A lot of people have said this is a great "Marshall in a box" and it's a pretty simple circuit so worth a try. I did a big axial mojo layout for this a while ago, but have re-done it here using more commonly used (and space friendly) components.
It's funny but it occurred to me when doing this how similar it is to the Krank Distortus Maximus that I did a layout for a few weeks ago. It's so unlike Lovepedal to use someone elses designs ........ ermwait ..
Here's a collection of vero (stripboard) and tagboard guitar and bass effect layouts that we have put together covering many classic and popular effects in growing numbers. Many of these have been posted on freestompboxes.org, so check that site out for great discussions on building your own effect pedals. Enjoy the builds and please also visit us on Facebook and Twitter
Friday, 25 February 2011
Tuesday, 15 February 2011
ZVex Woolly Mammoth - vero
I had a request for a vero of the Mastotron, so here's the Woolly Mammoth which is virtually the same, with the Mastotron just having an additional 100K linear pot which the input is taken to before the first capacitor.
The new input wiring with the Relax/Pull pot can be seen on my tagboard layout here:
http://tagboardeffects.blogspot.com/2010/02/zvex-mastotron.html
This layout is also verified:
And Finally. In case anyone runs into problems, here are thevoltages from a working board with all the pots maxed.
Supply at 9,33V
Q1 Emitter: 0V, Base 0,58V, Collector 1,2V
Q2 Emitter: 0,88V, Base 1,2V, Collector 2,3V
Yours should be around 10% away from these.
http://tagboardeffects.blogspot.com/2010/02/zvex-mastotron.html
This layout is also verified:
Geiri's demo of his build:
And Finally. In case anyone runs into problems, here are thevoltages from a working board with all the pots maxed.
Supply at 9,33V
Q1 Emitter: 0V, Base 0,58V, Collector 1,2V
Q2 Emitter: 0,88V, Base 1,2V, Collector 2,3V
Yours should be around 10% away from these.
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