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

7987A

Information - Help 
ID = 32525
       
Country:
Italy
Brand: Marconi Italiana (Marconifono), Officine / Ufficio Marconi; Genova, Roma
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 7987A

Filament Vf 12 Volts / If 26 Ampere / Direct
Description 7987A is similar to the forced air cooling 7987, from which it differs for a larger heatsink. The anode power dissipation is increased to 5KW. 60 MHz max operating frequency as class C oscillator. 
Information source - - Manufacturers Literature   
- - -   
- - -
- - -

7987a_1.png
7987A: Manufacturer's Literature
Emilio Ciardiello

More ...
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information