DoomTrain



DoomTrain

Postby new05002 » Thu Mar 28, 2013 5:22 pm

DoomTrain

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The DoomTrain is an 18W amp which comprised of a Matamp GT120 and Trainwreck Express running 2 El84s at 18W or so in cathode bias. There are 2 inputs, 1 for the Matamp GT120 preamp and 1 for the Trainwreck Preamp. The 2 preamps are passively mixed together before the phase inverter and power amp (modeled after a GT120) Controls were simplified to Tone, and Volume for Matamp side, and Tone, Shift and Volume for the Trainwreck side along with a PPIMV style master volume. The tone controls take the general Bass and Treble controls and put them in 1 dual pot. The phase switch refers to how the Tone control operates. In normal phase, when the Tone is increased, this is akin to increasing bass and treble together where as in out of phase mode, the Bass and Treble operate inversely where turning up the Tone results in Bass going up and Treble going down. Likewies if you turn down the Tone, Treble increases and Bass decreases.

Current Status of This Amp: Electrically Complete and Delivered to Customer who will build headshell for himself.



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Re: DoomTrain

Postby Chankgeez » Thu Mar 28, 2013 5:33 pm

I think I may want a piece of the DoomTrain?

Alice: balls have a ball to me to me to me to me to me to me to me to me
"You can't copyright circuits really." - Ed Sanner …………….0.............
"The effects market was really nothing more than a bunch of beggars and theives, all building off one another's work." - Dan Armstrong…...........................…
Sweet dealin's: here

I don't have a pedalboard. If I did, it'd be worth approximately 666 Metal Zones.
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Re: DoomTrain

Postby new05002 » Thu Mar 28, 2013 5:33 pm

Chankgeez wrote:I think I may want a piece of the DoomTrain?



you will have to claw it away from TJ/Wood Wizard
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Re: DoomTrain

Postby Chankgeez » Thu Mar 28, 2013 6:01 pm

Uh oh. I guess I'll have to settle for a different variety of doom?

Like maybe the doomiest (TWSS) practice amp ever invented?
Alice: balls have a ball to me to me to me to me to me to me to me to me
"You can't copyright circuits really." - Ed Sanner …………….0.............
"The effects market was really nothing more than a bunch of beggars and theives, all building off one another's work." - Dan Armstrong…...........................…
Sweet dealin's: here

I don't have a pedalboard. If I did, it'd be worth approximately 666 Metal Zones.
Chankgeez

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Re: DoomTrain

Postby new05002 » Thu Mar 28, 2013 6:01 pm

Chankgeez wrote:Uh oh. I guess I'll have to settle for a different variety of doom?

Like maybe the doomiest (TWSS) practice amp ever invented?


1W?
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Re: DoomTrain

Postby Achtane » Thu Mar 28, 2013 6:09 pm


Doomtrain?
http://www.youtube.com/watch?v=Louy7zH9guw
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Dr. Sherman Sticks M.D. wrote:Und jetzt lass uns ein paar Bäume abfackeln und Beats machen!

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Re: DoomTrain

Postby new05002 » Thu Mar 28, 2013 6:10 pm

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Re: DoomTrain

Postby Chankgeez » Fri Mar 29, 2013 3:42 pm

new05002 wrote:
Chankgeez wrote:Uh oh. I guess I'll have to settle for a different variety of doom?

Like maybe the doomiest (TWSS) practice amp ever invented?


1W?


IDK?

How well does 1W power a 15" speaker?

If it can do that, I'll take it.

I need a practice amp that can handle the lows.
Alice: balls have a ball to me to me to me to me to me to me to me to me
"You can't copyright circuits really." - Ed Sanner …………….0.............
"The effects market was really nothing more than a bunch of beggars and theives, all building off one another's work." - Dan Armstrong…...........................…
Sweet dealin's: here

I don't have a pedalboard. If I did, it'd be worth approximately 666 Metal Zones.
Chankgeez

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Re: DoomTrain

Postby new05002 » Fri Mar 29, 2013 3:56 pm

Chankgeez wrote:
new05002 wrote:
Chankgeez wrote:Uh oh. I guess I'll have to settle for a different variety of doom?

Like maybe the doomiest (TWSS) practice amp ever invented?


1W?


IDK?

How well does 1W power a 15" speaker?

If it can do that, I'll take it.

I need a practice amp that can handle the lows.


Well lows could take some more power. Generally it depends on what you want, 1W clean or 1W dirty ya know
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Re: DoomTrain

Postby Chankgeez » Fri Mar 29, 2013 4:15 pm

Clean and takes pedals well would be my choice.

Somewhere in the 3 to 5 W range w/ a 15"?
Alice: balls have a ball to me to me to me to me to me to me to me to me
"You can't copyright circuits really." - Ed Sanner …………….0.............
"The effects market was really nothing more than a bunch of beggars and theives, all building off one another's work." - Dan Armstrong…...........................…
Sweet dealin's: here

I don't have a pedalboard. If I did, it'd be worth approximately 666 Metal Zones.
Chankgeez

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Posts: 29183
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Re: DoomTrain

Postby new05002 » Fri Mar 29, 2013 4:16 pm

Chankgeez wrote:Clean and takes pedals well would be my choice.

Somewhere in the 3 to 5 W range w/ a 15"?


yea. I might not be the most economical option I will say so thats something to consider.
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Re: DoomTrain

Postby Chankgeez » Fri Mar 29, 2013 4:38 pm

Ah ha ha. Yeah, that's true. Would defintely be the most doomiest practice amp ever though.
Alice: balls have a ball to me to me to me to me to me to me to me to me
"You can't copyright circuits really." - Ed Sanner …………….0.............
"The effects market was really nothing more than a bunch of beggars and theives, all building off one another's work." - Dan Armstrong…...........................…
Sweet dealin's: here

I don't have a pedalboard. If I did, it'd be worth approximately 666 Metal Zones.
Chankgeez

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Posts: 29183
Joined: Tue Oct 11, 2011 1:40 am

Re: DoomTrain

Postby new05002 » Sat Apr 06, 2013 12:52 am

OP updated
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Re: DoomTrain

Postby Chankgeez » Sat Apr 06, 2013 10:00 am

Looks great, Nick. Nice work.
Alice: balls have a ball to me to me to me to me to me to me to me to me
"You can't copyright circuits really." - Ed Sanner …………….0.............
"The effects market was really nothing more than a bunch of beggars and theives, all building off one another's work." - Dan Armstrong…...........................…
Sweet dealin's: here

I don't have a pedalboard. If I did, it'd be worth approximately 666 Metal Zones.
Chankgeez

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Posts: 29183
Joined: Tue Oct 11, 2011 1:40 am

Re: DoomTrain

Postby The Wood Wizard » Tue Jun 18, 2013 5:33 pm

Finally finished the shell for this, Here is the completed Doom Train!
Couple more pics here https://www.facebook.com/media/set/?set ... 963&type=3
Black/green burst with Rough sawn Cedar panel with Cedar trim and Lacewood nosing.

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I make guitars and stuff, check it out at...

THE WOOD WIZARD

:doom:
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