bit dubious though.
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1st July 2013
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I had this on a cheap squier strat once, already came from the previous owner with it and worked great.
DanLP
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1st July 2013
Old 1st July 2013
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Quote:
Originally Posted by BrunoGF View Post
I had this on a cheap squier strat once, already came from the previous owner with it and worked great.
That is the circuit I was considering. Any idea how it compares to the Clapton circuit? I like the Clapton boost with the TBX at the neutral middle position (thus the reason why I don't want the TBX control). I understand how the GFS boost circuit works, in theory, with the 5 way rotary dial. But what I don't know is if each of the 5 positions are incremental amounts of dB? Or are they different voicings?

Probably like most everything, I am over thinking things. I do want to try and get a nice result the first time around though.

Any idea what pots and caps work well with the GFS boost for volume and tone?



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1st July 2013
Old 1st July 2013
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Quote:
Originally Posted by DanLP View Post
That is the circuit I was considering. Any idea how it compares to the Clapton circuit? I like the Clapton boost with the TBX at the neutral middle position (thus the reason why I don't want the TBX control). I understand how the GFS boost circuit works, in theory, with the 5 way rotary dial. But what I don't know is if each of the 5 positions are incremental amounts of dB? Or are they different voicings?

Probably like most everything, I am over thinking things. I do want to try and get a nice result the first time around though.

Any idea what pots and caps work well with the GFS boost for volume and tone?



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Never compared that strat with a Clapton signature so I can't tell you, I had a clapton sig sitting here for some time but it was long since the Squier was gone. As far as I remember I could get a similar tone but the GFS kit was capable of achieving higher gains (I mean really high gains) with low output (~6k) pickups.

Each step on the knob increases the output of the pickup.

The pot came soldered on the circuit board so I think its provided by GFS so I wouldn't worry about that.
DanLP
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1st July 2013
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The pot came soldered on the circuit board so I think its provided by GFS so I wouldn't worry about that.[/QUOTE]

Thanks for the opinions of your experience between the two. What I mean by pots and caps, is for the master volume and master tone. I know the Clapton run boost circuit uses a 25k volume pot, which is a far cry from a 250k or 500k.

From the way I am looking at the GFS boost, is that since it's a self contained pot and circuit that maybe other electronics in the guitar will not affect how it operates.

I just don't want to waste the time wiring and installing everything just to find out the hard way that something was overlooked.



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1st July 2013
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I had it with 250k for both volume and tone.
Caps: .047 (470 pF) on tone pot and the same on the volume knob to prevent treble bleeding.
DanLP
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1st July 2013
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Thank you.

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1st July 2013
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1st July 2013
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Thanks for that John, I found the diagram that I need from that site. The only thing it did not specify was what value the pots and cap are. They did have a diagram for Clapton boost with TBX and without TBX, the latter is my interest.

http://www.guitarelectronics.com/pro...SS5L12-03.html


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