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Valve Types and Equivalents

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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L102/2K
Barretter

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L12
Midget Triode
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L2
Triode
1931
B4
210LF AR9 CV1307 CV3531 L21 VR21 VR22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L21
Triode
1933

210LF AR9 CV1307 CV3532 L2 VR21

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L210
AF Triode
1929
B4
210LF CV1027 VR27

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L21/DD
Double Diode
1934
B5
AR10 CV1308 HD24 TDD2A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L22/DD
Double Diode Triode
1939
MO
CV3533

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L225
AF Triode
1926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L240
Output Triode
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L30
Triode
1934

CV3534

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L4
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L410
Triode
1929
B4
410LF CV1152 NR15A PM4DX

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L414
Triode
1930
B4
B409

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L525
Output Triode
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L550
Output Triode
1925

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L610
Triode
1929
CV3538

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L63
Triode
1938
IO
6C5 6J5G CV1067 CV1932 POVT154 VR67

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L71
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L77
Triode
1951
B7G
6C4 CV133 CV1932 EC90 V741

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LA16-2
Forward Wave Amplifier
1959

7639

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LA16-2C
Forward Wave Amplifier
1962

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LA4-2
Forward Wave Amplifier
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LA4-250
Forward Wave Amplifier
1959

7637

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LA9-3
Forward Wave Amplifier
1960

7638

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LB4-2
Forward Wave Amplifier
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LB4-8
Forward Wave Amplifier
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LB6-12
Forward Wave Amplifier
1960

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LCF86
Triode Pentode

5HG8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LD1
UHF Triode
1941
12C3C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LD15
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LD2
Triode
1943

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LD210
Triode
1945
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LD210
Triode
1935
B4
210DET 210LF A214 CV502 HL2 HLB1 K30D K30E L21 L210 L2 PM1LF PM2DL PM2DX SD2 SS210D TB102 TB172

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LDR03
Light Dependent Resistor

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Le Clairton (Amplifier)
Triode

UV The Shaw Base

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Le Radion (Detector)
Triode

UV The Shaw Base

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Le Radion (Amplifier)
Triode

UV The Shaw Base

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

L.F.
Bi-Grid
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF
Triode
1924

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF&Det
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF2
Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF210
AF Triode
1927
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF2(White Line)
AF Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF4(White Line)
AF Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF407
AF Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF607
AF Triode
1928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF6(White Line)
AF Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LF610
Triode
1928
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LG1
Rectifier FW
1943

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LG210
Triode
1930
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LG3
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LK199
Voltage Stabiliser
1941
150/40Z+D2548 Ln28729

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LL4
Triode
1937

054V 41MXP ACP1 PA1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LL525
Output Triode
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LN119
Triode Pentode

10PL12 50BM8 UCL82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LN152
Triode Pentode
1950
B9A
63TP 6AB8 ECL80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LN309
Triode Pentode
1953
B9A
CV5144 PCL83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LN319
Triode Pentode

13GC8 30PL1 PCL801

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LP2
Output Triode
1930
B4
220PA 230C AR6 CV548 CV1162 CV1166 CV1304 NR42 P12-250 VR22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LP220
Triode
1935
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LP 4
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LP4
Triode
1933
B4
4XP AC044 CV1168 NR44 P12/250 PP3/250 PX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS1
Triode
1923

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS1
Pentode
1940

LN30000

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS2
Triode
1923

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS2
Double Triode
1940

LN30001

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS3
Triode
1923
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS5
Triode
1923
B4
CV1637 POVT25

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS50
Pentode
1941
GU-50

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS5A
Triode
1924
B4
POVT39

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS5B
Triode
1927
B4
POVT40

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS650
Beam Tetrode

CV391

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS680
Bi-Grid
1927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS6A
Triode
1929
B4
CV3541

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS7
Repeater Triode
1929

CV1660 POVT82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS7B
Repeater Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LS9B
Triode

B4
CV1658 VT.no80A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LSD2
Flash Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LSD3
Flash Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LSD7
Flash Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LSD8
Flash Tube
1949
UX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LT1
Triode
1921
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LV1
Pentode
1941

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LX230
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LZ319
Triode Pentode
1954
B9A
30C1 9A8 LZ329 PCF80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LZ329
Triode Pentode
1960
B9A
30C1 9A8 LZ319 PCF80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

LZ339
Triode Pentode
1959

30C15 9EN7 LZ319 PCF800

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