S11E12

	1	2	3	4	5	6	7	8
	ic	h	a	g2	g1	bp	h	k

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs
	6.3	1.6	800	300

 
CV4060 L.5B/280K 7971 CV8077

S12

Pentode

S130

B4	1	2	3	4
	a	k	-	-

 
Voltage Stabiliser

Stabiliser	Va	mAa
	120	75

 
AW3 CV1110 CV1582 VS110

S130A

Voltage Stabiliser

CV3694

S130P

B4	1	2	3	4
	a	k	-	pa

 
Voltage Stabiliser

Stabiliser	Va	mAa
	120	75

 
CV0045 GTR120A

S19G6

B7G	1	2	3	4	5	6	7	tc
	ic	k	h	h	ic	ic	ic	a

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	4.0	0.5	2000	30

 
CV4057 L.2S/280K

S19G6F

Rectifier HW

CV4042 L.2S/280F

S2

B4	1	2	3	4	tc
	g2	g1	f	f	a

 
Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.3	120	60	-1	2.25	0.3	0.3M	1.1

 
 

S215

B4	1	2	3	4	tc
	g2	g1	f	f	a

 
Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.15	150	60	0	2.0	0.3	1.3M	1.1

 
CV3695

S215A

Tetrode

S215B

Tetrode

S215VM

Tetrode

220VSG CV1028 VR28

S217

Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	μ
	2.0	0.18	150	150	-0.5	3.0	1	1.7	900

 
 

S23

B4	1	2	3	4	tc
	g2	g1	f	f	a

 
Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.1	150	70	-0	2.8	0.7	0.3M	1.1

 
CV3691 CV3692

S24

Tetrode

S2P20

Pentode

L.5A/220K 7973 CV4097

S2P21

Pentode

L.5A/221K

S410

Tetrode

CV1159 NR23 PM14

S4145B

Camera Tube

S435N

Pentode

S4VA

Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	4.0	1.0	200	80	-1	3.4	1.2	0.35M	3.2

 
MS4B

S4VB

Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	4.0	1.0	200	80	-1	3.4	1.2	0.35M	3.2

 
 

S610

Tetrode

CV3698

S625

Tetrode

S6F12

Pentode

S6F17

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	bp	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	6.3	0.3	200	200	-11	17	3	4

 
CV4040 L.5A/210K

S6F17F

Pentode

CV4041 L.5A/210F L.5A/210G

S6F33

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	g3,a(d)	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	6.3	0.35	300	300	-	-	-	4.0

 
CV4064 CV8079 L.5A/201K M8196

SC1/600

Voltage Stabiliser

SD

Diode

SD20

Diode

SD4

B7	1	2	3	4	5	6	7	tc
	-	g1	g2	h	h	k	a(d)	a

 
Diode Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	gm
	4.0	1.0	200	100	0	3.0

 
 

SD6

B7G	1	2	3	4	5	6	7
	ic	a	h	h	k	s	ic

 
Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.15	150	10.0

 
CV1989

SD61

Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.15	125	5

 
6D1 EA50

SE

Photocell

SG20

Tetrode

SG215

B4	1	2	3	4	tc
	g2	g1	f	f	a

 
Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.15	150	60	-1.5	1.5	0.25	1.5M	0.85

 
CV3702

SG2V

Tetrode

SH342

Thermal Delay Switch

CV0342

SL2-787

Triode

SP-18 Blue

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	ra	gm
	1.6	0.09	120	70,000	0.5

 
 

SP-18 Green

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	μ
	1.8	0.3	120	-6.0	-	17,000	0.88	15

 
 

SP-18 Red

Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	1.8	0.3	100	-	-	10,000	0.9

 
 

SP-18RR

Triode

Triode	Vh	Ah	Va	ra	gm
	2.0	0.3	100	4500	1.4

 
 

SP13

Ct8	1	2	3	4	5	6	7	8	tc
	m	h	h	k	g3	-	g2	a	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	ra	gm
	13.0	0.2	200	100	-	3	1.3M	2.2

 
 

SP1320

Pentode

SP13C

Ct8	1	2	3	4	5	6	7	8	tc
	m	h	h	k	g3	-	g2	a	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	ra	gm
	13.0	0.2	200	100	-	3	1.3M	2.2

 
8D2 C50B CV3804 13SPA

SP141

Pentode

SP181

Pentode

SP2

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
	2.0	0.18	135	135	0	3.0	1.0	0.7M	1.8

 
ARP2 CV1320 Z21 Z22 SPT2 210SPT

SP210

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	60	-0	2.95	0.75	0.6M	1.3

 
210SPT ARP4 CV1049 CV1322 VR49

SP215

Pentode

SP22

Pentode

SP220

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	rk	rl	Pout
	2.0	0.2	150	-12.0	14.0	2,200	3.0	-	6-700	0.36W

 
 

SP2200

Pentode

SP25

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

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	6.3	0.95	250	250	-4.4	40.0	8.5	10.5	4.3	8%

 
KT61

SP4

B5	1	2	3	4	5	tc
	g2	g1	h	h	k	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

 
ARP6 CV1324 CV1468 8A1 AC/SG MSP4 MS/Pen

SP41

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

 
ARP19 CV1335 CV1574 VR65A 5A/207D CV1699 CV1700

SP41/U

Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	4.0	1.0	250	30

 
 

SP42

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

 
ARP20 CV1336 NR79

SP4B

Pentode

CV3703

SP55R

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.0	0.25	120	-4	10.0	3500	1.70

 
 

SP6

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	g3	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	250	-2	10	2.5	1M	7.6

 
6AM6 8D3 CV0138 EF91

SP61

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

 
ARP36 CV0118 CV0260 CV1065 VR65

SPT2

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	60	-0	2.95	0.75	0.6M	1.3

 
210SPT Z22 SP2

SPT4A

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

 
Tetrode

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

 
8A1 AC/SG CV1282 HP4101C AC/HP MSP4 MS/Pen MS4B MSG/HA AC/S2/Pen

SPTA

Pentode

SS215P

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.2	100	-7	4	7000	0.9

 
PM2

ST11

Voltage Stabiliser

CV1070

ST4

Rectifier FW

CV1846

STV150/200

Voltage Stabiliser

CV3709

STV150/30

Voltage Stabiliser

150C2 OA2

STV280/40

Voltage Stabiliser

AW4 CV1068 VS68 G280/1B

STV280/80

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

 
Voltage Stabiliser

Stabiliser	Va	mAa
	280	70

 
CV1069 NS1 VS69 G280/2B

STV280/80A

Voltage Stabiliser

CV3712

STV70/60

Voltage Stabiliser

CV1895

Stentor 4

Triode

SU2150

Rectifier HW

SU2150A

B4	1	2	3	4	tc
	-	-	hk	h	a

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	2.0	1.5	5000	10

 
CV1120 CV1290 NU33 VU120

SU25

Rectifier HW

SU41

Rectifier HW

CV1133 V960 VU133

SU42

Rectifier HW

SU45

B7G	1	2	3	4	5	6	7	tc
	k	-	h	h	-	-	-	a

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	4.0	0.5	2500	30

 
19G6 CV0371

SU61

Rectifier HW

Rectifier	Vh	Ah
	6.3	0.09

 
6X2 EY51 R12 U151 U43

SU750

Rectifier HW

CV0128

SW75Pen

Pentode

ARP75 CV1221 NT38A PT6 PZ1-75

SX-226

Triode