Changsha Shuguang Audio Ltd.

Changsha Shuguang Audio Ltd.

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Shuguang KT94 new Hi-Fi tube

Shuguang KT94 new Hi-Fi tube Shuguang KT94 new Hi-Fi tube Shuguang KT94 new Hi-Fi tube
Product name:Shuguang KT94 new Hi-Fi tube
Item:SG-KT94
Price:$25
Details:
 
about this tube 
     The auction is one tube .They are brand new tubes with excellent quality.

KT88 KT94 KT100 Series

Beam power tube KT88's anticathode limit dissipation power is 42W. In audio frequency amplifier, if two tubes are used to drive AB1, the output power can reach 100W. At the same time, KT88 can also be used in electron firm press electrical route.
KT88 is the same with CV5220、6550, and can be exchanged each other.

 

 



KT88-978


 
 


heater heating
UH………… 6.3 V
IH………… 1.6 A

limit rating
------------- --KT94 KT100 KT94 KT100
plate voltage……………… 800 800 800 800 V
second grid voltage………… 600 600 600 600 V

first grid voltage…………-200 -200 -200 -200 V
plate dissipation power………… 42 45 35 40 W
second grid dissipation power…… 8 8 6 6 W
anticathode plus second grid dissipation power………………………………………………… 46 49 40 45 W
cathode current……………… 230 230 230 230 mA
heater voltage between cathodes……… 200 200 250 250 V
temperature of glass crust…………… 250 250 250 250 C

first grid resistance
when it is self-partial voltage
--- --- Pa + Pg2≤ 35W 0.47 MΩ
--- --- Pa +Pg2 > 35W 0.27 MΩ
when it is fixup partial voltage
--- --- Pa +Pg2≤35W 0.22 MΩ
--- --- Pa +Pg2> 35W 0.10 MΩ

capacitance between poles
--- - - --quadrode connect way Tridoes connect way
input capacitance……… 16--- - 9.3 PF
output capacitance……… 12 --- - 17 PF
transroute capacitance……… 1.2 ----7.9 PF


 

 

  static state parameter

quadrode connect way

Ua…………………250V
Ug2……………… 250V
a………………… 140mA
Ig2(approx)…… 3mA
-Ug1(approx)……15V
Gm………………… 12mA/V
ri …………………12KΩ
μg1-g2…………… 8

Tridoes connect way
Ua.g2……………250V
Ia+g2……………143mA
-Ug1(approx)… 15V
Gm…………………12mA/V
ri…………………670Ω
μ………………… 8
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