Mini-Museum of Japanese Radios/“ú–{‚̃‰ƒWƒI‚̃~ƒj”Ž•¨ŠÙ

Tube Index (2) American Type Alpha-Numeric Names/

^‹óŠÇ‚̍õˆø-(2) •Ä‘Œ^‰p”Žš–¼

2nd edition (2007.10.5), (2007.11.11)
1st edition (2001.7.10)+(2002.12.18)+(2002.12.28)+(2003.4.19)+(2003.5.17)
HomeTube_Index_20.html

written by Koji HAYASHI, Ibaraki JAPAN


Index/õˆø

2. Alphabetic Name Tubes -American Type and Japanese Origin/‰pŽšŠÇ-•Ä‘Œ^‚Æ“ú–{“ÆŽ©

2A. 1-Letter/1•¶ŽšŠÇ

2B. Japanese Transformerless 1-letter/“ú–{‚̃gƒ‰ƒ“ƒXƒŒƒX—p1•¶ŽšŠÇ

5A. American EIA Alphabetic 1-letter Name tubes/•Ä‘Œ^‰pŽš1•¶ŽšŠÇ

5B. American EIA Alphabetic 2-letter Name tubes/•Ä‘Œ^‰pŽš2•¶ŽšŠÇ

Return to Tube Gallery/^‹óŠÇ“WŽ¦Žº‚É–ß‚é


Table2A. Early-Time 1-Letter Alphabetic American and Japanese Tube/(•Ä‘‚Æ“ú–{‚Ì)‰Šú‚Ì1•¶Žš‰pŽšŠÇ

Table 2A-(A-D).

No.

Name

Outline

Ef

Class

Proto type

Page

Maker

A3

2A3

CH-2A3

ST 4pin

2.5V

Power Triode

-

2A3

-

Direct_heat

-

Shunguang

A3 (J)

UX-2A3

ST 4pin

2.5V

Power Triode

2A3

Radio_tube_13B

Direct_heat

Matsuda

After WWII Matsuda, TEN, Matsushita, NEC, TVC

A3

6A3

ST 4pin

6.3V

Power Triode

-

A3H

2A3H

ST 4pin

2.5V IDH

Radio_tube_13B

Unknown

A3B (J)

UY-6A3B

ST50 5pin

6.3V IDH

Twin Power Triode

6A3

Radio_tube_2_IndMil

Matsuda

A4

1A4P

ST12 4pin

2.0Vdc

Vari-mu Pentode

Radio_tube_35A

RCA

A4 (J)

UX-1A4

ST12 4pin

2.0Vdc

Vari-mu Pentode

1A4P

Radio_tube_35A

A5

2A5

ST14 6pin

2.5V IDH

Power Pentode

-

Radio_tube_3_PenOpt

-

A5 (J)

UZ-2A5, 2A5

ST14 6pin

2.5V IDH

Power Pentode

2A5

Radio_tube_3_PenOpt

Matsuda, Elevam, Toyo

After WWII; Matsuda, DON, Star, Hitachi

A5B (J)

UZ-2A5B

ST

2.5V IDH

Power Pentode

-

Radio_tube_3_PenOpt

(DON)

A5

6A5-G

ST Octal

6.3V IDH

Twin Power Triode

6A3

Radio_tube_13B

Raytheon

A6

1A6

ST

2.0Vdc

Converter

-

Radio_tube_35A

Sylvania

A6

A6B (J)

(UZ) 1A6

(UZ) 1A6B

ST

2.0V dc

Converter

1A6

Radio_tube_35A

Tou

Tou

A6

2A6

ST 6pin

2.5V IDH

Dual Diode Triode

Radio_tube_32_super

-

A6 (J)

UZ-2A6

ST 6pin

2.5V IDH

Dual Diode Triode

Radio_tube_32_super

Matsuda

A6

6A6

ST 7pin

6.3V IDH

Twin Power Triode

53

Radio_tube_32_63IMa

KR

A6 (J)

UT-6A6

ST 7pin

6.3V IDH

Twin Power Triode

UT-53

Radio_tube_32_63IMa

Matsuda

A7

2A7, 6A7

ST 7pin

2.5V IDH 6.3V IDH

Converter

A7 (J)

