Antique radios, Old Time Radios

47

ID = 2676

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. Philips Australia Airline, Super-Airline, Wards (tubes) - see also Montgomery Ward; Chicago, IL Brunswick-Balke-Collender Co. Concert Master Mfg. Co. (brand) - see also Continental Corp.; Chicago, IL and Newark NJ Duro / El Duro (tubes) Lafayette Radio & TV Corp; New York (NY) National Union Radio Corp.; Orange (NJ) North American Philips Co. Inc. (Norelco); Dobbs Ferry and New York, NY Perryman Electric Co., Inc.; North Bergen, NJ Songbird (brand) Sylvania (Hygrade, GTE, Nilco); Emporium (PA)

Tube type:

Vacuum Pentode Power/Output

Identical to

47 = P2 = 247 = PZ = UY-47_Japan = UY-247_Japan = A247 = VT-47 = PH247 = CV1772 = VT47_USA = F247 = Z-47 = 38047 = G-47 = 247S = EY647 = NY-247 = 447 = UY247B = UY247 = UY-247 = ER247 = KR47 = Y-247 = CL-47 = PA247 = RYB247 = NU-47

Similar Tubes

Other shape (e.g. bulb type):

248 ; M47

Normally replaceable-slightly different:

47B ; 47E ; 47M ; FX247 ; RES347

Other class quality (otherwise equal):

1610_RCA

Different connections:

UX47A

Other base and data slightly different:

47MG

First year

1931 Radios von gestern, 2. Auflage

First Source (s)

Jun.1931 : -- Collector info (Sammler)

Jun.1931 : 70 Years of Radiotubes and V.

Predecessor Tubes

Successor Tubes

1932 2A5 42 47MG

Base	UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Filament	Vf 2.5 Volts / If 1.75 Ampere / Direct / Parallel, (AC/DC)
Tube prices	3 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	47: Courtesy Bureau Belper (De Muiderkring, Bussum) Michael Schlör

47: GP
George Papaiz

47: Telefunken Werkstattbuch
Wolfgang Bauer

47: Sylvania Technical Manual
Peter Hoddow

Usage in Models

23= 1931?? ; 116= 1931? ; 573= 1931 ; 66= 1932?? ; 285= 1932? ; 705= 1932 ; 46= 1933?? ; 56= 1933? ; 247= 1933 ; 24= 1934?? ; 21= 1934? ; 88= 1934 ; 17= 1935?? ; 24= 1935? ; 61= 1935 ; 14= 1936?? ; 10= 1936? ; 11= 1936 ; 1= 1937? ; 1= 1939?? ; 4= 1939? ; 2= 1940?? ; 2= 1942?? ; 1= 1948?? ; 1= 9999?? ; 1= 9999? ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2402

Collection of Jacob Roschy (D)

Collection of a member from D

Collection of Christian Schaufelberger (CH)

Collection of Patrice Zeissloff (F)

Collection of Wolfgang Bauer (A)

Collection of Peter Steffen (CH)

Collection of Martin Bösch (CH)

Collection of Valery Gromov (RUS)

Collection of Ernst Röggla (I)

Collection of Perica Adnadevic (YU)

Collection of Aldo Patriarca (CH)

Collection of Raynal Aufils (F)

Collection of Georges Werts (B)

Collection of a member from FIN

Collection of Francisc VISKY (RO)

Collection of Bernardo Diaz (E)

Collection of Hermann Fleischanderl (A)

Collection of Jacky Parmentier (F)

Collection of Massimo Pedrina (I)

Collection of Tomasz Szczesniak (PL)

Collection of Marcelino Iniesta Fernandez (E)

Collection of Bekir Yurdakul (F)

Collection of George Papaiz (CDN)

Collection of Jean-Jacques Pontigny (F)

Collection of a member from USA

Collection of Geri Meier (CH)

Collection of Giovanni Signorelli (I)

Collection of Jorge Tavares (F)

Collection of Vicente Moncholi-Cebrian (E)

Collection of Aires Gomes (P)

Collection of a member from D

Collection of Pedro Prieto-Castro (E)

Collection of Etienne Flemal (B)

Collection of Jose Luis Villabona Horreo (E)

Collection of David Erali (USA)

Collection of Tor Steinnes (N)

Collection of Benedetto Pirani (I)

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]