Radio today (Sept 1935-Dec 1936)

SIMILARITIES OF RADIO TUBES Metal "G" Original Type Function of Tube Octal Octal base base Glass TWO VOLT BATTERY TYPES 1A4 Remote cut-off R-F amplifier 1D5G 1A4, 34 1A6 Pentagrid converter 1D7G 1A6 1B4 Sharp cut-off R-F amplifier 1E5G 1B4, 32 1B5/25S Duodiode medium mu triode 1H6G 1B5/25S 1C6 Pentagrid converter 1C7G 1C6 1C7G Pentagrid converter 1C7G 1C6 1D5G Remote cut-off R-F amplifier 1D5G 1A4, 34 1D7G Pentagrid converter 1D7G 1A6 1E5G Sharp cut-off R-F amplifier 1E5G 1B4, 32 1E7G Double output pentode 1E7G 1F4 Power output pentode 1F5G 1F4 1F5G Power output pentode 1F5G 1F4 1F6 Duodiode pentode 1F7G 1F6 1F7G Duodiode Pentode 1F7G 1F6 1H4G Medium mu triode 1H4G 30 1H6G Duodiode medium mu triode 1H6G 1B5/25S 1J6G Double class B amplifier 1J6G 19 15 R-F pentode (Heater) 15 19 Double class B amplifier iJ6G 19 30 Medium mu triode 1H4G 30 31 Power output triode 31 32 Sharp cut-off R-F amplifier 1E5G 32, 1B4 33 Power output pentode 33 34 Remote cut-off R-F amplifier 1D5G 34, 1A4 49 Power output pentode 49. FIVE VOLT RECTIF [ERS 5V4G Rectifier 5V4G 83V 5W4 Rectifier 5W I 80 5X4G Rectifier 5X4G 5Z3 5Y3G Rectifier 5Y3G 80 5Y4G Rectifier 5Y4G 80 5Z3 Rectifier 5X4G 5Z3 5Z4 Rectifier 5Z4 80 80 Rectifier 5Y3G.5Y4G 80 83V Rectifier 5V4G 83V MORE THAN Illllil RADIOS, NOW IN USE, HAVE UTAH PARTS AS ORIGINAL EQUIPMENT Mil SIX VOLT TYPES 6A3 Power output triode 6B4G 6A3 6A4 /LA Power output pentode .... .... 6A4 /LA 6A6 Double class B amplifier 6N7 6N7G 6A6 6A7 Pentagrid converter 6A8 6A8G 6A7 6A8G } Pentagrid converter 6A8 6A8G 6A7 6B4G Power output triode 6B4G 6A3 6B5 Power output amplifier 6N6G 6B5 6B7 Duodiode pentode 6B7 fc^Q ) Medium mu triode 6C5 6C5G, 6J5G 76 6C6 Sharp cut-off R-F pentode 6J7 6J7G 6C6, 77 6D6 Remote cut-off R-F pentode 6K7 6K7G 6D6, 78 6E5 Cathode-ray tuning indicator .... .... 6E5 6E6 Double triode power amplifier .... .... 6E6 6F5G } High mu triode 6F5 6F5G' 6K5G 6F6G f Power output pentode 6F6 6F6G 42 6F7 Triode pentode 6F7 6G5 Cathode-ray tuning indicator .... .... 6G5 6H6G } Duo*1'006 6H6 6H6G 6J5G Medium mu triode 6C5 6J5G, 6C5G 76 |j^G } Sharp cut-off R-F pentode 6J7 6J7G 77. 6C6 6K5G High mu triode 6F5 6K5G, 6F5G 6K6G Power output pentode 6K6G 41 6K7G } Remote cut-off R-F pentode 6K7 6K7G 78, 6D6 6L6G I Power amplifier 6L6 6L6G 6L7G I Pentagrid mixer 6L7 6L7G 6N6G Power output amplifier . . . 6N6G 6B5 6N7G } Double c,ass B amplifier 6N7 6N7G 6A6 |9ZQ } Duodiode high mu triode 6Q7 6Q7G 75 6R7P f Duodiode medium mu triode 6R7 6R7G 85 6X5G } Rectifier 6X5 6X5G 84 36* Sharp cut-off R-F amplifier 6J7 6J7G 36, 6C6, 77 37* Medium mu triode 6C5 6C5G, 6J5G 37, 76 38* Power output pentode .... .... 38 39/44* Remote cut-off R-F pentode 6K7 6K7G 39/44, 78, 6D6 41 Power output pentode .... 6K6G 41 42 Power output pentode 6F6 6F6G 75 Duodiode high mu triode 6Q7 6Q7G 75 76 Medium mu triode 6C5 6C5G, 6J5G 76 77 Sharp cut-off R-F pentode 6J7 6J7G 77, 6C6 78 Remote cut-off R-F pentode 6K7 6K7G 78, 6D6 79 Double class B amplifier .... .... 79 84 Rectifier 6X5 6X5G 84 85 Duodiode medium mu triode 6R7 6R7G 85 89 Triple grid output .... .... 89 * Indicating type? little used for initial equipment at present but listed to indicate superseding types. FOR THE PAST FIFTEEN YEARS, UTAH HAS BUILT THE BEST SPEAKERS, VIBRATORS, TRANSFORMERS, CHOKES, VOLUME CONTROLS, TONE CONTROLS, RESISTORS, JACKS, JACK SWITCHES, PUSH BUTTON SWITCHES AND PLUGS. USE GENUINE UTAH PARTS! -•■/ WITH ONLY TWENTY MODELS, C UTAH CAN SUPPLY REPLACEMENT SPEAKERS FOR PRACTICALLY ANY J, MAKE OR MODFL OF RECEIVER! » VISIT OUR EXHIBIT AT I. R. S. M. SHOW, BOOTH 35, HOTEL PENNSYLVANIA, SEPTEMBER 18, 19, 20. \\ K v1 „ ■""" PART OF THE HUGE PUNCH PRESS LINE IN THE UTAH FACTORY WHERE THE STURDY, RIGID SPEAKER FRAMES AND BASKETS ARE FABRICATED. m ^ ." SPECIAL AC-DC TYPES 25A6G } Power output pentode 25A6 25A6G 25Z5 Rectifier 25Z6 25Z6G 25Z6G } Rectifier 25Z6 25Z6G 43 Power output pentode 25A6 25A6G 43 25Z5 25Z5 43 15 YEARS OF LEADERSHIP"' August, 1936 55