Ut-2A7, 2A7

Ut-6A7 (BX-6A7), 6A7

ST 7pin

2.5V IDH

6.3V IDH

Converter

2A7

6A7

Radio_tube_32_super

Matsuda, DON

After WWII; Matsuda, Futaba

A8

6A8

Metal

6.3V IDH

Converter

6A7

Radio_Tube_Metal

Radiotron (die)

A8 (J)

US-6A8, MC-812A

Metal

6.3V IDH

Converter

6A8

Radio_Tube_Metal

(Matsuda), (NEC)

B4

1B4P

ST 4pin

2.0Vdc

Pentode

32

Radio_tube_35A

Sylvania, TungSol, Adzam

B4 (J)

UX-1B4

ST 4pin

2.0Vdc

Pentode

1B4P

Radio_tube_35A

B5

1B5/25S

ST 6pin

2.0Vdc

Twin Diode Medium mu Triode

-

Radio_tube_35A

RCA

B7

2B7, 6B7

ST12 7pin

2.5V IDH 6.3V IDH

Diode Pentode

-

Radio_tube_32_super

B7 (J)

Ut-2B7, Ut-6B7, 6B7

ST12 7pin

2.5V IDH 6.3V IDH

Diode Pentode

2B7, 6B7

Radio_tube_32_super

Matsuda

After WWII; Matsuda, NEC

B8

6B8

Metal

6.3V IDH

Twin Diode Pentode

6B7

B8 (J)

US-6B8

Metal

6.3V IDH

Twin Diode Pentode

6B8

Radio_tube_2_Jmetal

Matsuda

C5

6C5

Metal

6.3V IDH

Triode

-

Radio_Tube_Metal

Unknown (die), GE

C5 (J)

US-6C5, TB-818A

Metal

6.3V IDH

Triode

6C5

Radio_tube_2_Jmetal

Matsuda

C6

1C6

ST

2.0Vdc

Converter

1A6

Radio_tube_35A

TungSol

C6B (J)

UZ-1C6B

ST

2.0V dc

Converter

1C6

Radio_tube_35A

Matsuda

C6

6C6

ST12 6pin

6.3V IDH

Pentode

77

Radio_tube_32_super

Haltron

C6 (J)

UZ-6C6, (=MC-670A) 6C6

ST12 6pin

6.3V IDH

Pentode

6C6

Radio_tube_32_super

Matsuda (NEC)

After WWII;

D5

1D5-GP

ST Octal

2.0Vdc

Pentode

1A4

Radio_tube_35A

Philco, RCA

D6

6D6

ST12 6pin

6.3V IDH

Vari-mu Pentode

78

Radio_tube_32_super

United

D6

UZ-6D6, (=MC-671A =RT3), 6D6

ST12 6pin

6.3V IDH

Vari-mu Pentode

6D6

Radio_tube_32_super

Matsuda, (NEC), (Mitsubishi)

After WWII;

D7

1D7G

ST octal

2.0V dc

Converter

1A6

Word Super Airline

Back to TOP

Table 2A-(E-X).

No.

Name

Outline

Ef

Class

Proto type

Page

Maker

E5

6E5

6.3V IDH

Magic Eye

RCA, Sylvania

E5 (J)

EZ-6E5/6E5

E5-M (J)

6E5-M (6M-E5)

E5-MT (J)

6E5-MT (6M-E2)

E5-P (J)

6E5-P (6M-E4)

E5-W (J)

6E5-W (6Z-E1)

E7

1E7G

ST

2.0Vdc

Twin Po Pentode

-

Radio_tube_35A

Philco

F4

1F4

ST14

2.0Vdc

Power Pentode

-

Radio_tube_35A

Sylvania

F4 (J)

UY-1F4

ST14

2.0Vdc

Power Pentode

1F4

Radio_tube_35A

F6

1F6

ST

2.0Vdc

Twin Diode SCO Pentode

Radio_tube_35A

Cunningham

F6

6F6

Metal

6.3V IDH

Power Pentode

42

Radio_Tube_Metal

RCA

F6 (J)

US-6F6, MB-816A

Metal

6.3V IDH

Power Pentode

6F6

F7

6F7

ST 7pin

6.3V IDH

Triode Pentode

-

Radio_tube_32

F7 (J)

