Antique radios, Old Time Radios

KC4

ID = 3487

Country:

Europe

Brand:	Common type Europe tube/semicond.
Developer:	Philips; Eindhoven (tubes international!); Miniwatt
Tube type:	Triode, vacuum Universal

Identical to

KC4 = TKC4

Similar Tubes

Other base and data slightly different:

HL2_Tungsram

First year

1939 Tube leaflet collection E.Erb Analysis by original leaflets (P9)

First Source (s)

Apr.1938 : Daten und Schaltungen moderner ... Röhren; Philips # 2

Predecessor Tubes

KC1_4pin

Base	Europe side contact base P (P8A) (Codex=So)
Filament	Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Literature	Taschenbuch zum Röhren-Codex 1948/49


	KC4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †

KC4: Photo of tube from my collection - TS
Tomasz Szczesniak

KC4: Telefunken Werkstattbuch
Wolfgang Bauer

KC4: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models

2= 1938? ; 1= 1938 ; 2= 1940 ; 1= 1942? ; 1= 1942

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of Tomasz Szczesniak (PL)

Collection of Manfred Fries (CH)

Collection of Alexander Hofer (A)

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