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PostPosted: Mon Nov 11, 2013 10:13 pm 
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Location: New Market, Maryland
Does anyone have advice on a layout, in turret board style, for an 18 watter without the normal 2 knob channel?


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PostPosted: Tue Nov 12, 2013 12:34 am 
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A little more info needed

1 preamp tube and a pi ?
2 preamp tube and a pi ?
tone stack required ?
no of stages of gain ?


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PostPosted: Tue Nov 12, 2013 4:28 am 
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Thanks for the direction, you know I found a layout but it's PCB, it says variant on 1974X Amp so has 2 12ax7, not the standard 18/Plexi , say like I built here in the past. It's called the Superlite, it's M,B,T,V,G. Yeah, it might be hard finding a layout for 18 watter without the normal channel. Was just thinking about a trimmed down short cab version without the Normal Channel extra wiring work, etc.


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PostPosted: Tue Nov 12, 2013 10:23 am 
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There's a lot of layouts and schematics here (looking at them some of them some of the values are whacked)
but general layouts have the basic idea http://rh-tech.org/public/18-Watt/

Look into www.18watt.com
You'll probably find more accurate info schematic wise

Take a Trinity don't use half a triode cut the board down a little

I always thought about doing it the other way around with just the tone/volume circuit and a switchable cascade in to the other triode

option options and more optons :bugeye:


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PostPosted: Tue Nov 12, 2013 8:55 pm 
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Thanks, I have not been to 18 watt in a year or so...I suppose it's almost as easy to just have the normal channel.


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PostPosted: Fri Jan 31, 2014 11:03 pm 
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This is not turret board, but I'm in the process of building one of these:

http://www.guitaramplifierpcbs.com/liteiib.html


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PostPosted: Wed Feb 26, 2014 12:03 pm 
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I agree to take a Trinity and cut the board down a little to eliminate the normal channel parts or just dont populate the board and save that for a rainy day!
Most people go for the Normal channel version and drop the TMB, because its so easy to do without the extra stack and cathode follower.
Have fun!

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PostPosted: Wed Feb 26, 2014 12:04 pm 
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willowhaus wrote:
This is not turret board, but I'm in the process of building one of these:
http://www.guitaramplifierpcbs.com/liteiib.html



Did you get one recently. Are they still selling boards?

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