Happy New Year, everybody! This one recently got traced over on FSB. The 25th Anniversary edition of the Red Llama has an added hi cut tone control, but also has a few variations from the original circuit. The hi cut itself is just a basic cap/pot to ground tone control, the minimum gain resistor on the first stage has been reduced from 100k to 91k, and the 2nd stage feedback loop resistance has doubled up from 1M to 2M. Schematic and more info on FSB.
Thursday, January 21, 2021
Monday, December 7, 2020
Here's a little something I whipped up the other night on a whim. Actually built it on the fly before I even drew up a layout. I was trying to build something with some old mojo caps I found on my bench, and it initially started as a treble booster, but I ended up wanting more gain. Initially it was based on the EQD Arrows, but added an extra cap off the emitter (ala the Rangemaster) for more gain and snarl. I used a germanium transistor with an hFE of around 230. Worked well with a silicon transistor as well. Room for experimenting with the input and output caps. Should fit easily in a 1590B.
Friday, October 16, 2020
Thursday, October 1, 2020
The Tenebrion was designed by CultureJam and is the further development of the Box of Hall reverb. It uses the Belton BTDR-2 reverb brick, which I've designed to fit on the solder-side of the circuit board. You should be able to squeeze it into a 1590B.
Tuesday, September 8, 2020
Tuesday, September 1, 2020
Finally gotten around to creating this tutorial! There's a lot, so it will be released in several videos over the next couple weeks, but the first two are live on YouTube now. So if you're interested in learning Eagle CAD to layout your own PCBs, either for etching, milling or fabrication, go check it out!
Monday, August 17, 2020
Hope everyone's staying safe and healthy. Today's layout is a unique preamp booster from Spaceman Effects, the Atlas III. It uses some FETs I'd never heard of in conjunction with a couple low gain silicon BJTs (use something in the 175-225 hFE range). The switch controls the phase of your signal (it's internal in the original). Schematic can be found here for reference.
Also, I updated the Make a Difference page on the website to include a few funds working to help in the aftermath of the Beruit explosion. It's killed well over 150 people, injured 6000 and left over 300,000 people homeless. If you can, do some good, offer some home and help out some people who are really hurting.