Recent content by wrnchbndr

I've just finished a prototype electric mandolin using a P90 style pickup of my own construction. One of the problems with the prototype is a weak response of the E-string pair. This pair of strings in an octave above the pitch of a guitar. The difference in string response is subtle unless...

I made a design error. On a prototype instrument I made the scale length slightly too long to tune to desired pitch with anything greater than a .009. The string responds weak in comparison to the other strings. (15” scale electric mandolin). The pickup I built is basically a 4 pole P90. It has...

Let’s say I want a pickup constructed like a P90 but for a mandolin. Legend has it that an original P90 has 10,000 turns of wire. My mandolin pickup is going to be shorter and this is going to use quite a lot less wire and have a lower resistance. For a similar type of response, would 10,000...

I have a client with a nice MIM Fender Jazz Bass. It has a factory preamp and the original pickups were humbucking (stacked). The bridge pickup died from an open coil and the replacement OEM pickup has been backordered for over five months. I recommended to the client that he stay with a...