Ut-6F7

ST 7pin

6.3V IDH

Triode Pentode

6F7

Radio_tube_32

Matsuda, Kawanishi

F7A (J)

US-6F7A, MC-804A

Metal

6.3V IDH

Triode Pentode

6F7

Radio_tube_2_Jmetal

Matsuda, NEC

G5

6G5

6.3V IDH

Tuning Eye

G5 (J)

EZ-6G5

ST

Matsuda

H4

1H4-G

RCA

H6

1H6-G

ST Octal

2Vdc

Twin Diode Medium mu Triode

1B5/25S

Radio_tube_35A

CBS-Hytron

H6

6H6

6H6-G

Metal

Glass Octal

6.3V IDH

Twin Diode

-

Radio_Tube_Metal

GE

-

H6 (J)

US-6H6, DB-817A

Metal

6.3V IDH

Twin Diode

6H6

(Matsuda), (NEC)

H6A (J)

Kt-6H6A

T 7pin

6.3V IDH

Twin Diode

6H6-G

Radio_tube_32_63IMb

Matsuda

J5

6J5, VT94/6J5

6.3V IDH

Triode

J5 (J)

US-6J5

J6

1J6G

ST

2V dc

Twin Power Triode

19

Radio_tube_35A

Emerson, Sylvania

J7

6J7

Metal

6.3V IDH

Pentode

77

J7 (J)

US-6J7, MC-810A

Metal

6.3V IDH

Pentode

6J7

Radio_tube_2_Jmetal

Matsuda

K7

6K7 / VT86

Metal

6.3V IDH

Vari-mu Pentode

Radio_Tube_Metal

RCA-Cun (die),

RCA-Vic, Radiotron,

Kenrad VT86/6K7

K7 (J)

US-6K7, MC-811A

Metal

6.3V IDH

Vari-mu Pentode

6K7

Radio_tube_2_Jmetal

Matsuda

L7

6L7, 6L7-G

Metal

6.3V IDH

Mixer

L7 (J)

US-6L7

Metal

6.3V IDH

Mixer

6L7

Radio_tube_2_Jmetal

Matsuda

L7G (J)

Ut-6L7G

ST 7pin

6.3V IDH

Mixer

6L7G

Radio_tube_32_63IMb

Matsuda

After WWII; NEC

L6

6L6

Matal

6.3V IDH

Beam Power

L6A

UZ-6L6A

ST 6pin

6.3V IDH

Beam Power

6L6-G

Radio_tube_32_63IMb

Matsuda

P7

6P7-G

ST octal

6.3V IDH

Triode Pentode

6F7

P7G (J)

UG-6P7G

ST octal

6.3V IDH

Triode Pentode

6P7-G

Radio_tube_32_63IMb

Matsuda

Q7

6Q7

Metal

6.3V IDH

Twin Diode Triode

Wards (die)

Q7 (J)

US-6Q7, MC-813A

Metal

U5

6U5/6G5

T 6pin

6.3V IDH

Magic Eye

GE

U5 (J)

6U5/6G5

T 6pin

V

1V

6.3V IDH

Halfwave Rectifier

V (J)

KX-1V

V6

6V6, 6V6Y

Metal

6.3V IDH

Beam Power

-

Radio_Tube_Metal

Unknown

V6 (J)

US-6V6

Metal

6.3V IDH

Beam Power

6V6

Radio_tube_2_Jmetal

Matsuda

Y5

25Y5

ST 6pin

25V IDH

Rectifier Doubler

Radio_tube_33_us

Unknown

Z3

5Z3 /VT-145

ST 4pin

5V

Fullwave Rectifier

Radio_tube_13B

Audio_REC_US

RCA

Z3 (J)

KX-5Z3, 5Z3

ST 4pin

5V

Fullwave Rectifier

Radio_tube_13B

Audio_REC_US

Matsuda, NEC, Matsushita, Futaba,

Z4

5Z4

Timnie oct

Metal

5V IDH

Fullwave Rectifier

Radio_Tube_Metal

RCA (Die)

