BIRD Digital RF

New old stock * No longer available for export
MFR: RCA
SKU: 12AT7WA-RCA

Used in audio amplifiers
MFR: Sylvania
SKU: 6BQ5-SYL
New Old Stock * No longer available for export
NOTE: Picture for reference only.

New Old Stock * New In the Box * No longer available for export
MFR: RCA , USA * MFD: Made in Great Britian
SKU: 6KG6-RCA-UK

Designed to be used in AGC, IF, and video amplifiers 
MFR: Sylvania
SKU: 6AN8A-SYL
New old stock * No longer available for export

Commonly used as a vertical-deflection oscillator and horizontal-deflection oscillator in television receivers

New old stock * New In Box * No longer available for export
MFR: Raytheon, Sylvania, Realistic, RCA, Philips ECG
SKU: 6FQ7/6CG7

Designed to be used in a vertical deflection amplifier in a TV receiver that uses 110 degree deflection picture tubes
MFR: Sylvania
SKU: 6EZ6
New old stock * No longer available for export.

Designed to function as a gated amplifier in a color TV receiver. In such service it acts as a sync separator or sync clipper.
MFR: Sylvania
SKU: 12CS6
New old stock * No longer available for export.

Designed for use as a horizontal-deflection amplifier in color television receivers.
New old stock * New In Box * No longer available for export.
MFR: Sylvania/ECG, USA
SKU: 36KD6-SYL

Designed to function as a horizontal beam deflection amplifier
New old stock * No longer available for export.
MFR: Sylvania
SKU: 6JU6-SYL