(!!!!) (Recommended PAIR) 6AC7 RCA NOS 1961 (11.4/12.4ma)
(!!!) (Best Pair) 76 Sylvania Philco NOS 1946 (5.1ma and 5.1ma)
(!!!) (Best Pair) 76 Sylvania Philco NOS 1946 (6.0ma and 6.1ma)
(!!!) (Recommended Single) 5691 RCA red base black plates NOS 1957 (2.0/2.1ma)
(!!!) (Recommended Single) 5691 RCA Red Base black plates used/good 1959 (2.3/2.0ma)
(!!) (Best Pair) 76 Sylvania black plate NOS mid-1940's (5.2/5.3ma) 1-2% matched
(!!) (Recommended Pair) 76 Sylvania black plate NOS mid-1940's (4.7/4.7ma) 1-2% matched
(!!) (Recommended Pair) 76 Sylvania black plate NOS mid-1940's (5.1/5.0ma) 1-2% matched
(!!) (Recommended Pair) 76 Sylvania black plate NOS mid-1940's (5.3/5.6ma) 1-5% matched
(!) (GOOD VALUE PAIR) JAN-CRC-6AC7=VT-112 US Brands 1941-1944 used/good (7.0/7.1ma)
(!) (Recommended Pair) 76 Sylvania black plate branded Tungsol and Westinghouse NOS 1946 (5.6ma and 5.4ma)
(!) (Recommended Pair) 76 Sylvania black plate NOS mid-1940's (6.6ma and 6.5ma)
(!) (slightly microphonic) JAN-CRC-6SL7GT RCA NOS black plates 1951 tilted glass (2.0/2.2ma)
2X2 National Union NOS (3 in stock)
2X2A RCA NOS 1956