Description
Reference Links
Music First Audio
https://www.mfaudio.co.uk/
Re-tubing my preamp
Don Grossinger
18 November 2011
I currently run an MFA Magus C preamp, modified and hot rodded by the designer, Scott Frankland. I am the original owner, use it at least a couple of hours every day, and love the sound.
I'm toying with the idea of replacing the tubes: 2x 12AX7, 1x 12AT7, 1x 6DJ8.
I am wondering:
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