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File:Vintage RCA 826 Transmitting Triode Vacuum Tube, Produced for the U.S. Army, NOS, Circa 1943 (10536664334).jpg - Wikimedia Commons
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Fosi Audio BOX X2 Preamplificatore phono, per giradischi Preamplificatore fonografico MM, Hi-Fi audio stereo Mini Gain Gear, con alimentazione 12V : Amazon.it: Elettronica
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File:Vintage Emerson Tube Table Radio, Model 826-D, 1950s Art Deco Design (13085779664) (2).jpg - Wikimedia Commons
![826 Ken-Rad Transmitting Triode Tube. Designed to be used as a amplifier tube at frequencies up to 250Mc. New old stock. No longer available for export. MFR: Ken-Rad. SKU: 826 826 Ken-Rad Transmitting Triode Tube. Designed to be used as a amplifier tube at frequencies up to 250Mc. New old stock. No longer available for export. MFR: Ken-Rad. SKU: 826](https://media.rfparts.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/8/2/826_ken-rad_1.jpg)
826 Ken-Rad Transmitting Triode Tube. Designed to be used as a amplifier tube at frequencies up to 250Mc. New old stock. No longer available for export. MFR: Ken-Rad. SKU: 826
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