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2 ch. rack preamp 
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Main board populated. Just the tone stack and board wiring to do.


Thu May 31, 2018 11:27 am
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GABmiral
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Looking good! Can't wait to hear it!!! :rawk:

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Walt wrote:
But when the hour is nigh, and the lights are low, and I got a little toothpick of a shwag joint in my teeth, and my friends want to hear me play "Into the Void", or "TNT", "or "Cemetery Gates"...I plug my 600 dollar guitar into my 150 dollar amp, and I am a Rawk gawd.


Thu May 31, 2018 12:01 pm
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Zozobra wrote:
Super quick and shitty clip of the first power up of my nitro pre into my speedtwin fx return. The mosfet output buffer isn't swinging enough signal as it and is cutting bass so the output is taken straight from the volume pot here, which isn't great tonally. I should get that ironed out over the weekend then I'll do some proper clips.

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How many preamp gain stages are working here? Sounds pretty rad to me

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Whatnow2012 wrote:
try humberck piskup is bettor for metal than singlecpoil for blues


Unstrung wrote:
ya it am bast


Rampage wrote:
When life hands you distortion, fuck everything else.

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Thu May 31, 2018 12:13 pm
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Should be working by the end of the weekend if I don't end up partying for all of it :lol:

Devin: That is all all the stages but it never quite sounded right compared to the clips of the real thing. Splawn's have loose power amps which is a big part of the tone. I thought I'd give it a shot though. If I built it as a full amp I'm sure it'd work right.


Fri Jun 01, 2018 1:15 am
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Is it 4 stages?

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Whatnow2012 wrote:
try humberck piskup is bettor for metal than singlecpoil for blues


Unstrung wrote:
ya it am bast


Rampage wrote:
When life hands you distortion, fuck everything else.

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Rigs:
Burny RSA65-Hamer USA Californian, Centaura, and Diablo-Warwick Corvette $$
Fryette PowerStation, Peavey 5150 combo, Sound City Master Lead 50, VHT Pittbull Classic, VVT Simo-Plex, Yamaha THR100HD, Taurus THD450


Fri Jun 01, 2018 5:56 am
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Yep, 4 stages with a plate driven tonestack. I used a post tonestack MV whereas the nitro is pre tonestack.


Fri Jun 01, 2018 6:57 am
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Today's progress.

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Sat Jun 02, 2018 8:37 am
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GABmiral
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Man, that looks so neat and tidy! :rawk:

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1969 Sunn Solarus ● 2x 1980's Randall RG-80 ● 2013 Hi-Tone HT103-DG (Winner Best Rig 2014) ● 2015 Mortatone 12/15 Cab w/EV SRO's ● 2017 Jubilee ● Incoming Ceriatone Model Tee
Walt wrote:
But when the hour is nigh, and the lights are low, and I got a little toothpick of a shwag joint in my teeth, and my friends want to hear me play "Into the Void", or "TNT", "or "Cemetery Gates"...I plug my 600 dollar guitar into my 150 dollar amp, and I am a Rawk gawd.


Sun Jun 03, 2018 10:28 am
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Thanks. Tag board is quite neat to work on once you get your head around it. It might still be a self oscillating mess at power up though haha! Cornford stuff is built on tag board and some of those are pretty high gain so it can be done.


Mon Jun 04, 2018 1:56 am
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After a long period of work induced procrastination it's time to pick this back up. In order to get the motivation to properly wire up the 1st channel and call it done I need to get excited about the 2nd channel. I think for this I want to start with a modded SLO and work from there. Crankys Cobra based rack pre sounded killer so I'm starting with that and then adding some known great SLO tweaks as options. First is a tight/loose switch that cuts the bass early on and the other is a 3-way toggle to swap the infamous cold clipper stage between a bit cold, fairly cold and full-fat SLO cold, where the less cold options will sound a but fuzzier. I still have an extra hole for a pot that I need to think about how to fill. Maybe I'll leave it as an unwired pot and label it mojo :cop:


Fri Aug 03, 2018 7:27 am
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Every amp needs a Mojo pot! :lol:

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1969 Sunn Solarus ● 2x 1980's Randall RG-80 ● 2013 Hi-Tone HT103-DG (Winner Best Rig 2014) ● 2015 Mortatone 12/15 Cab w/EV SRO's ● 2017 Jubilee ● Incoming Ceriatone Model Tee
Walt wrote:
But when the hour is nigh, and the lights are low, and I got a little toothpick of a shwag joint in my teeth, and my friends want to hear me play "Into the Void", or "TNT", "or "Cemetery Gates"...I plug my 600 dollar guitar into my 150 dollar amp, and I am a Rawk gawd.


Fri Aug 03, 2018 7:54 am
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