Exactly 63 years ago today, Kennedy announced the moonshot. While it's not as big a deal, today Underhill announces the "Moonshot"...

Individual modules are tested before being sold or built up into preamp systems.

This part shows the surface mount soldering in the oven.

All preamp orders now come with a screwdriver that's the perfect size for tightening the screw terminals and adjusting the trim pots!

I'm starting a series of very short videos showing the steps in making preamps.

NOTE: This is now in the FAQ section.... This is a rough draft of a new FAQ to describe what a "filter" is. Let me know what you think!...

The BA Buffer for active pickups has been re-designed with a screw connection for the positive battery connection. This makes it much...

The Focus is on Painless Installation! Solid round shafts let you orient your knobs the way you want. All bushings are 10mm long for...

A comparison of the Underhill Full English preamp and another preamp with the same features (push-pull Q boost, treble boost). Identical...

We've been so busy working on new stuff for next year that I needed a break, so I made some "Pumpkin Spice" cables to send off with...

Nothing has changed from our informal policy (we haven't actually had any defects to warranty so far!), but I finally got around to...

These inexpensive knobs have excellent fit and finish, and a recess that will clear 1/2" Pot Nuts. For a flush fit, the shaft needs to...

Preamps are tested and shipped with all of the cables connected. If you are re-arranging or changing modules or cables, MAKE SURE THAT...

After three years of one day order delivery, We are taking next week off! Orders placed next week will start going out July 8. Thanks for...

My great bassist friend Wally came for a visit, and we recorded some demos of the Underhill filter preamp. This is the first of at least...

Andy posted a great video of a new bass he modded with a Multicoil Full English and Turner pickups. Check it out.