Antique radios, Old Time Radios

30

ID = 3105

Country:

United States of America (USA)

Brand:

Common type USA tube/semicond.

Common type USA tube/semicond. Genalex, BGE (brand), British General Electric Co. Pty Ltd.; Sydney, NSW. Osram (tubes/valves) - see British General Electrics; Sydney Philips Australia Airline, Super-Airline, Wards (tubes) - see also Montgomery Ward; Chicago, IL Philco, Philadelphia Stg. Batt. Co.; USA Raytheon Mfg. Co.; Cambridge, MA Sylvania (Hygrade, GTE, Nilco); Emporium (PA) Triad Television & Mfg. Co.; Pawtucket, RI Van Dyke Laboratories; Newark, NJ Wizard (tube brand); (where ?)

Tube type:

Triode, vacuum Universal

Identical to

30 = VT-27 = 230 = CX330 = RCA30 = RCA230 = ER30 = 30S = PH230 = 430 = ER230 = UX230 = X230 = 130_Arcturus = T-31_triad = T-30 = NX-230 = C-230 = CX30 = NU-30

Similar Tubes

Normally replaceable-slightly different:

130_Triode ; FP59

Other class quality (otherwise equal):

1230 ; 38030

Different connections:

t-30-s

First year

1930 Radios von gestern, 2. Auflage

First Source (s)

Sep.1930 : Saga of the Vacuum Tube, Tyne p.329,330

Successor Tubes

1230

Base	UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by	Radio/TV-reception etc.
Filament	Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Description	Typ:- Va=90; Ia=2.5mA; Vg=-4.5; gm=0.85mA/V. Operation at Va<135V permissible
Dimensions (WHD) incl. pins / tip	41 x 91 x mm / 1.61 x 3.58 x inch
Tube prices	4 Tube prices (visible for members only)
Information source	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49 - - Manufacturers Literature


	30: Courtesy Bureau Belper (De Muiderkring, Bussum) Anonymous 10 Collector

30: Ebay Auction
Franz Scharner
More ...

30: Telefunken Werkstattbuch
Wolfgang Bauer

30: Sylvania Technical Manual
Peter Hoddow
More ...

from Just Qvigstad

Usage in Models

5= 1930?? ; 2= 1930? ; 21= 1930 ; 4= 1931?? ; 10= 1931? ; 31= 1931 ; 2= 1932?? ; 23= 1932? ; 36= 1932 ; 9= 1933?? ; 8= 1933? ; 63= 1933 ; 14= 1934?? ; 11= 1934? ; 129= 1934 ; 30= 1935?? ; 25= 1935? ; 167= 1935 ; 47= 1936?? ; 15= 1936? ; 160= 1936 ; 28= 1937?? ; 16= 1937? ; 93= 1937 ; 26= 1938?? ; 4= 1938? ; 52= 1938 ; 22= 1939?? ; 7= 1939? ; 29= 1939 ; 13= 1940?? ; 5= 1940? ; 9= 1940 ; 8= 1941?? ; 5= 1941? ; 4= 1941 ; 2= 1942?? ; 1= 1942? ; 1= 1942 ; 1= 1943 ; 1= 1946? ; 3= 1946 ; 2= 1950 ; 1= 9999? ; 5= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1150

Collection of a member from D

Collection of Ottmar Rollmann (D)

Collection of Georges Werts (B)

Collection of a member from FIN

Collection of Tomasz Szczesniak (PL)

Collection of George Papaiz (CDN)

Collection of Lindsay Shepherd (AUS)

Collection of Bruce Morgenstern (CDN)

Collection of Michael Gnaedig-Fischer (MEX)

Collection of Jose Luis Villabona Horreo (E)

Collection of David Erali (USA)

Collection of Tor Steinnes (N)

Collection of Robert Gillespie (USA)

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]

Cookie Settings