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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/5726
Pentode
 
 
CV4050 M8237
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/5750
Heptode
 
 
CV4037
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6057
Double Triode
 
 
CV4035 M8214
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F6060
Double Triode
 
B9A
CV4033 M8144
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6060
Double Triode
 
 
CV4033 M8144
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6061
Double Beam Tetrode
 
 
CV4046
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6063
Rectifier FW
 
 
6AS6W CV4001
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6064
Pentode
 
 
CV4002 M8140
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6067
Double Triode
 
 
CV4034 M8149
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6132
Pentode
 
 
CV4056
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/6158
Voltage Stabiliser
 
 
CV4052 CV4069
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F/7001
Beam Tetrode
 
 
CV4067 M8167
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F1
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F2
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F3
Triode
1924
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F353
X-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F61
Voltage Stabiliser
 
B7G
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
F9031A
Thermal Delay Switch
 
 
XT45A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FA5
Flash Tube
1951
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FA7
Flash Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FC13
Heptode
1934
Ct8
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FC13C
Octode
1935
B7
13PGA 15D1 CV2956 VO13
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FC141
Heptode
1939
MO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FC2
Octode
1935
B7
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FC2A
Octode
1937
B7
CV2954
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FC4
Octode
1934
B7
15A2 41MPG A80 A80A CV2955 MX40 VHT4 VO4 X42
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FE7B
Photocell
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FER1
Triode
1925
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FER2
Triode
1925
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FG105
Thyratron
 
 
MT105 XGQ2-6400
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FG17
Thyratron
1945
 
MT17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FG57
Thyratron (Hydrogen)
1952
 
MT57 XG1-2500
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Frelat
Triode
1925
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FT-15R
Rectifier HW
1940
 
15R 4B30 CV934
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FT4
Tuning Indicator
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FTV1
Cathode-Ray Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FU-32
Double Beam Tetrode
 
B7A
832A FU32
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FW4-500
Rectifier FW
1939
B4
45-IU AU1 CV1264 NU12 RV200/600 U18/20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FW4-800
Rectifier FW
1948
B4
CV31 U20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FW5
Rectifier FW
 
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FX227
Thyratron
1952
UX4
3C45 BT79 CV372 XH3-045
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FX2505
Thyratron
 
 
4C35 CV1787
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FX-6A
Flash Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
FY-505
Trigger Module
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Fleming
Diode
1904
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Fleming Diode
Diode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Four-Anode
Four Anode Diode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Four-in-One
Quadruple Triode
1929
 
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