Buy your "douglas" "31c3" Schematic


3/8/2021 19:06
This is a manually operated service
the response will not be instant!
Not the correct model? go back to the search page to change

Ensure Javascript is enabled!!

£1.80 (approx. $2.50 or €2.10)

Check your PayPal Email is correct!
Email me to advise different Email to send to

"douglas" "31c3" 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 Name Douglas Argentina
ModelModel 31C-3 - Laboratorios Douglas S.A.C.I.
Year: 1948Category: Kit (Parts plus instruction) or building instructions only
Valves5: UCH41 UAF41 UAF41 UL41 UY41
TechnologySuperhet IF 465 kHz; 2 AF stage(s)
Wave BandsBroadcast only (MW).
Power typeAC/DC-set / 220 Volt
SourceBook: sdc Vol: 1954 Page: 121


TypeConfigurationYearBaseEquivalents
UAF41Diode Pentode194812S7 UAF42 WD142
UAF41Diode Pentode194812S7 UAF42 WD142
UL41Pentode1947B8AUF41 451PT 45A5 CV1977 MUL41 N142
UY41HW Rectifier1948B8A311SUA 311SU 31A3 U142