radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

Amplifier 514-A

Amplifier 514-A; General Radio (ID = 1876161) Equipment
 
Amplifier 514-A; General Radio (ID = 1876162) Equipment
 
Amplifier 514-A; General Radio (ID = 1876163) Equipment
Amplifier 514-A; General Radio (ID = 1876160) Equipment Amplifier 514-A; General Radio (ID = 1876164) Equipment
Use red slider bar for more.
Amplifier 514-A; General Radio (ID = 1876160) Equipment
General Radio: Amplifier 514-A [Equipment] ID = 1876160 1400x728
Select picture or schematic to display from thumbnails on the right and click for download.
For model Amplifier 514-A, General Radio Company; Cambridge (MA):
General Radio Co. Catalog F Part 3 (1931)
 
Country:  United States of America (USA)
Manufacturer / Brand:  General Radio Company; Cambridge (MA)
alternative name
 
GenRad
Year: 1931 Category: Service- or Lab Equipment
Valves / Tubes 3: 230 230 230 or 231
Main principle Audio-Amplification
Wave bands - without
Details
Power type and voltage Storage and/or dry batteries / 2 X 1.5 & 3 X 45 & 4.5 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: Amplifier 514-A - General Radio Company;
Material Metal case
Dimensions (WHD) 381 x 209.55 x 311.15 mm / 15 x 8.3 x 12.2 inch
Notes

The General Radio 514-A is a battery operated audio amplifier.  Frequency range: 50cps to 50kc.  Uses Qty(2) 1.5V batteries for the filaments, Qty(3) 45V batteries for the plate circuits(B+) and either Qty(1) 4.5V battery or Qty(1) 22.5V battery with a 4.5V tap for the grid bias.

Mentioned in -- Original prospect or advert (General Radio Co. Catalog F Part 3 (1931))

Model page created by Peter Hoddow. See "Data change" for further contributors.



All listed radios etc. from General Radio Company; Cambridge (MA)
Here you find 216 models, 197 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
rmXorg