Z4

84/6Z4

ST 5pin

6.3V

Fullwave Rectifier

84

Radio_tube_32_36to39

National Union

Z5

25Z5

25Z5GT

ST 6pin

25V IDH

Rectifier Doubler

-

Radio_tube_33_us

RCA, Tung-Sol,

Fivre

Z5 (J)

KZ-25Z5

ST 6pin

25V IDH

Rectifier Doubler

25Z5

Radio_tube_33_us

Matsuda

Z7

6Z7G

ST Octal

6.3V

B-class PP amp

RCA

Back to TOP


Table2B. Japanese Transformerless 1-letter/“ú–{‚̃gƒ‰ƒ“ƒXƒŒƒX—p1•¶ŽšŠÇ

Table2B.

No.

Ef

Class

American Type ST

American Type S

Japanese Compatible [RefA]

Japanese Original [RefB]

36,

37,

39

43

25Z5

6.3V IDH

6.3V IDH

6.3V IDH

6.3V IDH

25V/0.3A IDH

SCO Tetrode

Medium mu Triode

RCO Pentode

Power Pentode

Rectifier Doubler

236

237

239

43

25Z5

UY-236 (Tos, Don)

UY-237 (Tos, Don)

-

-

-

UY-36 (elv)

-

UY-39(elv)

UZ-43 (Tos, Don)

KZ-25Z5 (Tos, Don, elv))

77, 78

6.3V IDH

SCO Pentode

RCO Pentode

77

78

-

UZ-77

UZ-78

(Tos), (DON)

B1, B2, B3, B4, B5

IDH

Unknown

UY-36, UY-37, UY-38, UY-39, UZ-25Z5

-

UX-B1, UX-B2, UY-B3 (UY-35), UY-B4, UZ-B5 (Best)

C3, C4, C5

each 25V/ 0.3A IDH

Triode, Tetrode, Pentode

-

UY-25C3, UY-25C4, UY-25C5 (UZ-25A5), KX-25Z5 (HW)

3D, 3K

4R, 4D, 4K

3 tube Total 100V

4 tube Total 100V

Unknown

Unknown

UY-36, UZ-43, UZ-25Z5

UY-36, UY-37, UZ-43, UZ-25Z5

-

TY-3D, TZ-3D, TZ-3K

TY-4R, TY-4D, TZ-4D, TZ-4K (DON)

[RefA]’r’J—,ŽóMŠÇ•¨Œê(15), [RefB](HW)+(DON)“¡Žº‰q, ^‹óŠÇ”¼‘ã‹L‚É‚æ‚é

DON/ƒhƒ“^‹óŠÇ, elv;ƒGƒŒƒoƒ€, HW;HW^‹óŠÇ, Best;ƒxƒXƒg, Tos;“ŒŽÅ

Back to TOP


5A. American EIA Alphabetic 1-letter Name tubes/•Ä‘Œ^‰pŽš1•¶ŽšŠÇ

Table 5D Transmitting Tubes (A to Z)

American

Japanese

B

B

Beam

1B15,

2B29(829B), Toshiba, Fujitsu

2B32(832 np, 832A), JRC

2B33(5833), NEC

2B39,

2B46(6146), RCA, NEC, Toshiba

2B52(6252), NEC

2B94(5894) Toshiba, NEC

C

Triode

2C22(7193), 2C46, 2C53

D

Tetrode

2D21, 3D21B

E

Pentode

2E24, 2E26, 2E30, 2E36

F

F

G

2G21

Gas

2G21SF

4G63A(5563A), 4G93(393A)

K

Rectifier

1K22(2X2A)

P

Pentode

T

Triodde

2T12P

X

2X2A

Back to TOP

Table 5A Receiving Tubes (A-Z)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 10

A

USA EAI

85A1

0A2

20A2

85A2

2A3

3A3

19A3/HY92 audio, radio

31A3/UY41

0A4G

1A4P (np), 1A4T,

3A4 nec, Matsuda

7A4

1A5G,1A5GT (np)

2A5,

3A5 hit

6A5G

30A5/HL94, detail

45A5/UL41

1A6 Sylvania

2A6, 6A6,

7A6

12A6/VT134, 12A6-GTY (np)

21A6/PL81

26A6

1A7G, 1A7GT (np)

