Calvert Motor Associates A-50-A Schematic

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Product Information:
Model:A-50-A
Manufacturer:Calvert Motor Associates

Schematic Pages

Schematics Content:

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CALVERT MOTOR ASSOCIATES

MODEL A - 50 - A
Schematic, Voltage

SCHEMATIC WIRING DIAGRAM OF THE Calbert 5 - TUBE RADIO

D. C. Voltages

A.C. Voltages

1st R.F., 2nd R, F., Detector and Pentode Filaments 2.3 to 2.5 volts
Rectifier Filament 4.8 to 5.1 volts
Ground to plates of 280 approximately 375 volts

NOTE: Filament Voltages may be measured with a Weston Triple Range (0-4, 0-8, 0-150) Type 528 AC Voltmeter. The high voltage on the Rectifier Plates should be measured with a double range (300, 0-600) Type Weston AC Voltmeter,

Operation of Set
Also Use of Local and Distance Switch
After set is turned on it will be some time before the set will operate due to the tubes heating up. Turn Volume Control full on then rotate dial until station is heard, turn Volume Control until desired volume is reached. If in the vicinity where a strong local is being received turn local and distance switch (found on left side of cabinet) to local position.

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