RARE 15-Watt Audio Triodes. 2 NOS RCA deForest 841 Vacuum Tubes. Hickok TV-7D/U tests read 48 and 48. The 841 is an audio / transmitting triode – a 10 uprated to 15 watts. The 841 is useable as a 10, 10Y, VT-25, VT-25A, 801 or even as a 50, if needed.
Item Tag: DeForest
RCA DEFOREST Tube 203A 503A RADIO TRANSMITTING RF graphite Plate G2U
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SAGA of the VACUUM TUBE by Gerald F. J. Tyne Deforest Audion Marconi 1977 HC 1ST
INCREDIBLY RARE HARDCOVER 1ST EDITION 1ST PRINTING (literally the VACUUM TUBE BIBLE).
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1920’s Emerald Green Radio loop antenna wire, DeForest and more. 20AWG 90ft
90 feet of Emerald Green colored, cloth covered, loop antenna wire. The wire is 20 AWG (19/32) served with polyester yarn to closely approximate the original. The served wire has an OD of 1/16″ or, 0.060″ or, 1.5mm. The DeForest loop takes similar length. The Radiola 25 and 28 loops take approximately 75-90 feet to rewind. To our knowledge, no loop was manufactured with Litz wire. I last made this wire over 10 years ago and halted production after moving. I offer the wire in gold, “tarnished copper”, emerald green, and brown. Additionally, Other colors available upon request. Proudly made in Lititz, PA. Thanks for looking
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1920’s Emerald Green Radio loop antenna wire, DeForest and more. 20AWG 100ft
The wire is 20 AWG (19/32) served with polyester yarn to closely approximate the original. The served wire has an OD of1/16″ or, 0.060″ or, 1.5mm. The DeForest loop takes similar length. To our knowledge, no loop was manufactured with Litz wire.