KEN-RAD VT 231 - 6SN7GT from early 1940's
Made in USA
NOS tubes never used
Tubes tested on AMPLITREX with really strong results
GM values :
first tube : 100% - 92%
second tube : 97% - 92%
SALE FINAL & AS IS and NO RETURN ********** PAYMENT PAYPAL
WORLDWIDE SHIPPING BY REGISTERED AIRPOST : $ 30