DAM Buzzotron

DAM Buzzotron 7bb78528a76c

I was just reminded of this one on FSB and although there are already vero layouts available, I thought it was worth adding to the library for the sake of completeness.  Positive ground so watch the daisy chaining or try the voltage inverter. David Main’s words: “This circuit is a little different to a stock … Read more

Perf Board Tutorial

I thought a tutorial on how to build on perfboard would be a good addition to the blog. There are lots of ways to do it, but this video shows how I do perf builds and how the perf layouts are designed to be built. I filmed this ages ago with great intentions, but it … Read more

Schaller Treble-Bass Boost

Schaller Treble Bass Boost a232ddc97f35

Not much info on this but, it’s a rare West German Schaller vintage “Treble-Bass Boost” from 1968. It typically goes for over $400usd, so fairly desirable. It’s a 2 transistor based booster, with a five position switch that controls the the frequencies being boosted. There’s 2 treble settings, 2 bass settings, and 1 mids setting. … Read more

Electro Harmonix Knockout Attack Equalizer

Electro Harmonix Knockout 1c5fbe28c22f

“The Knockout is a powerful two-filter combination that can make your Les Paul sound like a Strat and your Strat sound like a Tele. Its secret…the Knockout has a 7 pole filter for sculpting the low end of your mids and a 6 pole filter to shape the top end of the mids. This provides … Read more