Re: My GAS Range (RangeMaster) pedal



Nice job! I sometimes use an old Dallas-Arbiter treble booster to push a
blackface Princeton amp that I'm rather fond of. It really kicks! I've
read rather lengthy postings about the affect of various components on the
circuit. Sort of affects on the effect I guess. One of the most
"interesting" was how the placement of an LED indicator in the path can
change the tone. I'm not that technical or knowledgeable! One thing about
the D-A that I do know is that when the booster, amp and guitar settings are
"just right," the squeal or harmonic feedback can feel like an ice pick
being driven into one's ear. ;-)

Thanks for the pix,
Lulu





"PMG" <xxxxxxxXX@xxxxxxxxxxx> wrote in message
news:mtr2f1pbrh3umn7orsabepu5dtf6398nbn@xxxxxxxxxx
> Ok, I'm finally done with this thing. Thank God. Pedals are a pain
> in the *** to build.
>
> But here it is, my GAS Range pedal, based on the Dallas Arbiter
> RangeMaster circuit. I used the schematic found on this website:
>
> http://www.boardsprep.com/mp3/treble_boosters.htm
>
> In place of the OC44 or NKT275 transistors suggested on the schematic,
> I used an NTE158 Germanium transistor because it was easy to get hold
> of. And in place of the .0068uf input cap, I used a .01uf, and a
> .005uf to come up with .015uf. I used the suggested .10uf output cap,
> and it's wired PTP between the pot, and the DPDT Carling stomp switch.
>
> The jacks are SwitchCraft, and those were wired into the enclosure
> using cloth covered solid core wire because I like using it, and I
> want those wires to stay put. The wires that need to flex are
> recycled stranded wire from a car stereo wiring harness. The cloth
> wire, Carling stomp switch, and the jacks are from Lord Valve, and
> most of the rest is from PartsExpress.
>
> Pictures:
>
> I like that polished aluminum look, but hate polishing it:
> http://amplifyer.home.comcast.net/GAS_Range/RangeMstr_front.jpg
>
> Inside view, all wired up:
> http://amplifyer.home.comcast.net/GAS_Range/GASrange_inside.jpg
>
> This is the underside of the perf board:
> http://amplifyer.home.comcast.net/GAS_Range/GASrangePerf_flipped.jpg
>
> I put that one polarized cap on the underside of the perfboard to keep
> down the clutter.
>
> Don't want to do this again anytime soon, but the pedal's a blast to
> play through and gives me a lot more gain than I need (I have to run
> it at less than 50%). It's like a boost pedal with an attitude. I
> like it a lot better than the MXR MicroAmp and the EH LPB-1.
>
> Nice pedal, but it's a combination of a good circuit design, and a lot
> of blind luck selecting parts.
>
> Pete
>
> --
> But if you are after mere parlor tricks,
> you will be sorely disappointed. --Dr. Orpheus
>


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