BENSON: Preamp, Dylan159 Modded

BENSON Preamp modded vero layout 9f402dafa9fb

This is a modded Benson Preamp by Dylan159 on Freestompboxes.  Dylan has taken the original and simplified it but has retained the overall character.  Quite a detailed explanation via the link above, including a schematic, LTSPICE model traces, audio and his vero layout.   What a solid effort. For me, this is useful, as it has a standard … Read more

JOHN HORNBY SKEWES: Hybrid Zonk Machine, 0.15″ Vero Layout

HORNBY SKEWES Zonk Machine Hybrid vero layout f3c5866f28e6

This is the original layout for the Hornby Skewes Hybrid Zonk Machine (Silicon / Germanium).  Unfortunately, the trimmer needed to be a different size for the layout, so I had to make a strange triangular marker. HORNBY SKEWES HYBRID ZONK MACHINE – 0.15″ VERO LAYOUT (ORIGINAL)

Electro Harmonix Frequency Analyzer – Modern version

EHX Frequency Analyzer AD633 e8feaaf4c0bf

 The modern version of EHX Frequency Analyzer. The ICL8083 IC is obsolete but there is still some vendors that have it in stock. Came out taller than expected since I wanted the bipolar voltage doubler circuit on the same board as the main circuit. But it will fit sideways in a BB enclosure… Schematic is … Read more