Federated 47 Schematic purchase

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Schematics sent by Email £1.80 (~ $2.20 or €2.10)

Thursday 25/4/2024 9:47
I am away until Thursday evening 21/12/2023 I cannot send any schematics marked TO SCAN until home, pre-scanned ones will be sent probably in the evening UK time
Federated 47 (Rider : Acra 7 P: 3)
£1.80 (~ $2.20 or €2.10)
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The schematic will be taken from Rider-Vol 01-1933

Rider-Vol 01-1933 preview

Federated 47 Specification spec data sheet

These notes are automatically scraped from Google, Bing, Yahoo, Yandex
by an Artificially (not so) Intelligent algorithm
CountryUSA
ManufacturerFederated Purchaser, Inc. (Acratone, Acratest); New York City (NY)
ModelAcratest - Acratone 47Federated Purchaser, Inc.
Year: 1934Category: Audio Amplifier
Valves4: 6A6 6A6 6B5 6B5
TechnologyAudio-Amplification
Power typeStorage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
Dimensions10 x 5.5 x 8 inch / 254 x 140 x 203 mm
Net weight20 lb (20 lb 0 oz) / 9.080 kg
Initial Price49.50 USD
Notes Mobile PA amplifier (for mike and phono input) Made for mounting in an automobile or sound truck.
It had a remote steering column control. Overall voltage gain of 80db; frequency response of 40 to 10,000 cps;
input impedances of 200 and 500 ohms; and output impedances of 2, 3, 4, 6, 7, 8, 10, 12, 13, 15, and 500 ohms.
SourceBook: Rider Vol: 7 Page: 3