Antique radios, Old Time Radios
ECH4
Country:
Netherlands
|
|
Identical to |
ECH4
|
Similar
Tubes |
Other shape (e.g. bulb type):
ECH4N
Heater different:
ACH1n
Other base:
ECH21
; ECH34
; ECH4A
; ECH4G
Multiple differences or of other kind:
E1R
; ECH2_Tungsram
|
First year |
Jan.1940
Tube leaflet collection E.Erb Philips-Archive
|
First Source
(s) |
Jan.1940 : -- Original-techn. papers.
|
Predecessor Tubes |
ECH3
ECH2
|
Successor Tubes
|
1941
ECH21
ECH41
|
Base |
Europe side contact P8A (Au P, 8SC) (Codex=Sak)
|
Filament |
Vf 6.3 Volts / If 0.35 Ampere / Indirect / Parallel, (AC/DC defined voltage) |
Tube prices |
15 Tube prices (visible for members
only)
|
Information source |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
ECH4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
|
|
|
 |
|
ECH4: Collection JR
Jacob Roschy
|
|
|
ECH4: RTT 1974 (Franzis) 13. Auflage
Martin Renz
|
|
|
ECH4: g.h.
Gerhard Heigl
|
from Just Qvigstad
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1407
Collection of a member from D
Collection of a member from FIN
Collection of a member from SK
Collection of a member from D
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