We have collected the most relevant information on Deforest Audion Dv3. Open the URLs, which are collected below, and you will find all the info you are interested in.
RadiolaGuy.com : deForest spherical audion : deForest ...
http://www.radiolaguy.com/Tubes/Deforest_Audion_Tubes.htm
DV3-A, small UV base (like a UV-199), Isolantite Ceramic Base. a cute little seldom seen tube, functionally similar to the UV-199 2 available Cosmetically perfect but non-functional, for display only) $55.00 each
Electronic Valve - De Forest Audion, Triode, Type DV3 ...
https://collections.museumsvictoria.com.au/items/415208
De Forest Audion DV3 vacuum tube (apparently unused, original canister and instruction sheet. The valve used for detection and amplification in dry battery powered radio receivers, made by De Forest In America, circa 1925. The valve …
Electronic Valve - De Forest Audion, Triode, Type DV3 ...
https://collections.museumsvictoria.com.au/items/415432
De Forest Audion DV3 electronic valve used for detection and amplification in dry battery powered radio receivers, made by De Forest In America, circa 1925. The valve has a directly heated cathode with a filament voltage of 3V Physical …
DeForest NOS in its can DV-3 Audion Isolantite base tube ...
https://www.ebay.com/itm/125092343020
DeForest NOS in its can DV-2 Audion Isolantite base tube. $139.00 + $9.99 shipping + $9.99 shipping + $9.99 shipping ~Lot of 4 Date-Matched 1958 Mullard ECC83 12AX7 17mm Long Plate Tubes, Test@NOS~ $135.50 + $5.85 shipping + $5.85 shipping + $5.85 shipping.
RadiolaGuy.com : deForest spherical audion : deForest ...
https://www.radiolaguy.com/Tubes/Rare,%20collector%20tubes.htm
2 - available in good cosmetic condition for display (have good filament but test very weak) $40.00 each. size Compare. DV3-A, small UV base (like a UV-199), Isolantite Ceramic Base. a cute little seldom seen tube, functionally similar to the UV-199. 2 available Cosmetically perfect but non-functional, for display only) $55.00 each.
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