STC CV391 (5B/255M) Vacuum Tube
Category: Audio
This CV391 (5B/255M) was manufactured in England by Standard Telephones and Cables (STC) as a transmitting and power-amplifier vacuum tube for British government and industrial applications. Electrically similar to the 807 and 6L6 families, it boasts the rugged construction standards associated with British military and communications equipment.
Archive Assessed, Apos Assured
All Archive tubes are thoroughly tested, inspected, photographed, and inventoried, guaranteeing the quality of each tube that's shipped to customers. All tubes carry an Apos 12-month warranty against manufacturing defects.
Are the tubes...dusty...?
Because these are genuine New Old Stock tubes, small cosmetic irregularities may be present. These aren't defects but artifacts of vintage manufacturing and decades of storage. They have no impact on reliability or sonic performance.
Specs
- Brand / Type: STC CV391 (5B/255M)
- Military Grade: Yes
- Made in: UK
- Box Type: NOS in New Box
- Tested on: Amplitrex AT1000 Advanced Digital Tube Tester
