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Cardinal Harmonic Tremolo with TAPLFO

7/25/2014

2 Comments

 
The Cardinal Harmonic Tremolo is a great tremolo by Jon Patton that is based on the harmonic tremolo effects found on certain Fender amps 1960-1964. "It’s an unusual, and beautiful, combination of mild phasing and amplitude modulation".

I decided to make a layout without the regular IC LFO and use the TAPLFO from Electric Druid insted (as suggested in the schematic). It was easier to make two separate board for the tremolo and LFO. The recommended vactrol VLT5C1 works best in this circuit. The 10K trimmers set the bias for the J201. Just turn them until it sounds good. :)
Picture
The TAPLFO board is just a slightly modified version of the stand alone board I did before. Read more about the required HEX code and PIC programmer in my earlier Tap Tremolo post or visit Electric Druid.
Picture
2 Comments
roseblood11
3/2/2017 01:37:20 pm

Jon Patton posted a second version of this circuit, with improved dry signal path. It would be really great if you could update your version as well! http://1776effects.com/wp-content/uploads/2015/12/Cardinal-Trem-V2.pdf

Reply
Fredrik Lyxzén link
3/6/2017 01:44:40 am

Hi,
When and if I have time I will look into it. But for the moment it's way down on the "to do list", so I can't promise anything. Cheers / Fredrik

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