R-core !free! -

Do an R-core for:

Preamps, DACs, and amplifiers where noise floor is a concern. r-core

Laboratory instruments that must avoid magnetic interference. Do an R-core for: Preamps, DACs, and amplifiers

Here is where the R-core shines.

If you have ever chased the last dB of signal-to-noise ratio or struggled with the mechanical hum of a toroid, it is time to look at the "R." Do an R-core for: Preamps