6S4A, RCA, Triode Vacuum Tube
This listing is for an RCA 6S4A vacuum tube, a power triode commonly used in audio amplification and RF oscillator applications. Known for stable performance and high reliability, the 6S4A was widely used in vintage radios, hi-fi equipment, and television sets. With RCA’s reputation for quality, this tube is an excellent choice for restorers, hobbyists, and collectors of classic electronics.
Part number: 6S4A
Brand: RCA
Type: Triode
Use: Audio power amplification and RF oscillator service
Condition: New Old Stock
Cross Reference: 6CK4, 12B4A
This item is New Old Stock (NOS)
New vacuum tube be its original box
Tube HAS NOT been tested by us
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