With an output impedance of 330K playing into 175pf the -3db point of the low pass filter will be 2756Hz. The -1db point will be at 1378Hz.
That is a massive lose of high frequencies.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
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This Post Has Been Edited by the Author
In Reply to: RE: DHT 01a tube preamp posted by mwhouston on February 15, 2025 at 16:09:10
With an output impedance of 330K playing into 175pf the -3db point of the low pass filter will be 2756Hz. The -1db point will be at 1378Hz.
That is a massive lose of high frequencies.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
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