British NOS Tubes Sound Best Just Prior to Death...

Discussion in 'British Audio' started by Dr. Ears, Jan 14, 2019.

  1. Dr. Ears

    Dr. Ears AK Subscriber Subscriber

    Colorado Springs, Colorado
    I have some excellent quads of L 63's, each of which equals 1/2 of a 6SN7, but they take forever to break-in.


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