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Valve Types and Equivalents
    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y-616
Planar Triode
 
8965
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y-644
Tetrode (Power)
 
B8F
4CX250BC
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y-799
Pentode
 
B8F
4KC/160M CCS1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y119
Tuning Indicator
1954
 
19BR5 UM80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y220
Critical Distance Tetrode
1935
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y61
Tuning Indicator
1939
IO
63ME 6H5 6M1 6U5G CV1103 VFT6 Y63
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y63
Tuning Indicator
1937
IO
63ME 6H5 CV1103 NR69 VI103 Y64
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y64
Tuning Indicator
1938
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y65
Tuning Indicator
 
 
A1320 CV51
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Y73
Tuning Indicator
1939
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YD1050
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YD2
Triode
1930
B4
220P LP2 P220 PM2A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YD4
Triode
1931
 
E422
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1000
Pentode
1964
B9A
8463
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1020
Double Beam Tetrode
1964
B7A
QQZ03-20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1030
Double Beam Tetrode
1964
 
QQZ06-40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1080
Double Beam Tetrode
1960
B9A
8348
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1130
Double Beam Tetrode
1966
B9A
8408
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1190
Double Beam Tetrode
 
B9D
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL240
Double Beam Tetrode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1420
Power Tetrode
1974
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1430
Power Tetrode
1974
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1440
Power Tetrode
1974
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1470
Power Tetrode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1520
Power Tetrode
1973
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1540
Power Tetrode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1550
Power Tetrode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1560
Power Tetrode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
YL1580
Power Tetrode
 
 
 
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