L2

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.1	150	-3.8	4.0	12,500	1.5

 
210LF AR9 CV1307 CV3531 L21 VR21 VR22

L21

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 AR9 CV1307 CV3532 L2 VR21

L210

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout
	2.0	0.1	150	-6	4.2	7,500	1.6	0.06W

 
210LF CV1027 VR27

L21DD

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	1.7	28,600	1.4

 
AR10 CV1308 HD24 TDD2A

L22DD

Double Diode Triode

CV3533

L30

Triode

CV3534

L4

Triode

L410

Triode

410LF CV1152 NR15A PM4DX

L610

Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout
	6.0	0.1	150	-9	9.5	3,500	2.3	0.07W

 
CV3538

L63

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

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-8	9.0	7,700	2.6

 
6C5 6J5G CV1067 CV1932 VR67 VT154

L71

Triode

L77

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

 
Triode

Triode	Vh	Ah	Va	mAa	gm	Pdriv	Pout	Pdiss	freq	f.max
	6.3	0.15	250	10.5	2.2	0.35W	5.5W	5W	70	150

 
6C4 CV0133 EC90 V741 CV1932

LD210

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	3.0	14,000	1.3

 
 

LF

Triode

LG210

Triode

LL4

B5	1	2	3	4	5
	a	g	h	h	k

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	4.0	1.0	200	-10	40	2000	5.0

 
41MXP ACP1 O54V PA1

LN119

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

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pdiss	Pout	D
	50	0.1	250	250	-22.5	28	5.5	25,000	5.0	7.0W	3.4W	10%

 
10PL12 50BM8 UCL82

LN152

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	200	200	-8	17.5	3.3	25k	5

 
63TP 6AB8 ECL80

LN309

B9A	1	2	3	4	5	6	7	8	9
	at	gt	kt	h	h	ap	kp,g3	g2	g1

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAs	ra	gm	Pdiss	Pout
	12.6	0.3	170	170	-9.5,mAa_30	5	53k	5.5	5.4W	2.2W

 
CV5144 PCL83

LN319

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	13	0.3	170	180	-9.6	28	6.5	6.5	2.0W	7%

 
30PL1 13GC8 PCL801

LP2

B4	1	2	3	4
	a	g	f	f

 
Triode

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

 
AR6 CV0548 CV1162 CV1166 CV1304 NR42 VR22 220PA 230C P12-250

LP220

Triode

LP 4

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

 
 

LP4

B4	1	2	3	4
	a	g	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout	D
	4.0	1.0	300	-50	50	830	6.0	4.5	4%

 
4XP AC044 CV1168 NR44 P12/250 PP3/250 PX4

LS2

Triode

LS5

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	μ
	4.5	0.8	400	-20	-	6,000	0.83	5

 
CV1637

LS5A

Triode

Triode	Vh	Ah	Pdiss
	4.5	0.8	10W

 
 

LS5B

Triode

Triode	Vh	Ah	Va	Vg	ra	gm	μ
	4.5	0.8	60-400	-3	30k	0.83	25

 
 

LS6A

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.0	1.6	400	-93	63.0	1,300	2.3

 
CV3541

LS9B

B4	1	2	3	4
	a	g1	f	f

 
Triode

LZ319

B9A	1	2	3	4	5	6	7	8	9
	at	g1	g2	h	h	ap	kp,s,g3	kt	gt

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	9	0.3	170	170	-5.5	5.2	1.5	0.87M	2.1

 
30C1 9A8 LZ329 PCF80

LZ329

B9A	1	2	3	4	5	6	7	8	9
	at	g1	g2	h	h	ap	kp,s,g3	kt	gt

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	9	0.3	170	170	-5.5	5.2	1.5	0.87M	2.1

 
30C1 9A8 LZ319 PCF80

LZ339

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	ra	gm
	9.0	0.3	164	138	7.6	2.3	0.6M	3.3

 
30C15 PCF800 9EN7 LZ319