- Country
-
Manufacturing
- AEG
- Admiral vacuum tubes
- Aero Electronics
- Amalgamated Wireless Valve Co.Pty.Ltd
- American
- Amperex vacuum tubes
- Amperite vacuum tubes
- Apollo
- Aquila Tubi Elettronicie Semiconduttori ATES
- Associated Electrical Industries (AEI)
- Baldwin
- Belvu
- Bendix Aviation vacuum tubes
- Bentley Acoustic Corporation vacuum tubes
- Brimar vacuum tubes
- British military (CV)
- Brush Electronics Company (BRE)
- Burroughs vacuum tubes
- Central Electronic Industries
- Cetron valves
- Chatham valves
- Chelmer Valve
- Cie. Ind. Francaise des Tubes Electroniques
- Columbia Broadcasting Systems
- Compagnie generale de telegraphie sans fil
- Cossor valves
- Cunningham valves
- Dumont
- Edison
- Ediswan
- Eimac
- Electro-Harmonix
- Electronic Enterprises Inc
- Electronic Tubes
- Electronic and Musical Industries
- Elektronska Industrija
- Emitron
- English Electric
- Ericsson
- Ever-Ready
- Federal Aviation Administration (FAA)
- Ferranti
- Fivre
- Future Electronics Corporation
- G V Controls
- G.E.C. (Genalex)
- Gammatron
- General Electric
- General Electric (GE)
- General Electronics
- General Radio
- Gilbert Photo-Electronics
- Haltron
- Heintz & Kaufman
- Hewlett Packard
- Hewlett Packard (HP)
- Hit-Ray
- Hitachi
- Hivac
- Honeywell
- Hughes Aircraft Company
- Hytron
- IBM
- Ideal
- Inter Composants
- International
- International Telephone & Telegraph
- Joint Army Navy US (JAN)
- Ken-Rad
- Lewis & Kaufman
- Litton Industries
- Lorenz
- Marconi
- Mazda
- Mazda vacuum tubes
- Micron
- Militaire francais
- Miniwatt
- Motorola
- Mullard vacuum tubes
- National
- National Electronics Company
- National Union
- Neotron vacuum tubes
- Northern Electric
- Osram
- Ouest Composants
- Penta Laboratories
- Philco
- Philips
- RCA vacuum tubes
- RSD
- Radio Corporation of America
- Radiotechnique
- Rand Radio und Fernmelde Technik
- Rauland & Borg
- Raytheon
- Realistic
- Remington Rand
- Rogers
- SB-Electronik
- Scoba
- Siemens
- Signet
- Sonotone
- Sovtek
- Sperry
- Standard Telephone and Cable
- Sylvania
- Tektronix
- Telefunken vacuum tubes
- Teonex
- Tesla
- Thomson CSF
- Thorn AEI
- Toshiba
- Trigon
- Tronal
- Tung-Sol
- Tungsram
- Ultron
- United Electronics Company
- Valvo
- Various
- Various manufacturer
- Visseaux
- Warren
- Werk fur Fernmeldewesen
- Western Electric
- Westinghouse
- Wurlitzer
- York
- Z & I Aero Services
- Zaerix
- Zenith
-
Function
- Ballast
- Barretter
- Beam power amplifier
- Diode
- Diode pentode
- Diode tetrode
- Diode triode
- Diode triode pentode
- Double diode
- Double diode pentode
- Double diode tetrode
- Double diode triode
- Double tetrode
- Double triode
- Double triode pentode
- Full-wave rectifier
- Half-wave rectifier
- Heptode
- Hexode
- Klystron
- Magnetron
- Nixie
- Pentode
- Photo cell tube
- Quadruple diode
- Relay
- Tetrode
- Thermal delay switch
- Thyratron
- Triode
- Triode heptode
- Triode hexode
- Triode pentode
- Triode tetrode
- Triode twin pentode
- Triple diode
- Triple diode triode
- Triple triode
- Tuning indicator
- Twin diode twin triode
- Twin pentode
- Voltage regulator
- Type
7058 / 12AX7
Best quality double triode tubes manufactured in the United States by RCA or GE. These tough miniature glass 9 pin amplifier tubes are specifically designed for dependable operation in mobile communications equipment. They come with gray plates and top round getters, and are glass etched 7058 U.S.A. With 1972 date codes, they are either printed in red with new style RCA logo 7239, or in white with GE logo ELECTRON TUBE MADE IN U.S.A. 188-5. Boxes are standard RCA or GE.
Data sheet
- Base
- 9 pin miniature Noval B9A
- Boite type
- 1/4
- Emplacement
- SS
- Quide
- 247
- Fonction
- Double triode
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