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THE DeForest DV-DL TUBES - bill01a.com
http://www.bill01a.com/articles/df-dv-dl.htm
The DL-14 was a medium power audio output tube with low output impedance (Fig. 17). This tube had the same recommended plate and grid voltages as the'71A, but had a somewhat higher plate impedance. The DL-14 had a max output of about 630 mw …
The De Forest DV and DL Valves - r-type.org
http://www.r-type.org/articles/art-277.htm
The DL-14 was an output tube similar to the UX171. This tube had the same recommended plate and grid voltages as the '71A, but had a somewhat higher plate impedance. The DL-14 had a max output of about 630 mW while the 71A would produce about 700 mW. A larger bulb was used on the DL-14, the same size and style as used on the earlier Moorhead VT.
DeForest - bill01a.com
http://bill01a.com/tubephotos/deforest.htm
The DeForest DV/DL series tubes are shown in a separate section. DeForest Audion-SPSG. DeForest Audion-DPDG. DeForest CF-187 Audion. DeForest Type T. DeForest VT-21. DeForest 'Singer' DeForest H. DeForest HR. DeForest CF2160. DeForest DR. DeForest PO. DeForest D-01A. DeForest D-401A. DeForest D-402.
RadiolaGuy.com : deForest spherical audion : deForest ...
http://www.radiolaguy.com/Tubes/Deforest_Audion_Tubes.htm
DL-5 UX Ceramic Base (Isolantite, long pins) excellent condition. Same as DV-5 but with long pins. 1 available Similar and tested like and a 01A (UV-201A) test very good, no leakage or shorts < click image for more detail. $70.00 ea. DV3 (Bakelite "UV" Base) GOOD TUBE 2 - available, test good and in good cosmetic condition.
Audion detector from de Forest, September 14, 1906 ...
https://calisphere.org/item/aee83c452bac598cc7610a9faabe8faa/
Two tubes on display in ceramic bases with label: "Audion detector from de Forest Wireless Telegraph Company, Con. 61, Key West, Florida, 9-14-06 1882"
Antique Radio Forums • View topic - SOLD More items from ...
https://antiqueradios.com/forums/viewtopic.php?t=363777
DeForest Audion Tubes. Shows DL4, DL14. New Electric 1929 Browning Drake Receivers shows 34, 30, 5R, 32. Airchrome Speaker Dictogrand Upright Horn Speaker and phono unit The Crosley Bandbox and improved Musicones. Sterling Concertone Radios – shows Little Symphony SOLD Group 5 Pooley Radio Cabinets for Atwater Kent Radio.
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