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List of Valves by Designation with Equivalent Types

ACR10

Cathode-Ray Tube

CV1382

ACR13

Cathode-Ray Tube

AD1

B4	1	2	3	4
	fc	mc	h	h

 
Thermal Delay Switch

Delay	Vh	Ah	Va	mAa
	4.0	1.5	250	6,000

 
DLS10

AR10

B5	1	2	3	4	5	tc
	a	a(d1)	f(-)	f(+)	a(d2)	g1

 
Double Diode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.1	150	-1.5	1.1	28,600	1.4

 
CV1308 HD24 L21DD TDD2A

AR11

Double Triode

4019B CV1309

AR12

Triode

4020A CV1310

AR13

Triode

4022AR B406 CV1311

AR14

Triode

220RC CV1312

AR15

Triode

220LF CV1313

AR16

Double Triode

220B CV1032 VR32

AR17

B5	1	2	3	4	5
	a	g1	h	h	k

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	4.0	1.0	250	-4	5.0	11,100	3.6

 
CV1037 MH4 NR31 VR37

AR20

Triode

4021B CV1316

AR21

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	a(d2)	a(d1)	-	h	k	g1

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.2	250	-5.5	5	15k	2

 
CV1055 EBC33 NR48 OM4 VR55

AR4

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	ra	gm
	2.0	0.1	150	28k	0.5

 
CV1303 HL210 PM1HF

AR5

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout
	2.0	0.2	150	-4.5	10	4,000	4.0	0.18W

 
CV1166 NR42 VR22

AR6

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.2	150	-4.5	10.0	4000	4.0

 
CV1304 LP2 NR42 VR22

AR62

Rectifier MV

AR7

Triode

4D1 CV1109 HL1320 NR55 VR109

AR8

MO	1	2	3	4	5	6	7	8	tc
	f(-)	-	a	-	a(d2)	m	a(d1)	f+	g1

 
Double Diode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.05	150	-2.8	1.5	24,000	1.05

 
CV1306 HL23DD

AR9

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.1	150	-4.5	4.8	10,000	1.4

 
210LF CV1021 CV1307 L2 L21 PM1LF VR21

ARD2

B3G	1	2	3	tc
	h	k	h	a

 
Diode

Diode	Vh	Ah	Va	mAa
	4.0	0.2	125	5

 
CV1078 D1 VR78

ARD4

Diode

CV1302 D42

ARDD1

B5	1	2	3	4	5
	a(1)	a(2)	h	h	k

 
Double Diode

Diode	Vh	Ah	Va	mAa
	13.0	0.2	50	8.0

 
10D1 2D13C CV1300

ARDD3

IO	1	2	3	4	5	6	7	8
	m	h	a(2)	k(2)	a(1)	-	h	k

 
Double Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.3	150	8

 
6H6G CV1301 D63

ARDD5

IO	1	2	3	4	5	6	7	8
	m	h	a(2)	k(2)	a(1)	-	h	k(1)

 
Double Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.2	140	0.8

 
CV1054 EB34 OM3 VR54

ARH1

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g2,g4	g3	-	h	k	g1

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	150	-6	3.3	8.3	1M	0.35

 
6L7 CV1280 NR67 X64

ARP1

B5	1	2	3	4	5
	a	g1	f-	f+	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout
	2.0	0.2	120	120	-4.5	5.3	1.1	2.6	0.35W

 
CV1118 NR39 PT2 VR118

ARP10

B7	1	2	3	4	5	6	7
	-	g1	g2	h	h	k	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	4.0	1.95	250	250	-5.8	36	5.0	50,000	9.5	3.8W	10%

 
APP4G CV1328 CV1329 PenA4

ARP11

B7	1	2	3	4	5	6	7	tc
	m	a	g3	h	h	k	g2	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	4.0	1.3	200	100	-2.5	8.0	1.5	4.7

 
CV1329 TSP4

ARP12

1938

MO	1	2	3	4	5	6	7	8	tc
	f	-	a	g2	g3	m	-	f	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.05	120	60	-1.5	1.45	0.5	1.45M	1.08

 
CV1331 VP23

ARP13

B7	1	2	3	4	5	6	7	tc
	m	g1	g3	f	f	-	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.1	150	80	0	2.9	0.75	0.6M	1.1

 
210VPT CV1083 CV1332 NR41 VP21 VP210 VR83

ARP14

Pentode

2201PT CV1333 Z22

ARP15

IO	1	2	3	4	5	6	7	8
	m	h	a	g2	g3	nc	h	k

 
Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	125	-3	10.5	2.6	0.6M	1.5

 
CV1195 KTW63 NR86

ARP16

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g2	g3	-	h	k	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-2	1.0	0.25	1.5M	1.23

