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KT88

Information - Help 
ID = 19153
       
Country:
Worldwide
Brand:
Tube type:  Beam Power Tube   beam power   Power/Output 
Identical to KT88 = CV5220
Similar Tubes
Normally replaceable-slightly different:
  KT88-TII
Other class quality (otherwise equal):
  KT90
Predecessor Tubes KT77  

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 1.6 Ampere / Indirect / Parallel, (AC/DC)
Description

Largely superceded the KT77 with a 40% increase in anode dissipation and a lower anode resistance with only a 15% increase in heater power.

Pa <35W, Va <800, gm =12mA/V

 
Dimensions (WHD)
incl. pins / tip
52 x 125 x mm / 2.05 x 4.92 x inch
Weight 75 g / 2.65 oz
Tube prices 9 Tube prices (visible for members only)
Literature - - Manufacturers Literature   
 
kt88_china.jpg
KT88: My own collection
Hannu Alho

 
kt88.png
KT88: Datenblatt The General Electric Co.Ltd. Of England
Martin Renz

 
6550kt88_2.png
KT88: istok-2
Hans Jürgen Heider


Usage in Models 1= 1950?? ; 1= 1955?? ; 1= 1957? ; 1= 1957 ; 3= 1959? ; 1= 1959 ; 3= 1960?? ; 1= 1961?? ; 2= 1961? ; 1= 1961 ; 1= 1962 ; 1= 1964? ; 2= 1964 ; 1= 1965?? ; 1= 1967?? ; 1= 1967 ; 1= 1975?? ; 1= 1978? ; 1= 1995?? ; 2= 1999?? ; 2= 1999 ; 1= 2002?? ; 1= 2007? ; 1= 2009?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):32


Forum contributions about this tube
KT88
Threads: 1 | Posts: 1
Hits: 2573     Replies: 0
KT88 (KT88) équivalent du 6550
Michel Deluz
27.Mar.12
  1

 Selon les caractéristiques de Genalex 1974, les deux tubes 6550 et KT88 sont équivalents. 

MD

 
KT88
End of forum contributions about this tube

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