MULLARD 6J6A MASTER 10M SERIES Original Packaging Highly Collectable TESTS NOS

Mullard 6J6A Master 10M Series Dual Triode Tubes. TESTS NOS on Amplitrex AT1000.

All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE, EMISSION and NOISE (large tube lots are not tested for noise).