 
6J7 CV1074 KTZ63 NR83 VT74

ARP17

IO	1	2	3	4	5	6	7	8
	m	h	a	g2	g1	-	h	k

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	6.3	0.7	285	285	-20	38	7	78k	2.55	4.5W	9%

 
6F6G CV1186 KT63 NR85

ARP18

Pentode

CV1334 KT24

ARP19

MO	1	2	3	4	5	6	7	8	tc
	h	k	a	g2	g3	m	-	h	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	4.0	0.95	200	200	-1.5	10.9	2.7	0.7M	8.5

 
CV1335 CV1574 SP41 VR65A

ARP2

B7	1	2	3	4	5	6	7	tc
	m	g1	g3	f	f	-	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.18	135	135	0	3.0	1.0	0.7M	1.8

 
CV1320 SP2

ARP20

MO	1	2	3	4	5	6	7	8	tc
	h	k	a	g2	g3	m	-	h	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	4.0	0.95	200	200	-1.5	20.0	5.0	9.0

 
CV1336 NR79 SP42

ARP21

Pentode

CV1192 NR79 Z62

ARP22

Pentode

116Pen CV1337

ARP23

B7	1	2	3	4	5	6	7	tc
	-	g1	g3	h	h	k	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	4.0	1.0	250	125	-	-	-	0.8M	2.8

 
CV1124 MS/Pen NR70 VR124

ARP24

Pentode

220VPT CV1338

ARP25

B7	1	2	3	4	5	6	7
	-	g1	g2	h	h	k,g3	a

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	4.0	2.0	250	250	-4.4	40	8.5	10.5	4.2W	8%

 
4066A 7A3 CV1181 KT41 NR59 PenA4

ARP26

B7	1	2	3	4	5	6	7	tc
	-	g1	s	h	h	k	g2	a

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	4.0	2.0	250	250	-25	85	20	6.3	7.5	9%

 
KT44

ARP3

B7	1	2	3	4	5	6	7	tc
	-	a	g3	h	h	k	g2	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	μ
	13	0.2	250	125	-1	10.0	3.5	0.6M	1.65	1,000

 
12VPA 9D2 CV1106 CV1321 VR106

ARP33

B7	1	2	3	4	5	6	7	tc
	m	g1	g3	h	h	k	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	4.0	1.0	250	100	-1.75	3.3	1.0	2.4

 
CV1341 MSP4

ARP34

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g2	g3	-	h	k	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.2	250	250	-2.5	6	1.7	1.5M	2.2

 
CV1053 EF39 OM6 VR53

ARP35

B9G	1	2	3	4	5	6	7	8	9
	h	g2	a	g3	s	k	g1	s	h

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	250	-2	10	3	1M	6.5

 
63SPT CV1091 CV1578 EF50 VR91 Z90

ARP36

MO	1	2	3	4	5	6	7	8	tc
	h	k	a	g2	g3	m	nc	h	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.6	200	200	-1.5	10.9	2.7	0.7M	8.5

 
CV1065 SP61 VR65

ARP37

MO	1	2	3	4	5	6	7	8
	f-	-	a(2)	g2	g1(2)	g1(1)	a(1)	f+

 
Double Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	Pout
	2.0	0.2	120	120	-9.75	2.3	0.43	1.2W

 
CV1342 QP25

ARP38

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g2	-	-	h	k	g1

 
Pentode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.6	0.3	250	100	-3	2.0	0.5	1.5M	1.23

 
CV1343 KTZ73

ARP4

Pentode

CV1322 SP210

ARP5

B7	1	2	3	4	5	6	7	tc
	m	g1	g3	f	f	-	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.18	135	135	0	3.0	1.25	0.4M	1.5

 
CV1323 VP2

ARP6

1933

B7	1	2	3	4	5	6	7	tc
	M	g1	g3	h	h	k	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	4.0	1.0	200	100	-2	3.0	1.1	2.2M	2.3

 
CV1324 SP4

ARP7

Pentode

42MPT CV1325

ARP75

Pentode

CV1221 NT38A PT6 PZ1-75 SW75Pen

ARP8

Pentode

AC4Pen CV1326

ARP9

Pentode

7D8 CV1327 Pen1340

ARP9A

Pentode

7D8S CV1328

ARS6

1928

Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	ra	gm
	6.0	0.15	180	120	-	125,000	0.65

 
S625 CV1317

ARS7

Tetrode

CV1318 VS24

ARS8

Rectifier HW

CV1319

ARTH1

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g2,g4	g1(t),g3	a(t)	h	k	g1

 
Triode Hexode

Hexode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-2.0	3.0	3.0	1.3M	0.65

