Electronic Vacuum Tube Shuguang Treasure KT88-Z Vacuum Replace KT88 KT88-T 6550
1. Description:
The KT88-Z, replace KT88 has an absolute maximum anode dissipation rating of 42W and is designed for use in the output stage of an a.f. amplifier. Two Vlves in Class AB1 give a continuous output of up to 100W. The Kt88 is also suitable for use as a series valve in a stabilised power supply.
The KT88 is a commercial Version of the CV5220 and is similar to the 6550 tube.
2. Specifications:
Classification: Beam-power tetrode
Service: Class-A amplifier, (single-ended), class-AB amplifier, (push–pull)
Cathode
Cathode type Indirectly heated
Heater voltage 6.3
Heater current 1.6 A
Anode
Max dissipation Watts 42 W
Max voltage 800
Socket connections
Octal base, (IO)
Pin 1, Not used
Pin 2, Heater
Pin-3, Anode/plate
Pin-4, Screen grid, g2
Pin-5, Control grid, g1
Pin-6, Not used
Pin-7, Heater
Pin-8, Cathode-beam plates
Typical class-A amplifier operation
Anode voltage 250 V
Anode current 140 mA
Screen voltage 250 V
Bias voltage -15 V
Anode resistance 12 kilohms
Typical class-AB amplifier operation
(Values are for two tubes)
Power output 100 W
Anode voltage 600 V
Anode current 100 mA
Screen voltage 350 V
Bias voltage -45, (class AB2)
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