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ragamuffin, I have not tried the Plexifeta as an overdrive pedal into the front of another amp as I am using it as part of an ampless rig. In my case, it works extremely well, plus I have the option to use a Source Audio EQ2 after it if I need more tonal shaping than it has and my HX Stomp can...

Since building the Particle Accelerator, I decided that a tube overdrive would be a great addition and built a King Nothing as well. The only issue I encountered is that the input distorts too easily as I use active pickups. So, I decided to make a couple of changes to the input stage of the...

No, your not missing anything obvious. In these types of cases, you always double check values to make sure that you didn't install the wrong value component on the board. I also checked to see if Coilcraft is the only manufacturer to label 100uH as 104. MuRata also uses 104 to denote 100uH...

Quick question, did you ensure that your inductor is 100uH (101 marking is typical)? Your pics show 104 (100mH). Big difference if that is the case and maybe a source of your oscillation?

This is a mod I made to my General Tso so I could run it at 18V to try and eliminate the issue I was having which I described in my earlier post. I had to roll my own board as PPCB doesn't offer an intelligent or basic relay switcher and charge pump on the same board and I didn't have any spare...

Q1/J113 would not need re-biased as it is a follower. Any suitable JFET with a large enough VgsOff should work in that position. As for the op amp, I could select another but I would have to order some other alternatives and at this point, I have enough op amps laying around as it is. Anyone...

I noticed a slight distortion sound when I was playing and I determined that it was from the level hitting the input to the pedal. I run active pickups and have looked at the output on an oscilloscope and saw peaks greater than 2V. I know that the input common mode range of the OPA1656 is power...

Hello Everyone, I've got a question on the General Tso. What changes need to be made to run the Tso on 18V? I know that the LED current limiting resistor (R100) and the current limiting resistors for the LDRs (R23 and R25) need to be increased to ensure they do not let the magic smoke out...

Robert, Any update on the toggle breakout boards for the Salesman? Thanks. -Sean

Awesome Job Feral Feline! One other bit of information, I ended up changing C8 to see what the effect would be and with it and the C11 change, it may have that top-end sizzle that you want, in excess. I don't know if you need to make any of the changes in the diff-pair/output stage of the...

Hi tegendemuur, My typical tweaks involve putting in sockets for various components so I can swap out different components. Any build that i do that has a transistor (BJT, JFET, etc...) I almost always put in a socket so I can change it out easily for a different one or replace if needed. I do...

@DeadAirMD, yes, this schematic was for modding the DVP4 but I don't see a reason why it wouldn't work for the DVP5. Same requirements apply if you want to add a toe switch. -Sean

Hi Sturdag, The case with lid weighs in the range of 15 to 20 lbs. Not too terrible but still not extremely light weight. I was more interested in protecting all of my pedals and minimizing all of the connections to the board: 1 input, 1 output, and 1 power cable. I made my own power supply for...

Hi DeMan_85, I just looked and the HX Stomp manual and it recommends using momentary switches. I could think of several reasons why and why not to but I would just follow their recommendations on that. To set up the exp pedal/toe switch do the following: Enter Global Settings > Preferences Set...

Hi DeMan_85, 1. The wiring is very straight forward. I have attached the schematic to help in sorting this out. 2. There is no need for a on/off switch as the software provides the latching so a simple on-(off) switch works. You can use a latched switch but you need to change the settings...

This is the switch I used: Mouser part no.: 691-110PM-OFF This switch has 6-8lbs of actuation force. works great for this application. You have to really WANT to activate this switch which is better than the other alternatives of 2lbs or less actuation force. You will also want to use this...

I've built the Bobby and the Doxie. I reduced the gain in the Doxie to make it sound more like a blackface (cleaner tone as opposed to more breakup) and it sounds very good. The gain of the Bobby would be reduced in a similar was as to the Doxie, by increasing the value of R3 and/or R5 from the...

Funnel, Thanks. Its taken some time but I am really happy with this setup. I have been working on this type of system since I got an HX-Stomp and realized I wanted more buttons and upgraded to the Stomp XL. The amp-in-a-box type pedals allow me to still have the feel of a real amp with all of...

Hello Everyone, After searching and finding nothing in the small DVP4 sized form factor with a toe switch, I decided to mod a DVP4 for a toe switch. I wasn't sure if it would fit but once I had the pedal gutted, there was plenty of room. Its a tight squeeze for the switch and jack as I didn't...

Hello Irgaraujo Thank you for the compliment. I have not noticed any issues with the three charge pumps running from the same supply. I am also running the arduino based switching system from the same supply that supplies the three pedal boards. Still no issues with noise, even with the pedals...