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Valve Types and Equivalents

    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7
Barretter
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7A2
Pentode
1933
 
A70B AC/Pen AC2/Pen APP4A APP4B CV1174 KT41 KT42 MKT4 MKT4/5 MP/Pen MPT4 N40 P4VA Pen4VA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7A3
Pentode
1935
 
4066A 420T 42MP/Pen A70C AC2/Pen APP4B ARP25 CV1181 KT41 N41 NR59 PT4 Pen4VB PenA4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7A4
Triode
1940
 
CV1770
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7A5
Beam Tetrode
1940
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7A6
Double Diode
 
 
CV876
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7A7
Pentode
 
 
CV877
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7A8
Octode
1938
B8B
CV878
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7AF7
Double Triode
1945
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7AN7
Double Triode
1954
B9A
30L1 B319 PCC84
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B4
Triode
1940
 
CV879
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B5
Pentode
1949
 
CV880
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B5E
Pentode
1939
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B5LT
Pentode
19040
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B6
Pentode
 
B8B
CV882 DH81 DL82
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B6LM
Double Diode Triode
1940
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B8
Heptode
1939
B8B
VT-208
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B8LM
Heptode
1940
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7B7
Pentode
 
B8B
CV522 W149
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7BP7A
Cathode-Ray Tube
 
 
CV3637
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7C23
Triode (Power)
 
 
BR1165
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7C24
Triode (Power)
 
 
5762
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7C5
Pentode
1939
B8B
CV885 KT81 N148
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7C5LT
Pentode
1940
 
CV885 KT81 N148
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7C6
Double Diode Triode
1938
B8B
CV887 DH149
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7C7
Pentode
1940
B8B
6W7G CV1777 VT-193
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D10
Pentode
 
 
6CH6 CV2127 EL821
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D11
Beam Tetrode
 
 
12E13 CV5220 KT88
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D3
Pentode
1935
 
40PPA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D5
Pentode
1938
 
CV1425 N30 PP13A PTA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D6
Pentode
1935
 
C70D CV1672 PP35 Pen3250 Pen36C Pen383
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D8
Pentode
1935
B7
ARP9 CV889 CV1327 Pen1340 Pen13C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D8S
Pentode
 
 
ARP9A CV1328
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D9
Pentode
1949
 
16A 6AM5 6P17 CV136 EL91 N144 N77
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7D10
Pentode
1952
 
6CH6 CV2127 EL821
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7DJ8
Double Triode
1957
 
PCC88
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7E6
Double Diode Triode
1940
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7E7
Double Diode Pentode
1940
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7ES8
Double Triode
1960
 
PCC189
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7F7
Double Triode
1940
 
CV893 VT-189
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7F8
Triode
 
 
CV2968
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7FC7
Double Triode
1959
 
PCC89
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7G7
Pentode
 
 
CV894
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7G7/1232
Pentode
1940
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7GV7
Triode Pentode
1962
 
30C18 PCF805
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7H57
Rectifier MV
 
 
AH205/857B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7H7
Pentode
1940
B8B
CV895 VT-190 W143 W148 W81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7HG8
Triode Pentode
1960
B9A
PCF86
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7J7
Triode Heptode
1940
 
CV897
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7K7
Double Diode Triode
1938
B8B
CV896
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7L7
Pentode
1940
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7N7
Double Triode
1941
 
CV898
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7Q7
Heptode
1940
 
CV899
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7R7
Double Diode Pentode
1942
B8B
CV900
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7S7
Triode Heptode
1948
B8B
7J7 X148 X81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7UP7
Cathode-Ray Tube
 
 
CV3639
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7V7
Pentode
1941
B8B
1231
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7W7
Pentode
1941
 
1282 CV902
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7X7
Double Diode Triode
1948
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7Y4
Rectifier FW
1938
B8B
CV901 U149 U82
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
7Z4
Rectifier FW
1941
B8B
CV346 CV1790 EZ22 VT-181
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