The Tube Directory

6C33C

6C33C

6C41C

6C19C

300B

VV30B

2A3

KT66

KT77

KT88

EL34

6L6 / 5881

6550

807

6BQ5 / EL84

5998

8417

12AX7 / ECC83

12AT7 / ECC81

12AU7 / ECC82

6189

6680

6DJ8 / ECC88 / 6922

6SL7

6SN7

EF86

6CA7

5U4

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The KT77
Specification and max ratings(*)
Filament Voltage
6.3
V
Filament Current
1.5
A
Plate Voltage (max)
800
V
Plate Current (max)
140
mA
Plate Dissipation (max)
25
W
Screen Voltage (max)
425
V
Screen Current (max)
50
mA
Screen Dissipation (max)
8
W
 
(*) These specifications are provided 'as-is', with no warranty of any kind. Use of these parameters shall be entirely at the user's own risk.

KT77 triode mode connection.
KT77 Curves
KT77 ultralinear mode connection.
KT77 Curves
KT77 penthode mode connection.
KT77 Curves