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Tube images

Pinout and connections

Base: K8A - Octal (Int.Octal, IO) , USA 1935 (8 pin)

PinFunction
1nc
2h
3a
4g2
5g1
6nc
7h
8k,bp

Electrical data

Filament

Filament voltage Vh
6.3 V
Filament current Ih
1.6 A

Maximum ratings

Maximum anode voltage Va max
800 V
Maximum anode dissipation Pa max
42 W
Maximum screen-grid voltage Vg2 max
600 V
Maximum screen-grid dissipation Pg2 max
8 W
Maximum cathode current Ik max
0.23 A
Maximum filament-cathode voltage Vhk max
200 V

Capacità interne

Capacità griglia-catodo Cgk
16 pF
Capacità anodo-catodo Cak
12 pF
Capacità griglia-anodo Cga
1.2 pF

Substitutes

Equivalent types

Different ratings

Datasheet PDF

PDF Language Pages Manufacturer
KT88_GEC.pdf 34
KT88.pdf 1
KT88spec.pdf 2
KT88.pdf en 8 GEC
KT88.pdf en 8 M-O Valve

EL84 ECC83 12AX7 EL34 6L6GC 300B KT88 GZ34

123,884 Catalog valves
19,417 Stored valve datasheets

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