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

Discussion in 'British Audio' started by Dr. Ears, Jan 14, 2019 at 9:18 AM.

  1. Dr. Ears

    Dr. Ears New Member

    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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