6/30L2

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g1(2)	k(2)	h	h	a(1)	g1(1)	k(1)	s

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	200	-7.9	10.0	5.3k	3.4

 
6GA8 B729 ECC804

60

Tuning Indicator

CV1906

6A3

UX4	1	2	3	4
	f+	a	g	f-

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout
	6.3	1.0	250	-45	60	800	5.25	3.2W

 
CV0730

6A6

UX7	1	2	3	4	5	6	7
	h	a(2)	g1(2)	k	g1(1)	a(1)	h

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.8	250	-5	35	22,600	1.55

 
CV1867

6A7

UX7	1	2	3	4	5	6	7	tc
	h	a	g3,g5	g2	g1	k	h	g4

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-3	3.5	2.7	0.36M	0.55

 
CV1870

6A7E

UX7	1	2	3	4	5	6	7	tc
	h	a	g3,g5	g2	g1	k	h	g4

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-3	3.5	2.7	0.36M	0.55

 
 

6A8

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g3,g5	g1	g2	h	k	g4

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-3	5	2.7	0.3M	0.49

 
CV0579 X63

6A8G

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g3,g5	g1	g2	h	k	g4

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-3	5	2.7	0.3M	0.49

 
CV0578 X63

6A8GT

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g3,g5	g1	g2	h	k	g4

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-3	3.5	2.7	0.36M	0.55

 
CV0580

6AB4

B7G	1	2	3	4	5	6	7
	a	s	f	f	-	g1	k

 
Triode

Pentode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.15	250	-2.0	10.0	11,000	5.5

 
EC92

6AB5/6N5

Tuning Indicator

CV0843

6AB7

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.45	300	200	-3	12.5	3.2	0.7M	5.0

 
1853 6AB7/1853 CV0661 CV1873

6AB7/1853

Triode

6AB7 CV1873

6AB8

B9A	1	2	3	4	5	6	7	8	9
	at	gt	k,s	h	h	a	g3	g2	g1

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	170	170	-6.7	15.0	2.8	150k	3.2

 
63TP ECL80 LN152

6AC5

Triode

6AC5G

Triode

CV0844

6AC5GT

Triode

CV0845

6AC7

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	rk	ra	gm
	6.3	0.45	300	150	-2	10	2.5	160	1M	9

 
1852 6AJ7 CV0660 CV0747 CV0846 CV0849

6AC7W

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	rk	ra	gm
	6.3	0.45	300	150	-2	10	2.5	160	1M	9

 
CV3924

6AD7G

Triode Pentode

CV1878

6AF4

Triode

CV5036

6AF4A

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

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.225	80	-2.4	16.0	2,270	6.6

 
CV5074

6AF6G

Thyratron

CV0847

6AG5

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

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	150	-1.8	7	2	0.8M	5

 
CV0848

6AG6G

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

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	6.3	0.95	250	250	-4.4	40	8.5	10.5	4.3W	8%

 
CV1438 EL33 KT61

6AG7

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	6.3	0.65	300	150	-3	30	7	130K	11	3W	7%

 
CV0366 CV1882

6AG7Y

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	6.3	0.65	300	150	-3	30	7	130K	11	3W	7%

 
CV3978

6AH6

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

 
Beam Tetrode

Pentode	Vh	Ah	Va	mAa	ra	gm
	6.3	0.45	150	12.5	3600	11

 
CV2521

6AH7

Pentode

6AK7 CV1784

6AJ7

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.45	300	150	-2	10	2.5	1M	9

 
6AC7 CV0747 CV0849

6AJ8

B9A	1	2	3	4	5	6	7	8	9
	g2-g4	g1	k-g5-s	h	h	a	g1	a(t)	g(t)

 
Triode Heptode

Triode	Vh	Ah	Va	mAa
	6.3	0.3	100	13

 
6C12 CV2128 ECH81 X719

6AK5

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.175	180	120	-2	7.2	2.4	0.7M	5.1

 
CV0850 DP61 EF95 PM05

6AK5W

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.175	180	120	-2	7.2	2.4	0.7M	5.1

 
CV2877

6AK6

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.15	180	180	-9	15.0	2.5	200,000	2.3

 
CV1762

6AK7

Pentode

6AH7 CV1784

6AK8

B9A	1	2	3	4	5	6	7	8	9
	a(d3)	a(d2)	k(d2),s	h	h	a(d1)	k	g	a

 
Triple Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.45	100	-1	0.8	54,000	1.45

