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Valve Types and Equivalents
    
Extras ▼
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POSV2
Voltage Stabiliser
 
 
CV1731
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POTCR1
Cathode-Ray Tube
 
 
4018AG
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT3
Triode
1918
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT4
Triode
1919
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT5
Triode
1919
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT6
Triode
1919
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT7
Triode
1920
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT8
Triode
1921
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT9
Triode
1921
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT10
Triode
1921
 
CV1610
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT11
Rectifier HW
1921
 
CV1611
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT12
Triode
1921
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT13
Triode
1921
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT14
Triode
1921
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT15
Triode
1921
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT16
Triode (Silica)
 
 
CV1607
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT17
Rectifier HW (Silica)
 
 
CV1608
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT18
Triode
1922
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT19
Triode
1922
 
CV1612
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT20
Rectifier HW
1922
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT21
Rectifier HW
1922
 
CV1613
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT22
Triode
1922
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT23
Triode
1922
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT24
Triode
1922
 
LS5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT25
Triode
1923
CV1637 LS5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT26
Triode
1923
 
220-B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT27
Rectifier HW
1923
 
CV1601
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT28
Triode
1923
 
B5 DE3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT29
Triode
1924
 
V24
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT30
Triode
1925
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT31
Triode
1925
UVThe Shaw Base
101D 4010D CV1638 SY401D
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT31B
Triode
 
 
4101E CV1639
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT32B
Triode
 
UVThe Shaw Base
CV1640
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT32D
Triode
 
 
CV1641
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT33
Triode
1925
 
CV1642 DER
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT34
Triode
1925
 
CV1614 ES1500A MT13
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT35
Rectifier HW
 
 
CV1615 CV2944 ESU1500
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT36
Rectifier HW
 
 
CAR4 CV1602
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT37B
Triode
 
UVThe Shaw Base
CV1643
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT37C
Triode
 
UVThe Shaw Base
CV1644
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT38
Triode
 
CV1645 E133
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT38A
Triode
 
 
CV1646
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT39
Triode
1924
UVThe Shaw Base
LS5A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT40
Triode
1927
 
CV1647 LS5B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT46
Triode
 
 
CV1616
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT47
Triode
 
 
CV1603
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT51
Triode
 
 
CV1617
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT53
Triode
 
 
CV1604
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT54
Triode
 
 
CV1618
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT56
Triode
 
 
CV1648
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT58
Triode
 
 
CV1619
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT59
Triode
 
 
CV1620
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT60
Triode
 
 
CV1605
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT61
Triode (Silica)
 
 
CV1609
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT62
Triode
 
 
CV1606
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT65
Triode
 
 
CV1649
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT66
Triode
 
 
CV1650
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT68
Triode
 
 
CV1651 VT68
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT69
Triode
 
 
CV1652
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT73A
Triode
1937
UVThe Shaw Base
CV1653
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT74
Triode
 
 
CV1654
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT75
Triode
 
 
AR11 CV1655
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT78
Triode
 
 
CV1656
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT79A
Triode
 
 
CV1657
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT80A
Triode
 
 
CV1658 LS9B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT81
Triode
 
B4
CV1659
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT82
Triode
 
 
CV1660 LS7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT85
Triode
 
 
CV1661
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT86
Triode
 
 
CV1662
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT87
Triode
 
 
AR20 CV1663
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT88
Triode
 
 
AR13 CV1664
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT89
Triode
 
 
CV1665
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT90
Triode
 
 
CV1732 ML4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT91
Triode
 
 
CV1038 MHL4 NR26 VR38
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT92
Triode
 
 
CV1735 DC2/P
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT93
Triode
 
 
CV1666
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT94
Triode
 
 
CV1667
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT95
Triode
 
 
CV1668
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT98
Triode
 
 
CV1669
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT100B
Triode
 
 
4D1 CV1670 HL1320 HL13C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT102
Triode
 
 
CV1671
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT103B
Pentode
 
B7
CV1672 Pen36C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT104
Triode
 
 
DO24 NR47 PP5/400 PX25 VR40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT105
Triode
1931
 
CV1673
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT106
Pentode
 
 
CV1674
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT107
Pentode
1936
B7
CV1675 N43 VT107
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT108
Pentode
 
