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Valve Types and Equivalents

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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H-16/S1
Vacuum Relay

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H08
Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H125
Midget Triode
1938
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H125
Triode
1926
B4
4215A Wecovalve

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H125A
RF/Detector Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H141D
Diode Triode
1939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H2
RF/Detector Triode
1932

CV2977

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H210
Triode
1929
B4
B228

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H2D
Triode
1934

CV2977

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H30
Triode
1934
B7
CV2979

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H310
RF/RCC Triode
1925
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H406
Triode
1926
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H41
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H410
Triode
1929

CV2981

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H412
Triode
1931

RD4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H42
Triode
1936
B7
CV1180 NR60

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H4D
Double Diode Triode
1933

11A2 AC/HL/DD DDT4 DDT DH42 MHD4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H4E
Diode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H512
RF/RCC Triode
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H610
Triode
1929

CV2982

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H63
Triode
1937
IO
6F5G CV1073 VT73

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H85-255/80
Barretter
1939
B4
85-255V0.08A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HA1
Acorn Triode
1936
Misc
CV1171 NR50

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HA2
Acorn Triode
1936
Misc
955 CV1059

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HAA91
Double Diode
1957

12AL5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HABC80
Triple Diode Triode
1953
B9A
19AK8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HAD
Double Diode Triode
1935

11D3 13DHA HL/DD/1320 TDD13C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HBC90
Double Diode Triode
1950
B7G
12AT6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HBC91
Double Diode Triode
1953

12AV6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HD14
Diode Triode
1940
1H5GT CV1818 DAC32 VT-223

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HD2
Triode
1929

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HD21
Double Diode Triode
1934
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HD22
Double Diode Triode
1934
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HD23
Double Diode Triode
1938
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HD24
Double Diode Triode
1939
B5
210DDT AR10 CV1308 CV2985 DDT2 L21/DD TDD2A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HD4
Diode Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H.F
Bi-Grid
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

H.F&DET
Bi-Grid
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF
Triode
1924
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF-Amplifier
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF-Relay
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF100
Triode
1947
UX4
CV2987

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF13
Triode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF130
Pentode
1948

838 CV638 RK58

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF2(Red Line)
RF Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF210
RF Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF407
RF Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF4(Red Line)
RF Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF607
RF Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF6(Red Line)
RF Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF93
Pentode

B7G
12BA6 CV1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HF94
Pentode
1954

12AU6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HI-MU
Triode
1920

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HK24
Triode
1945

24-G 24G 25T 3C34 CV745 CV941

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HK24G
Triode
1945

3C24 B1109 CV789

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HK257B
Pentode
1946

4E27 CV824

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HK54
Triode
1938
UX4
4C25 CV707

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HK645
Triode

CV670

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HK90
Heptode
1950
B7G
12BE6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL/DD/1320
Double Diode Triode
1934
B7
11D3 13DHA CV3503 HAD TDD13C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL.8
Triode
1925
UV The Shaw Base
HL-Point8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL08
Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL10
Triode

IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL13
Triode
1934
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL1320
Triode
1934
B7
4D1 AR7 C30B CV1000 CV1109 CV3502 DA HL13C NR55 VR109 VT100B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL133
Triode
1938

CV2998

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL133DD
Double Diode Triode
1938
MO
CV2999

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL13C
Triode
1935
Ct8
4D1 C30B CV1109 DA HL1320

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL2
AF/Detector Triode
1931
B4
210HF CV1673 HLB1 PM2HL

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL20
Detector Triode
1932
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL21/DD
Double Diode Triode
1934
B5
210DDT CV1044 VR44

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL210
Triode
1929
B4
AR4 CV1303 CV3500 PM1HF

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL212
Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL213
Triode
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL22
Triode
1938
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL23
Triode
1938
MO
3A/205D CV1130 CV1586 CV2994 VR130

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL23DD
Double Diode Triode
1938
MO
AR8 BVA132 CV1306 CV2995

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL2K
Triode
1934
B4
210HL CV1050 HL2 PM2HL VT50

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL310
Triode
1925
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL4
Triode
1935
B5
CV1173

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL41
Triode
1938
MO
3A/204D CV24

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL41DD
Double Diode Triode
1938
MO
CV2996

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL425
AF Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL42DD
Double Diode Triode
1939
MO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL512
Triode
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL565
Triode
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL607
Triode
1929
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL610
Triode
1930

CV3501

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL63
Double Diode Triode

CV2997

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL92
Pentode
1950
B7G
50C5 CV1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HL94
Pentode
1956

30A5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HLA1
Triode
1932

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HLA2
Triode
1933

41MTL 904V AC2/HL HLA2 MH41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HM04
Heptode

6BE6 EK90 X77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HN309
Triode Pentode
1956
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Holland Lamp
Triode
1918

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP2
Diode Triode
1933

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP211
Pentode
1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP211C
Pentode
1937
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP2018
Pentode
1932
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP210
Pentode
1934
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP215
Pentode
1934
B7
210SPT HP210 SPT2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP4101
Pentode
1935
B7
CV1879

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP4101C
Pentode
1938

8AI AC/SG CV1282

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP4106
Pentode
1935
B5
E447 S434N

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP4106C
Pentode
1939

9A1 AC/VP1 CV518 MVS-Pen VMP4G VPT4G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP4115
Pentode
1935
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HP6
Pentode

6AM6 6F12 8D3 CV138 EF91 Z77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HPT220
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR1
Rectifier HW

2T/270K 6305 HR2 R10

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR1/60/0.5
Cathode-Ray Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR11
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR12
Rectifier HW
1960

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR14
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR2
Rectifier HW
1936

2T/270K 6304 CV261 HR1 R10 R20

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR210
Triode
1933
B4
PM1HL

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR3
Rectifier HW
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR6
Rectifier HW
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HR9
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HS252
Camera Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HS256
Camera Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HTB2
Barretter

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HU8525
Barretter

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HVR1
Rectifier HW
1936

CV1134 NU34 VU134

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HVR2
Rectifier HW
1937
B4
CV1134 CV1291 NU33A NU34 VU134

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HVR2A
Rectifier HW
1937
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HX210
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HX966B
Rectifier HW

UX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HY615
Triode

IO
615-CHY CV3506 VT-235

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HY69
Beam Tetrode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HY75
Triode

IO
CV751

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

HY90
Rectifier HW

35W4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Horned
Triode
1916

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