2A7, 6A7

7A7

12A7

26A7GT

6A8, 6A8GT, 12A8GT(np)

7A8

8A8, 17A8, 16A8, 32A8

JPN OLD

UX-2A3

UY-6A3B Matsuda

UX-1A4 (np)

UZ-2A5 Matsuda, Star, UZ-2A5B

1A6 Tou, 1A6B Tou

UZ-2A6

UT-6A6

Ut-2A7, Ut-6A7 Matsuda, Ut-6A7

US-6A8 (np)

B

USA

0B2

1B3GT

1B4P Sylvania, 1B4T

3B4, 3B4WA, 3B4/CV2440 /DL98

12B4A

1B5/25S (np)

50B5 USA

7B6

6B8

7B8

8B8

8B10

JPN

UX-1B4

Ut-2B7, Ut-6B7

US-6B8

C

USA

0C2

0C3/VR105

6C4 USA

3C4/DL96

1C5G, 1C5GT (np)

6C5, 6C5GT (np)

7C5

35C5, 50C5

1C6 TungSol

6C6

7C6

26C6

12C8,

6C9, 17C9

JPN

US-6C5, 6C5GT Japan

UZ-1C6B Matsuda

UZ-6C6 Matsuda

D

USA

6D4

12D4

1D5-GP Philco

1299/3D6

6D6

26D6

19D8/UCH81

JPN

UZ-6D6 Matsuda

E

USA

6E5 RCA, Sylvania,

25E5/PL36

1E7G Philco

6E8MG (np)

JPN

EZ-6E5, 6E5D, 6E5M, 6E5MT, 6E5P, 6E5W

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 10

F

USA EIA

1F4 Sylvania

6F5

1F6 (np)

6F6, 6F6G (no sample), 6F6GT (np),

6F7

7F7, 14F7

JPN

UY-1F4 (np)

6F6GT Japan audio

Ut-6F7 Matsuda, Kawanishi,

US-6F7A

G

USA

0G3

1G3GT/1B3GT, 1G3GT/1K3

6G5

6G6G audio

JPN

EZ-6G5

H

USA EIA

1H3/DM90

1H5G (np)

1H6G (np)

6H6, 6H6-GT (np)

JPN

US-6H6, Kt-6H6A

6H6-GT Japan

J

USA EIA

6J4, 6J4WA

6J5, VT94/6J5, 6J5GT, 6J5GT/G

1J6G (np)

6J6, 5J6

6J7, (1620), 6J7G

6J7GT(np),

7J7

12J7GT (np)

6J8G (np)

JPN

US-6J5

US-6J7

K

USA

1K3/1G3GT

6K6, 6K6GT

6K7 RCA-Cun, RCA-Vic, Radiotron, Kenrad VT86/6K7

6K7G

6K7GT/VT86B, 12K7GT (np)

14K7/UCH42

6K8/VT167,

6K8GT, 6K8G (np)

12K8

JPN

6K6GT

US-6K7

L

USA EIA

1L4

6L4

6L6, 6L6G, 6L6GT,

25L6(1632), 25L6GT, 25L6GT/G (np),

35L6GT (np),

50L6GT (np)

6L7, 6L7G (no sample)

14L7/UBC41

32L7GTG (np)

117L7GT/ 117M7GT

12L8GT

JPN

UZ-6L6A

35L6GT/M Matsushita

US-6L7

Ut-6L7G Matsuda

M

USA

1M3/DM70

6M11

N

USA

1N3/DM71

1N5G, 1N5GT (np)

6N7 (VT96)

7N7

6N8/EBF80

JPN

1N5-SF

P

USA

6P5GT

6P7

JPN

UG-6P7G Matsuda

Q

USA

3Q4

1Q5GT, 3Q5GT (np)

6Q7

6Q7G (np), 6Q7GT (np), 12Q7GT (np)

7Q7

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 10

R

USA

34R3/HY81

1R4/1294

5R4GY, 5R4GYA

1R5 USA, Japan,

6R7,

7R7, 14R7

JPN

1R5-SF/1AQ5

S

USA

1S2/DY88

1S4, 3S4

6S4A

1S5

6S8GT (np)

JPN

3S4-SF/3W4

1S5-SF/1AR5

T

USA

1T4

1T5GT (Philco)

