(!!!) (~ Best 5691 Pair ~) 5691 RCA Red Base Black Plates NOS 1959 (2.7/2.8ma and 2.8/3.1ma)
(!!) (#2 5691 red base) 5691 RCA Red Base tests like new no printing 1950's (2.6/2.6ma) 1% section balance
(!!) (~ Best 5691 Single ~) 5691 RCA red base black plates NOS 1948 (2.7/2.8ma) 1% section balance
(!!) 5691 RCA Red Base gray plates low hours/tests like new 1966 - broken center guide pin (3.1/3.2ma)
GL-5691 GE by RCA red base black plates low hours tests like new (1-35=1951) in white box (2.5/2.9ma)
JAN-CRC-5691 RCA red base black plates NOS 1956 (3.2ma/3.3ma) 1% section balance
