Special Purpose

Industrial applications demand the long life and stable performance that only Sylvania GB Gold Brand Tubes offer. The GB prefix denotes an outstanding product design-engineered to the specialized requirements of critical commercial and industrial service. Gold Brand tubes were guaranteed to have an average life of 10,000 hours.

New old stock * New In Box * No longer available for export
MFR:  Sylvania
SKU: GB6186-SYL

• Base: Bayonet Candelabra, Double Contact
• Starting Supply Voltage (D.C.): 87 min. volts
• Peak Current: 3 mA, maximum 

New Old Stock * No longer available for export
MFR: RCA
SKU: 991-RCA

Data Sheet

Acorn type detector, amplifier, and oscillator tube
New old stock * No longer available for export.
MFR: RCA
SKU: 955

Designed to function as a photodetector tube in relay systems where very high light sensitivity is needed.
New old stock * No longer available for export.
MFR: RCA
SKU: 931

Carriage type with S-3 response.
Used * No longer available for export
MFR: RCA
SKU: 926-P

Carriage type with S-3 response.
New Old Stock * New In Box * No longer available for export
MFR: RCA
SKU: 926

Designed to function as a red and infrared radiation detector in sound reproduction applications
New old stock * No longer available for export
MFR: RCA, CBS, Westinghouse
SKU: 920

Designed to function as a red radiation detector in relay or measurement applications.
New old stock * No longer available for export.
MFR: Continental Electric, RCA
SKU: 918

Designed for use as a detector and amplifier at ultra high frequencies.
New old stock * No longer available for export.
MFR: RCA, Raytheon, GE
SKU: 9001