19T8/HABC80

6T10

JPN

1T4-SF/1AM4

U

USA

1U4

5U4G, 5U4GB

1U5

6U5/6G5, GE

6U7G

5U8, 6U8, 6U8A

6U10

JPN

1U5SF/1AS5

EZ-6U5/6G5

V

USA

1V

1V2

6V3A

5V4G

6V4 (EZ80)

1V6

6V6, 6V6Y, 6V6GT, 6V6GT/6V6G, 6V6GT/G, 6V6GTA, 12V6GT

JPN

KX-1V

US-6V6

W

USA

3W4/3S4-SF

6W4- GT

35W4 USA, Japan

JPN

X

USA

1X2A, 1X2B

6X4 audio, radio, 6X4/EZ90

6X5GT/G/VT126B, 6X5GT (np),

7X7

6X9/ LCF200

JPN

1K22/2X2A

6X5GT japan

Y

USA

5Y3G (no sample), 5Y3GT (np), 5Y3WGTA

19Y3/PL82

3Y4/DL97

7Y4

25Y5

6Y6G

50Y6GT (np)

Y

JPN

5Y3G

Z

USA

1Z2

5Z3

17Z3/PY81

117Z3

0Z4

5Z4

6Z4/84,

7Z4

35Z4GT (np)

25Z5 Tung-Sol, 25Z5GT Fivre

35Z5GT (np), 35Z5GT/G

25Z6GT (np), 25Z6GT/G (np)

JPN

KZ-5Z3

5Z4GT Japan

KZ-25Z5

35Z5GT/M Matsushita

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5B. American EIA Alphabetic 2-letter Name tubes/•Ä‘Œ^‰pŽš2•¶ŽšŠÇ

Table 5B Receiving Tubes (AB to AZ)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

AB

9AB4 (UC92)

1AB6/DK96

6AB7/1853

6AB8/ECL81

6AB9, 17AB9

AC

US

1AC5/DK92

12AC5/UF41

1AC6/DK92

12AC6

6AC7/1852, 6AC7, 6AC7W, 6AC7/6134

6AC10

JP

6AC7GT Japan,

AD

1AD2

1AD4 (DF62)

6AD4

12AD6 USA, Japan

12AD7

AE

30AE3/PY88

12AE10

AF

6AF3

6AF4A

6AF6G

7AF7

AG

US

6AG5

6AG7, 6AG7/VT247, 6AG7GT

JP

1AG5SF

AH

6AH4GT

1AH5/DAF96

6AH6 Early-time, 6AH6V 6AH6WA

12AH7GT/VT207

AJ

1AJ4/DF96

1AJ5

6AJ5

12AJ6

6AJ6

12AJ7/HCH81

6AJ8/ECH81

AK

6AK5 Early-time, normal, 6AK5W

6AK6

6AK8/EABC80

6AK10

AL

6AL5 USA, 3AL5, 12AL5

6AL11

AM

36AM3, 36AM3A, 36AM3B

1AM4/1T4SF

6AM6

6AM8

AN

6AN4

1AN5/DF97

7AN7/PCC84

6AN8, 5AN8

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

AP

AQ

16AQ3/XY88, 20AQ3A

1AQ5/1R5SF

6AQ5 audio, USA radio, Japan radio 6AQ5A, 5AQ5, 12AQ5 USA

6AQ7

6AQ8/ECC85, 9AQ8/PCC85, 26AQ8/UCC85

AR

5AR4/GZ34

1AR5/1S5-SF

6AR5 audio, radio

6AR8

6AR11, 8AR11

AS

1AS5/1U5-SF

6AS5

6AS6

6AS7G

6AS11

AT

3AT2

6AT6, 12AT6

6AT7, 12AT7/ECC81, 12AT7WA, 12AT7WB

AU

19AU4, 19AU4GTA

6AU5GT

6AU6 USA, japan, 3AU6, 12AU6, 6AU6A, 6AU6LA

7AU7, 12AU7 Early-time, 12AU7A, 12AU7WA

6AU8

AV

6AV6 USA, Japan, inside view 12AV6 USA, Japan, 3AV6

12AV7

AW

6AW8, 6AW8A, 8AW8A

AX

6AX4GT, 6AX4GTA

12AX4-GTA

12AX7 Early-time, 12AX7/ECC83, 12AX7A

AY

17AY3A

12AY7

AZ

5AZ4

12AZ7, 12AZ7A

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Table 5B Receiving Tubes (BA to BZ)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