 
6LD12 EABC80 DH719 6T8

6AL5

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

 
Double Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.3	150	9

 
5726 6D2 CV0140 CV0283 D77 DD6 EB91 D152 EAA91

6AL5W

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

 
Double Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.3	150	9

 
CV2882

6AL7GT

Tuning Indicator

CV3707

6AM4

B9A	1	2	3	4	5	6	7	8	9
	g1	k	g1	g1	a	g1	h	h	g1

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	6.3	0.225	200	-1	10	9.8

 
CV5073

6AM5

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout
	6.3	0.2	250	250	-13.8	16	2.4	130k	2.6	1.4W

 
CV0136 EL91 N77 V887 N144 7D9 6P17 16A

6AM6

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

 
6F12 8D3 CV0138 EF91 HP6 Z77 5A/160K PM07 SP6 5A/160H

6AN4

Triode

CV3989

6AN5

Tetrode

CV2854

6AN8

B9A	1	2	3	4	5	6	7	8	9
	a(t)	g1(t)	k(t)	h	h	a(p)	g2(p)	g1(p)	ks(p)

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	ra	rk	gm
	6.3	0.3	200	150	9.5	2.8	300k	180	6.2

 
 

6AQ4

B7G	1	2	3	4	5	6	7
	g	k	h	h	k	g	a

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-1.5	10	12k	8.5

 
6L34 CV0417 EC91 M8099

6AQ5

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

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	ra	rk	rl	gm	Pout
	6.3	0.45	250	250	-12.5	45	52,000	240	5,000	4.1	4.5W

 
CV1862 EL90 N727 BPM04 EL90/W727

6AQ5W

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

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	gm	Pout
	6.3	0.45	250	250	-12.5	45	4.1	4.5W

 
CV2883

6AQ6

Double Diode Triode

CV2937

6AQ8

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g(2)	k(2)	h	h	a(1)	g(1)	k(1)	s

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.435	250	-2.3	10	9700	5.9

 
6L12 B719 ECC85

6AR6

Tetrode

CV3613

6AR8

B9A	1	2	3	4	5	6	7	8	9
	d2	d1	g3	h	h	g1	k	a2	a1

 
Gated Beam Device

Pentode	Vh	Ah	Va	Vs	Vg	mAa	gm
	6.3	0.3	300	300	0	30.0	4.0

 
 

6AS6

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.175	130	120	-2	5.2	3.5	110k	3.2

 
CV2522 6F33 5A/201K

6AS6W

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.175	130	120	-2	5.2	3.5	110k	3.2

 
CV2884

6AS7G

IO	1	2	3	4	5	6	7
	g1(2)	a(2)	k(2)	g1(1)	a(1)	k(1)	h

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	6.3	2.5	135	-31.5	125,ra_280	7.5

 
A1834 CV2523 EI834

6AT6

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a(d2)	a(d1)	a

 
Double Diode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-3	1.0	58,000	1.2

 
CV0452 DH77 EBC90

6AU4GTA

IO	1	2	3	4	5	6	7	8
	-	ic	k	-	a	-	h	h

 
Rectifier HW

Rectifier	Vh	Ah
	6.3	1.8

 
 

6AU5GT

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

 
Beam Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	1.25	550	200	-45	110	-	6,000	5.6

 
 

6AU6

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	150	-1	10.6	4.3	1.0M	5.2

 
CV2524 EF94

6AU6WA

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	150	-1	10.6	4.3	1.0M	5.2

 
CV4023

6AU7

Triode

CV5052

6AU8

B9A	1	2	3	4	5	6	7	8	9
	k	g1(t)	a(t)	h	h	k,g3,s	g1	g2	a

 
Triode Pentode

Pentode	Vh	Ah
	6.3	0.6

 
 

6AV5GA

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	6.3	1.2	250	150	-22.5	55	2.1	5.8

 
 

6AV6

B7G	1	2	3	4	5	6
	g1	k	h	h	a(d2)	a(d1)

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-2	1.2	62,500	1.6

 
CV2526 EBC91 EB691

6B4G

IO	1	2	3	4	5	6	7	8
	-	f+	a	-	g	-	f-	-

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout
	6.3	1.0	250	-45	60	800	5.25	3.2W D_5%

 
CV0851

6B5

Double Triode

CV1885

6B6G

Double Triode

CV1887

6B7

UX7	1	2	3	4	5	6	7	tc
	h	a	g2	a(d2)	a(d1)	k	h	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	125	-3	10	2.3	0.6M	1.33

