DF 91, Tube DF91; Röhre DF 91 (DF91)

Antique radios, Old Time Radios

DF91

Country:	Europe	Brand:	Common type Europe
		Developer:	Philips; - Eindhoven; Netherlands
		Tube type:	PENTODE RF/IF-Stage Controlling (mu)

Tube ID = 434


	previous \| next

Identical to	DF91 = 1T4 = W17 = 1K2 = 1F3
First Series	Dec.1948 Tube leaflet collection E.Erb Analysis by original leaflets [RM4805]
First Source (s)	Mar.1948 : Funkschau (FS) # 3

Base	Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zoo)
Was used by	Radio/TV-reception etc.
Filament	-: Direct / -: Battery = / If: 0.05 Ampere / Vf 1.4 Volts /
Description	HF-Regelpentode, ab 1950 in Deutschland. Text in other languages (may differ)
Dimensions (WHD)	19 x 54 x mm / 0.75 x 2.13 x inch
Weight	10 g / 0.35 oz
Tube prices	0 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


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

Röhrensammlung
Wolfgang Bauer

Telefunken Werkstattbuch
Wolfgang Bauer

Ratheiser RTH,3.Aufl.,1964
Egon Penker

Usage in Models

1= 1946? ; 1= 1947?? ; 1= 1947 ; 2= 1948?? ; 9= 1948 ; 1= 1949?? ; 1= 1949? ; 28= 1949 ; 4= 1950?? ; 9= 1950? ; 36= 1950 ; 1= 1951?? ; 3= 1951? ; 48= 1951 ; 10= 1952?? ; 4= 1952? ; 54= 1952 ; 1= 1953?? ; 8= 1953? ; 69= 1953 ; 1= 1954?? ; 3= 1954? ; 22= 1954 ; 3= 1955?? ; 1= 1955? ; 14= 1955 ; 2= 1956?? ; 10= 1956 ; 1= 1957?? ; 4= 1957 ; 2= 1958?? ; 1= 1958? ; 5= 1958 ; 1= 1959? ; 5= 9999 ;

Number of Models with this tube 366

No further Information for

DF91

This tube or valve page you reach from a search after clicking tab tubes 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 for a certain tube line up. [rmxtube-en]

rmXorg-08

About Radiomuseum.org

14OctX