radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

HCH81

Information - Help 
ID = 4048
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Triode-Heptode   Frequency converter   Controlling (mu) 
Identical to HCH81 = 12AJ7 = 12E4 = 12D8 = 12AJ8
Similar Tubes
Heater different:
  ECH81 ; UCH81
First year 1952 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Aug.1952 : Funkschau # 16

Base Noval, B9A
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 1 Tube prices (visible for members only)
  hch81.png
  HCH81: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
hch81.jpg
HCH81: mi coleccion
Jose Luis Campayo-Soriano

 
hch81_so.png
HCH81: rtt
Michael Schlör

 
12aj8_hch81.png
HCH81: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 1= 1950 ; 4= 1952?? ; 2= 1953?? ; 2= 1953? ; 1= 1954?? ; 5= 1954? ; 9= 1955?? ; 4= 1955? ; 2= 1955 ; 1= 1956?? ; 1= 1956? ; 11= 1956 ; 6= 1957?? ; 6= 1957 ; 7= 1958?? ; 20= 1958 ; 1= 1959? ; 12= 1959 ; 7= 1960?? ; 1= 1960? ; 11= 1960 ; 1= 1961? ; 6= 1961 ; 2= 1962?? ; 1= 1962? ; 1= 1963? ; 2= 1963 ; 4= 1965?? ; 1= 1966

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):132


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]
  
rmXorg