 
CV1891

6B7G

UX7	1	2	3	4	5	6	7	tc
	h	a	g2	a(d2)	a(d1)	k	h	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	125	-3	10	2.3	0.6M	1.33

 
CV1890

6B8

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	a(d2)	a(d1)	g2	h	k	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	125	-3	10	2.3	0.6M	1.33

 
CV1894 VT93

6B8G

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	a(d2)	a(d1)	g2	h	k	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	125	-3	9	2.3	0.6M	1.12

 
CV1893

6B8GT

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	a(d2)	a(d1)	g2	h	k	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	125	-3	10	2.3	0.6M	1.33

 
 

6BA6

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-1.0	11.0	4.2	1.5M	4.4

 
CV0454 EF93 PM04 W727

6BA6W

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-1.0	11.0	4.2	1.5M	4.4

 
CV5037

6BA7

Heptode

CV2527

6BC4

Triode

CV5038

6BD7A

Double Diode Triode

6LD13 EBC81

6BE6

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	g2-g4	g3

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Vosc
	6.3	0.3	250	100	-1.5	3	7.1	1M	0.475	10

 
CV0453 EK90 HM04 X727 X77

6BF7

Rectifier FW

CV3894

6BG6G

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

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	mAa	mAs
	6.3	0.9	700	350	70	6

 
 

6BH6

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.15	250	150	-1	7.4	2.9	1.4M	4.6

 
CV3908

6BJ6

B8A	1	2	3	4	5	6	7
	g1	k	h	h	a	g2	g3

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.15	250	100	-1	9.2	3.3	1.3M	3.8

 
CV3909

6BK4

Voltage Stabiliser

6BK8

B9A	1	2	3	4	5	6	7	8	9
	g2	s	k	h	h	a	s	g3	g1

 
Pentode

Pentode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.2	250	-5	4	16k	2

 
6267 EF86

6BL7

Double Triode

CV5039

6BL8

B9A	1	2	3	4	5	6	7	8	9
	a(t)	g1	g2	h	h	a	k-s-g3	k(t)	g(t)

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.43	250	180	-5.8	5.7	1.4	1.5M	2.1

 
6C16 CV5215 ECF80

6BM6

Klystron

Klystron	Vh	Ah	Va	mAa
	6.3	0.65	350	29

 
CV3615

6BM6A

Velocity Modulated Valve

CV3939

6BM8

B9A	1	2	3	4	5	6	7	8	9
	g(t)	k(p),G3,S	g1	h	h	a(p)	g2	k(t)	a(t)

 
Triode Pentode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	gm
	6.3	0.78	200	200	-16	35	6.4

 
6PL12 ECL82

6BN5

B9A	1	2	3	4	5	6	7	8	9
	g1	g1	k	h	h	g3	a	g3	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	6.3	0.2	225	225	-10.8	26	41	90k	3.2	2.8W	12%

 
CV3526 EL85

6BN6

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs
	6.3	0.3	80	60	-1.3	0.23	4.5

 
CV3616

6BQ5

B9A	1	2	3	4	5	6	7	8	9
	ic	g1	k-g3	h	h	ic	a	ic	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	Pdiss
	6.3	0.76	250	250	-7.3	48	5.5	6.7	2.2	12W

 
6P15 CV2975 EL84 N709

6BQ6G/GT

Tetrode

CV5040

6BQ7A

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g(2)	k(2)	h	h	a(1)	g(1)	k(1)	s

 
Double Triode

Triode	Vh	Ah	Va	mAa	gm
	6.3	0.4	150	9	6.4

 
CV5365

6BR5

B9A	1	2	3	4	5	6	7	8	9
	g	k,g	ic	h	h	ic	a	ic	t

 
Tuning Indicator

CRT	Vh	Ah	Va	mAa
	6.3	0.3	250	2.3

 
65ME CV1352 EM80

6BR6

Velocity Modulated Valve

CV3614

6BR7

B9A	1	2	3	4	5	6	7	8	9
	-	g1	k	h	h	s	a	g2	g3

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.15	250	100	-3	2.1	0.6	2.3M	1.25

 
8D8 CV2135

6BR8

Triode Pentode

6BS7

B9A	1	2	3	4	5	6	7	8	9	tc
	ic	ic	k	h	h	s	a	g2	g3	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	gm
	6.3	0.15	250	100	-3