(!!!!) (Best Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 1-2% matched (10.2/10.4ma and 10.2/10.6ma)
(!!!) (Best Value Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 2-3% matched (10/11.4ma and 10.2/12ma)
(!!) (Best Value Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 1-3% matched (9.0/9.6ma and 9.0/9.3ma)
(!!) (Best Value) 5Y3GT Russian made NOS branded ULTRON 1970's (3 in stock)
(!!) (Single) AZ11 Philips Miniwatt by Mullard NOS 1963
(!) (Best Value Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 2-3% matched (9.6/11.6ma and 9.0/11.0ma)
AZ11 Ultron Germany NOS 1960's - 1970's (1 in stock)
AZ12 Ultron Germany NOS 1950's rattle inside base from dried glue particles (1 tube)
EF12 Telefunken Germany used/tests like new, stamped top 1940's (sold out)
EF12 Ultron Germany NOS 1950's (3.9ma)
EM11 Tungsram NOS original box (bright green eye)
