6CA4 RCA branded Super Airline NOS 1960 era (54/40 and 54/40) Title: 6CA4 RCA NOS

6CA4 RCA branded Super Airline NOS 1960 era (54/40 and 54/40)

recommended for:

– Wright Sound phono
– Counterpoint 5.1
– Reinhardt SVT-18 guitar amp
– STROMBERG CARLSON
– Cary SLP90 preamp
– BOGEN DB230
– Marshall EL84 amp
– Concert fidelity preamp
– Zanden 3000 preamp
– Concert Fidelity CF-080-LSX2 Refurbished