Antique radios, Old Time Radios
EC81
Country:
Germany
|
|
Identical to |
EC81
= 6R4
|
Similar
Tubes |
Different connections:
EC83
Other base:
EC41
|
First Source
(s) |
Mar.1949 : -- Original-techn. papers.
|
Base |
Noval, 9 pin miniature (USA pico-9) B9A
|
Was used by |
Technology / Measurement |
Filament |
Vf 6.3 Volts / If 0.175 Ampere / Indirect / Parallel, (AC/DC defined voltage) |
Description |
HF 750MHz (Osc), auch von Tesla Prag hergestellt.
|
Tube prices |
5 Tube prices (visible for members
only)
|
Information source |
|
|
|
|
EC81: corrected version
Roland Langfeld
|
|
|
 |
|
EC81: O.R.
Ottmar Rollmann
|
|
|
EC81: RTT 1964 (Franzis) 10. Auflage
Martin Renz
|
|
|
EC81: Manufacturer's Literature
Emilio Ciardiello
|
from Just Qvigstad
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):54
Collection of a member from FIN
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]