Artifact Details


Vacuum tube type 12AX7 with text only box

Catalog Number



Physical object


Both tubes have 9 connector pins. "RAYTHEON", "U.S. ARMY - 12AX7", and "MADE IN U.S.A." are printed in red on the side of the tubes. The boxes are off-white with "U.S. ARMY 12AX7" printed in black on the top flap and "ONE EA. ELECTRON TUBE / U.S. ARMY 12AX7 / 21345-P-54-59(31) / MFG. BY RAYTHEON MFG. CO. / DATE PACKED 11/54" printed in black on one side panel and "THIS ELECTRON TUBE IS PHYSICALLY AND ELECTRICALLY SIMILAR TO THE CV-492 VALVE AND IN MOST APPLICATIONS SHOULD OPERATE SATISFACTORILY" on another side. Both boxes have an additional card stock insert that envelopes the tube.


Tung Sol Lamp Works

Place Manufactured


Identifying Numbers

Other number 21345-P-54-59 (31) Printed on side of box
Other number 280 Printed in red on side of tube
Other number 4-47 Printed in red on side of tube
Other number CV-492 Printed on side of box
Part number 12AX7 Printed in red on side of tube


box: 2 1/2 in x 1 in x 1 in; tube: 2 in x 3/4 in x 3/4 in


Component/vacuum tube

Lot Number