Tuesday, February 10, 2009

Mullard M8137 NOS tubes

I have a pair of these Mullard tubes installed in my phono stage (SOFTONE Model 4) replacing the stock tubes - SOVTEK 12AX7LPS. These NOS Mullard M8137 are also milliatry specs CV4004 (equivalent to 12AX7) and are much sought after for pre amp use.

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