Built a Crack this weekend... couldn't build it stock though :)

vanofmonks · 3700

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Offline vanofmonks

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Replaced the final PS Resistor with a choke.  Put c4s's on th driver tube.  Added a crossfeed circuit.  The crossfeed doesn't seem to do anything, and it seems to have only about a 2k input impedance.  So i'm not sure if I screwed it up.  It still sounds awesome.
(http://img697.imageshack.us/img697/420/crackbottom1.jpg)


(http://img227.imageshack.us/img227/1745/crackbottom2.jpg)


(http://img94.imageshack.us/img94/4862/cracktop.jpg)
Chris



Offline Paul Birkeland

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Which choke did you end up going with?

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man


Offline vanofmonks

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The same one that is in the Paramour 1 with the transformer with the solder tabs.  That one is actually from one of my old paramours (thats why its painted).  It has a 270 ohm or so DCR with 10 H.  I think it is a triad c7x if I remember right.



Offline Paul Birkeland

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I think it is a triad c7x if I remember right.

Perfect!  Are you using a CLC supply?  I ask because I stated that it is likely quiet enough to have 220uf-> 10H -> 220uf (or 440uf if you double up), but I have yet to try it.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man


Offline ironbut

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CB,
Speaking of PS's, how did your experiment with the OD3(?) go? I like the creamy texture glow tubes give to some amps but sometimes it's a little too much for my taste.

steve koto


Offline vanofmonks

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I'm running it CRCLC.  Just replaced the resistor between 13 and 15 with the choke.