archive

archive vacuum tubes

Tube images

Pinout and connections

Pinout diagram
Pinout diagram

Base: B9A - Noval, 9 pin miniature (USA pico-9) (Codex=No 15)

Electrical data

Filament

Coupled filament configurations

Filament voltage Vh
6.3 / 12.6 V
Filament current Ih
0.3 / 0.15 A

Maximum ratings

Maximum anode voltage Va max
300 V
Maximum anode dissipation Pa max
1 W
Maximum cathode current Ik max
0.008 A
Maximum filament-cathode voltage Vhk max
100 V

Substitutes

Other available variants

Datasheet PDF

PDF Language Pages Manufacturer
12AX7 (2) 4
12AX7.pdf 13
12AX7.pdf en 4 General Electric
12AX7.pdf en 3 Tung Sol
12AX7.pdf en 4 Sylvania
12AX7.pdf en 11 Brimar
6681 12AX7 (2) en 2 RCA

EL84 ECC83 12AX7 EL34 6L6GC 300B KT88 GZ34

123,885 Catalog valves
19,464 Stored valve datasheets

How to use the Valve Archive

EnryLab Valve Archive allows you to search for PDF datasheets and technical documentation by entering the exact code of a vacuum tube. Enter codes such as EL84, ECC83, 12AX7, 6L6GC, or 300B to view variants, manufacturers, and documents available in the technical archive. The search uses exact matches, thus avoiding partial or irrelevant results and making it easier to find the correct datasheet.

Datasheet PDF and frequent searches

The most searched acronyms have dedicated and indexable pages, with clean URLs and linked documentation. You can start with frequent searches to quickly consult the most used valves in the audio, radio, and technical restoration fields.