Author Topic: Mark Hammer's STUPIDLY WONDERFUL TONE CONTROL  (Read 388 times)

Vivek

Mark Hammer's STUPIDLY WONDERFUL TONE CONTROL
« on: October 26, 2020, 05:02:04 AM »
I ran into MH's STUPIDLY WONDERFUL TONE CONTROL (SWTC) while analysing Wampler's Ecstasy pedal




Here is what LTSPICE said re the values chosen in the Ecstasy:



Further reading from the revered AMZ :
http://www.muzique.com/lab/swtc.htm
« Last Edit: October 26, 2020, 12:32:09 PM by Vivek »

11-90-an

Re: Marks Hammer's SIMPLY WONDERFUL TONE CONTROL
« Reply #1 on: October 26, 2020, 05:07:02 AM »
Don't forget the 3rd one...  :icon_lol:

http://www.muzique.com/lab/swtc3.htm

flip flop flip flop flip

Mark Hammer

Re: Marks Hammer's SIMPLY WONDERFUL TONE CONTROL
« Reply #2 on: October 26, 2020, 08:40:47 AM »
It's certainly not my idea.  All I did was bring it to people's attention here, and Jack took the handoff and ran it for the touchdown.

Brian's basic circuit does require a small-value resistor in series between the cap and the tone pot, in order for the control to function coherently and predictably.

Note that, because it is single-pole, the effect is subtler than one gets with a TS-style boost-cut tone control.

Vivek

Re: Marks Hammer's STUPIDLY WONDERFUL TONE CONTROL
« Reply #3 on: October 26, 2020, 10:18:46 AM »
Is it possible to have a STUPIDLY WONDERFUL BASS CONTROL ?

anotherjim

Re: Marks Hammer's STUPIDLY WONDERFUL TONE CONTROL
« Reply #4 on: October 26, 2020, 11:10:29 AM »
Did you notice what the truncated thread title reads in this forums recent posts links? See, there is reason for placing an apostrophe was in the right place after all!
  :icon_biggrin:

« Last Edit: October 26, 2020, 11:12:21 AM by anotherjim »
Comprehensively explained.

Mark Hammer

Re: Marks Hammer's STUPIDLY WONDERFUL TONE CONTROL
« Reply #5 on: October 26, 2020, 11:28:30 AM »
Is it possible to have a STUPIDLY WONDERFUL BASS CONTROL ?
That's where you want to have a look here: http://www.muzique.com/lab/swtc.htm

Steben

Re: Mark Hammer's STUPIDLY WONDERFUL TONE CONTROL
« Reply #6 on: October 26, 2020, 02:16:51 PM »
here you go. Just remember while clockwise means "less" (bass ic) just as in a treble control this comes with a linear relation between value of control and corner frequency

f~R (instead of f~1/R)

« Last Edit: October 26, 2020, 02:20:56 PM by Steben »
Rules apply only for those who are not allowed to break them

amz-fx

Re: Mark Hammer's STUPIDLY WONDERFUL TONE CONTROL
« Reply #7 on: October 26, 2020, 02:22:55 PM »
I ran into MH's STUPIDLY WONDERFUL TONE CONTROL (SWTC) while analysing Wampler's Ecstasy pedal

A really nice circuit and I use it frequently in pedals. Thanks, Mark!

Best regards, Jack

Fancy Lime

Re: Mark Hammer's STUPIDLY WONDERFUL TONE CONTROL
« Reply #8 on: October 26, 2020, 03:10:33 PM »
Yupp, best thing since sliced bread. My favorite tone control by far.

Andy
My dry, sweaty foot had become the source of one of the most disturbing cases of chemical-based crime within my home country.

iainpunk

Re: Mark Hammer's STUPIDLY WONDERFUL TONE CONTROL
« Reply #9 on: October 26, 2020, 07:30:15 PM »
i haven't put any tone controls on anything i ever build except for 1, an active mid boost. if i ever put a tone control on any of my pedals in the future... maybe... i'll use the 3rd one of this page
Quote
http://www.muzique.com/lab/swtc.htm

cheers, Iain
If our brains get too smart, they might become self-aware and take over our body's