 
CV1676 LS8A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT109
Tetrode
 
 
CV1677 S4VB
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT110
Triode
 
 
41MH CV1678
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT111
Triode
 
B4
CV1679 DA30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT112
Triode
 
 
CV1680 PM202
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT113
Pentode
 
 
CV1681 TSP4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT114
Pentode
 
 
CV1682
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT115
Pentode
 
 
CV1683
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT116
Pentode
 
 
CV1684
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT116A
Pentode
 
 
CV1685
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT118A
Diode
 
 
CV1686
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT118B
Diode
 
 
CV1687
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT119
Pentode
 
 
CV1169 NR45 VMP4G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT121A
Triode
 
 
CV1062 CV1288 NT58A NT58 VT62
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT122
Pentode
 
 
CV244
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT125
Triode
 
 
CV1689 PA1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT126
Pentode
 
 
9A1 CV1690
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT127A
Double Diode
 
B5
CV1691 DDL4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT128
Triode
 
 
AC/P CV1692
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT131
Triode
 
 
CV1168 CV1621 NR44 PX4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT132
Triode
 
 
4102D CV1694
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT133
Double Diode
 
 
CV1695 DDL13
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT136
Beam Tetrode
 
 
ARP1 KT2 NR39 POVT136 PT2 VR118
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT138
Rectifier MV
 
 
CV1263 CV1623 RG1-125 RGL250
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT140
Triode
 
 
ARS CV1199 LP2 NR42
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT142
Rectifier FW
 
B4
AU4A CV1039 NU17 VU39
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT143
Triode
 
 
B21 CV1696
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT144
Pentode
 
 
ATP75 CV1371 NT38
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT145
Tetrode
 
 
4045A CV243
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT146
Rectifier MV
 
 
CV1625 CV32 RG3-250
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT147
Triode Hexode
 
 
CV1697 X41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT148
Tetrode
1938
 
CV1698 KTZ41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT149
Pentode
 
 
ARP38 CV1343 KTZ73M
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT150
Pentode
 
 
CV1699 SP41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT150A
Pentode
 
 
CV1700 SP41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT151
Triode
 
 
CV1701 XL0
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT152
Triode
 
 
CV1702 XP
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT153
Pentode
 
 
CV1703 XW
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT154
Triode
 
 
CV1067 L63 VR67
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT155
Pentode
 
 
57 CV1704
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT156
Pentode
 
 
58 CV1705
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT157
Double Diode Pentode
 
 
2B7 CV1706
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT158
Pentode
 
 
2A5 CV1707
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT159
Rectifier FW
 
 
80 CV1708
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT160
Pentode
 
 
6D6 CV1709
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT161
Pentode
 
 
6C6 CV1710
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT162
Double Diode Pentode
 
 
6B7 CV1711
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT163
Pentode
 
 
42 CV1712
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT164
Pentode
 
 
CV1713 EF8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT165
Pentode
 
 
CV1714 EF9
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT166
Double Diode Triode
 
 
CV1715 EBC3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT167
Triode
 
 
A580 CV1716 E1541
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT168
Rectifier MV
 
B4
CV1626 RG1-240A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT169
Pentode
 
 
4307A CV1717
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT170
Triode Pentode
 
 
AC/TP CV1718
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT171
Rectifier HW
 
 
CV1719 U22
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT177
Triode
 
 
CV1720 XL1.5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT178
Triode
 
 
CV1721 XP1.5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT179
Tetrode
 
 
A901 CV1722
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT181
Pentode
1940
IO
CV1052 EL32 OM9 VT52
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT182
Pentode
 
 
CV1723 V257
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT183
Pentode
1946
 
5A/102D CV1724
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT185
Pentode
 
 
4328D CV245
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT186
Pentode
 
 
5A/105A CV1726
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT187
Pentode
 
 
5D/100A CV1627
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT188
Pentode
 
 
CV1727 SP210
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT189
Thyratron
 
 
CV1128
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT190
Triode
 
 
CV1728 WE262B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT191
Rectifier MV
 
 
CV1628 GU8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT193
Vari-μ HF Pentode
1939
 
CV1100 KTW61 KTW62 NR64 VR100
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT194
Double Diode Triode
1936
 
6Q7G CV587 NR68
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT197
Rectifier MV
 
 
CV1629 RR3-1250
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT200
Pentode
1941
 
ARP36 CV1065 SP61 VR65
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT201
Pentode
1940
IO
CV1056 EF36 NR49
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT205
Pentode
 
 
5C/450 CV1630 ESP450
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT206
Rectifier EHT
 
B4
NU33 SU2150A VU120
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
POVT207
Pentode
1938
 
EF50 VR91 Z90
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