 
6K8G CV1944

ARTH2

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g2,g4	g1(t),g3	a(t)	h	k	g1

 
Triode Hexode

Hexode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-2.0	3.0	3.0	1.3M	0.65

 
CV1347 ECH35

ARTP2

1938

MO	1	2	3	4	5	6	7	8	tc
	f-	-	a	a(t)	g1(t),g3	m	g2	f+	g1

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.2	120	60	-1.5	0.58	0.92	1.3M	0.26

 
TP25 CV1345

AT20

Triode

CV1361 MZ02-50

AT35

L4	1	2	3	4
	a	f	f	g1

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	μ
	6.0	1.28	1200	-	80.0	3600	2.1	11

 
CV1025 DET25 VT25

AT37

Triode

ACT36

AT75

Triode

ACT6 CV1222 NT39

ATP10

Pentode

1062A 4061A CV1369

ATP100

Pentode

4069A CV1372

ATP35

Pentode

CV1370 NT74 PV1-35

ATP4

MO	1	2	3	4	5	6	7	8	tc
	f-	-	-	g2	g1	-	-	f+	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	gm
	2.0	0.3	150	150	-1	5.2

 
CV1366 V248A

ATP5

B7	1	2	3	4	5	6	7	tc
	-	g1	g3	f	f	-	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	Pdiss
	3.0	0.3	450	250	-1	20	6	5W

 
CV1367 V245

ATP7

B7	1	2	3	4	5	6	7	tc
	-	g1	g3	f	f	-	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.0	0.2	600	300	-5	14.0	-	1M	3.0

 
CV1368 V266

ATP75

Pentode

CV1371 NT38 PT6 PZ1/75

ATS25

UX5	1	2	3	4	5	tc
	h	g2	g1	k	h	a

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout
	6.3	0.9	300	250	-14	83	8	20k	6.5	6.7W

 
807 CV1374 VT60A

ATS25A

UX5	1	2	3	4	5	tc
	h	g2	g1	k	h	a

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout
	6.3	0.9	300	250	-14	83	8	20k	6.5	6.7W

 
5B/250A 807 CV1364 VT60A

ATS70

Beam Tetrode

4282B CV1365

AU1

B4	1	2	3	4
	a(1)	a(2)	f	f

 
Rectifier FW

Rectifier	Vh	Ah	Va	mAa
	4.0	3.0	500	250

 
45IU CV1264 FW4-500 NU12 U18/20

AU12

L4	1	2	3	4
	a	f	f	-

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	6.0	2.0	1,500	200

 
CV2853 NU13A RZ1-250 U15

AU13

IO	1	2	3	4	5	6	7	8
	m	h	nc	a(2)	nc	a(1)	nc	h,k

 
Rectifier FW

Rectifier	Vh	Ah	Va	mAa
	5.0	2.0	350	125

 
5Z4

AU2

Rectifier HW

RG250

AU3

Rectifier FW

CV1064 DW4-500 NU3 U12/14 VU64

AU3A

B4	1	2	3	4
	a(1)	a(2)	f	f

 
Rectifier FW

Rectifier	Vh	Ah	Va	mAa
	4.0	2.5	500	120

 
1561 CV1039 IW4 MU14 NU17 R3 VU39

AU4

B4	1	2	3	4	tc
	-	-	f	f	a

 
Rectifier HW

Diode	Vh	Ah	Va	mAa
	4.0	1	2500	30

 
CV1113 NU18 U17 VU113

AU5

B4	1	2	3	4	tc
	-	-	f	f	a

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	4.0	1.1	5,000	50

 
CV1111 R11 U27 V1907 VU111

AU6

B4	1	2	3	tc
	-	-	f	a

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	4.0	3.0	1,750	250

 
CV1072 GU50 NU16 RG1-240A VU72

AU8

MO	1	2	3	4	5	6	7	8	tc
	h,k	ic	ic	ic	ic	ic	ic	h	a

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	2.0	2.0	5200	1.0

 
CV1356 U22

AW2

B4	1	2	3	4
	a	k	-	-

 
Voltage Stabiliser

Stabiliser	Va	mAa
	100	1.0-8.0

 
7475 CV1070 VS70

AW3

B4	1	2	3	4
	a	k	-	-

 
Voltage Stabiliser

Stabiliser	Va	mAa
	120	75

 
CV1110 S130 VS110

AW4

B5	1	2	3	4	5
	a(4)	k	a(2)	a(3)	a(1)

 
Voltage Stabiliser

Stabiliser	Va	mAa
	420	55

 
A2235 CV1068 STV280/40 VS68

AW5

Tuning Indicator

CV1359 ME41

AW6

Tuning Indicator

CV1077 EM31 V177