BIRD Digital RF

Designed to function as a sync separator, AGC amplifier, and noise inverter

New old stock * No longer available for export.
MFR: Sylvania, RCA, CEI, Magnavox
SKU: 6KA8

Tube is designed to function as a discriminator, limiter and audio voltage amplifier in FM and intercarrier television receiver.
MFR: GE, Amperex, Sylvania, Zenith
SKU: 6BN6
New old stock * No longer available for export

New old stock * New In the box 
MFR: General Electric
SKU: 6KV6A-GE

Designed to operate as a voltage amplifier and as a video output tube in TV receivers.
MFR: GE, RCA, Tung-Sol
SKU: 6KV8
New old stock * No longer available for export.

Beam Power Amplifier tube Beam Power Amplifier
New old stock * Not for export
MFR: GE, Made in the USA
SKU: 6LB6-GE

Pentode section is designed for video amplifier service. Triode designed to operate as a voltage amplifier.
MFR: GE
SKU: 6LB8
New old stock * No longer available for export.

Triode is designed for service as a vertical-deflection oscillator, and the pentode as a vertical-deflection amplifier in television receivers.
MFR: GE, RCA, Zenith
SKU: 6LR8
New old stock * No longer available for export.

Substitute for the 6LF6
New old stock / New in box * No longer available for export
MFR: GE
SKU: 6LX6-GE
Picture for reference only.

Designed for a horizontal oscillator and AFC services in the horizontal deflection amplifier systems of TV receivers
MFR: Philco, GE, CEI, Raytheon
SKU: 6LX8
New old stock * No longer available for export.