MATCHED and BALANCED PAIR of:
KEN-RAD 6SN7GT CV-231 Black Glass, military grade construction, matched date factory codes, WWII era, roughly made for U.S. Army Contract Sigmal Corps.
NEWS into original, were full tested on Hickok TV7-A/U Military tube tester, the Matched / Balanced top values are:
Tube 1 = 106 - 105 , Tube 2 = 107 - 105.
Min Recommended 50 - 50
Checked ok: no gas, leaks or shorts.
For recognized Audio Connoisseurs the KEN-RAD VT-231 are among the best 6SN7 ever made.
Shipping to Worldwide by registered parcel, will be well packed for maximal safe arrival.
Any question or your BEST OFFER are welcome and quickly responded.