Buy your "acratest" "40" Schematic

Supporting the Right to Repair!
Schematics sent by Email £1.80 (~ $2.50 or €2.10)


Sunday 17/10/2021 13:25
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 (~ $2.50 or €2.10)

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

"acratest" "40" Specification spec data sheet


The following notes are automatically scraped from Google,DuckDuckGo,
Yahoo and Yandex by an Artificial (not so) Intelligent algorithm
CountryUSA
ManufacturerFederated Purchaser, Inc. (Acratone, Acratest); New York City (NY)
ModelModel Auto Radio 40Federated Purchaser, Inc.
Year: 1933Category: Car Radio
Valves6: 6D6 6A7 6D6 75 41 84
TechnologySuperhet IF 175 kHz
Wave BandsBroadcast only (MW).
Power typeStorage Battery for all (e.g. for car radios and amateur radios)
Dimensions7.5 x 10.25 x 7.5 inch / 191 x 260 x 191 mm
Net weight25 lb (25 lb 0 oz) / 11.350 kg
Initial Price29.95 USD
NotesThe radio model 40 from Federated Purchaser Inc. uses the tube 75 which was released to the market in 1933.
The model 40 is an automobile radio and Federated advertised it as a boat radio as well.
SourceBook: rider Vol: 3 Page: 2
SourceBook: rider Vol: 6 Page: 4


TypeConfigurationYearBaseEquivalents
6D6Pentode1936UX658 C1408 CV1900 VT69
6A7Heptode1933UX7CV1870
6D6Pentode1936UX658 C1408 CV1900 VT69
75Double Diode Triode1933UX6275 675 6ZDH3 A675 CV614 VT75
41CRT1937 CV608
84FW Rectifier1937UX56Z4 CV619 CV2548 VT84