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"douglas" "23m" Specification spec data sheet


The following notes are automatically scraped from Google,DuckDuckGo,
Yahoo and Yandex by an Artificial (not so) Intelligent algorithm
CountryArgentina
ManufacturerLaboratorios Douglas S.A.C.I. - Buenos Aires
Alternative NameDouglas Argentina
Model 23M-2 - Laboratorios Douglas S.A.C.I.
YearKit (Parts plus instruction) or building instructions only
Valves5 UCH42 UF41 UAF41 UL41 UY41
TechnologySuperhet IF 465 kHz; 2 AF stages
Tuned Circuits4 AM circuits
Wave BandsBroadcast and Short Wave (SW).
Power TypeAC/DC 220 Volt
NotesOnda corta y larga, del tipo ambas corrientes, con válvulas técnica "A", tandem 2x410pF.
SourceMyFile: Douglas-23M ;Series TA.Radio.jpg


TypeConfigurationYearBaseEquivalents
UCH42Triode Heptode1948B8A141TH 14K7 X142
UF41Pentode1947B8A121VP 12AC5 W142
UAF41Diode Pentode194812S7 UAF42 WD142
UL41Pentode1947B8AUF41 451PT 45A5 CV1977 MUL41 N142
UY41HW Rectifier1948B8A311SUA 311SU 31A3 U142