The Wizard is a new distortion pedal, inspired by Tony Iommi's guitar sound on the early Black Sabbath albums. It is well known that he used a modified Rangemaster to drive his amps, so the same principle was used for The Wizard. The first gain stage is essentially a Rangemaster, using a germanium transistor, but tweaked for a full range boost. That drives a distortion circuit which has been designed to give something of the tone and feel of a Laney Supergroup amp. Obviously, there is no substitute for a full stack at volume, but The Wizard has a similar distortion character and responds well to picking dynamics.
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Sunday, 22 October 2017
Castledine Electronics The Wizard
From the source:
The Wizard is a new distortion pedal, inspired by Tony Iommi's guitar sound on the early Black Sabbath albums. It is well known that he used a modified Rangemaster to drive his amps, so the same principle was used for The Wizard. The first gain stage is essentially a Rangemaster, using a germanium transistor, but tweaked for a full range boost. That drives a distortion circuit which has been designed to give something of the tone and feel of a Laney Supergroup amp. Obviously, there is no substitute for a full stack at volume, but The Wizard has a similar distortion character and responds well to picking dynamics.
The Wizard is a new distortion pedal, inspired by Tony Iommi's guitar sound on the early Black Sabbath albums. It is well known that he used a modified Rangemaster to drive his amps, so the same principle was used for The Wizard. The first gain stage is essentially a Rangemaster, using a germanium transistor, but tweaked for a full range boost. That drives a distortion circuit which has been designed to give something of the tone and feel of a Laney Supergroup amp. Obviously, there is no substitute for a full stack at volume, but The Wizard has a similar distortion character and responds well to picking dynamics.
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Thanks Zach/rocket88. This is the pinnacle of iommi tones from the average amp and I salute toy for the valiant effort
ReplyDelete* you.
ReplyDeleteDamn auto correct
Cheers man. Enjoy.
DeleteThis is great!
ReplyDeleteWe don´t need to worry about drain bias resistors here, right?
Nope. The FETs are setup in a mu amp arrangement so no worries about biasing the drain of the FET.
DeleteThanks for the layout Zach. I built it and everything works but it doesn't seem quite right. Output volume is low just barely reaching unity fully cranked. I used a 130 Hfe MP38A Russian germ for Q1.
DeleteThe version i built from the forum also has low output volume. I did notice that seems to be the way it is from watching YT vids though.
DeleteThat 470k resistor before Volume3 is asking for a downgrade then, I think...
DeleteYep, swapping 470K to 100K made a very positive improvement for me. Thanks trapiak!
DeleteI ordered some 2n1308s.
ReplyDeleteIn the mean time, could I just drop a silicon npn there ...?
MP38 vs MP21A as replacement for germanium CV7351?
ReplyDeleteMP38A is a solid device and usually comes in higher gain ranges than MP21A. I'd go with MP38A. Both are definitely better than the original when it comes to temperature changes.
Delete+m
Thanks so much ;)
DeleteLooking at the layout, I think we can skip the board J-12 cut.
ReplyDeleteThis comment has been removed by the author.
ReplyDeleteI'm up and running but getting a large amount of hum running from an ac adapter. Has anyone else experienced this?
ReplyDeleteThere should be a 47ohm resistor between the 100uf cap and the 9 volt pad.
DeleteWould love to build this pedal but can't seem to sort these transistors anywhere? I am somewhat a novice in the pedal building world so any help would be helpful!
ReplyDeleteI am also a newbie to this... I would appreciate anyone's advice on a few questions about the drawing:
ReplyDeletewhat are the red circles with the white dots? cuts in the copper trace?
Are the 47nF caps connected to rows A and D? or B and C?
Those red circles are right the cuts in the copper trace.
ReplyDeleteAnd the 47nF are probably connected in rows B and C. When you has these kind of doubts try to take a look at the schematic.
This verified?
ReplyDeleteIt should be, but I think you have to swap the 470k between the Treble 2 and the Volume 3 with a 100k to increase the output.
DeleteI don't know if there something other mistake in this layout.
hello !
ReplyDeletethe Laney Black Country Customs TI Boost schematic was released, can you create a tagboard?
https://www.pedalpcb.com/docs/DarkEsbat-PedalPCB.pdf
thanks
Hi Andy. That sure is interesting. If you could go to the forum, you will find a Request part. I'm sure a lot of people would be interested in drawing a layout for this if you'd post it there
Delete