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Original Message
RE: Limiting low frequency response of SE amp
Posted by Eli Duttman on February 4, 2017 at 12:15:34:
RC filters follow a fairly simple formula.
(2Π) (Cfarads) (Rohms) (Fhertz) = 1
Any 2 of the 3 variables define the 3rd.
In the case of "El Cheapo", the 0.056 μF. cap. and 100 Kohm resistor "corner" at 28.4 Hz. Here, the filter is high pass.