BA

6BA6 USA, Japan, Inside view, 12BA6 USA, Japan

BC

6BC7

4BC8

BD

6BD6 USA, Japan, 12BD6

15BD11

BE

17BE3

6BE6 USA, Japan, 12BE6 USA, Japan, Inside view, 3BE6

6BE7 (EQ80)

BF

6BF6 USA, 12BF6

12BF11

BG

6BG6G, 6BG6GA

BH

6BH6

12BH7A

6BH11

BJ

6BJ6

BK

6BK4, 6BK4A, 6BK4B, 6BK4C

6BK5

6BK7B

BL

6BL8

BM

6BM8/ECL82, 50BM8

8BM11

BN

6BN5/EL85

6BN6, 3BN6

6BN8

6BN11

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

BQ

6BQ5/EL84, 8BQ5

6BQ6GT, 6BQ6GA,

6BQ6GTA, 6BQ6GTB, 6BQ6GTB/6CU6,

12BQ6GTA 12BQ6GTB, 25BQ6GTB, 25BQ6GTB/25CU6

6BQ7A, 4BQ7A

8BQ11

BR

6BR3/6RK19, 12BR3/12RK19, 17BR3/17R-K19

6BR5 (EM80)

12BR7

BS

3BS2 A

6BS3A

BT

12BT3

6BT4/EZ40

11BT11

BU

12BV7

8BU11

BV

BW

6BW11

BX

6BX6

6BX7GT

BY

12BY3

6BY5GA

12BY7A

BZ

6BZ6, 3BZ6

6BZ7

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Table 5B Receiving Tubes (CA to EZ)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

CA

6CA4/EZ81

6CA7/EL34

CB

6CB5, 6CB5A

6CB6, 3CB6, 6CB6A

CD

6CD6, 6CD6GA, 26CD6GB

6CD7/EM34

CG

6CG3, 19CG3, 25CG3, 6CG3/6CF3/6CD3

6CG7

6CG8, 5CG8

CH

6CH3

CJ

6CJ3/6DW4B

6CJ5/EF41

CK

6CK4

6CK5/EL41

CL

6CL6

5CL8A

CM

6CM4

6CM5/EL36

6CM7

CN

12CN5

EL38/6CN6

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

CR

12CR6

CS

6CS7

CT

12CT5

CU

5CU4

12CU5, 17CU5

6CU6

6CU7/ECH42

CV

3CV3

6CV7/EBC41

CW

@

@

6CW4

6CW5/EL86, 8CW5, 10CW5, 15CW5/PL84, 30CW5

6CW7/ECC84

CX

12CX6

8CX8

CY

6CY5

CZ

5CZ5

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

DA

6DA5/EM81

6DA6/EF89

DE

6DE7, 10DE7

DG

3DG4

6DG6

DJ

6DJ8/ECC88, 7DJ8

DK

6DK6, 3DK6

DN

26DN5

DQ

6DQ5, 26DQ5

12DQ6A, 6DQ6B

15DQ8/PCL84

DR

6DR7

DT

6DT6, 3DT6, 6DT6A, 4DT6A

12DT8

DU

12DU7

DW

6DW4A, 12DW4A, 6DW4B

DX

6DX8, 10DX8

DY

6DY5/EL82

12DY8

DZ

6DZ4

12DZ6

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

EA

6EA5

5EA8

EB

8EB8, 10EB8/10GN8

EC

42EC4/PY500

ED

12ED5

EG

10EG7

EH

50EH5

6EH7, 3EH7, 4EH7

EJ

6EJ7, 3EJ7, 4EJ7

EM

6EM5, 8EM5

12EM6

6EM7

EW

6EW6, 4EW6

6EW7, 10EW7

17EW8/HCC85

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Table 5B Receiving Tubes (FA to HZ)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

FD

13FD7

FG

6FG5

FM

12FM6

6FM7, 15FM7

FQ

6FQ7, 8FQ7, 12FQ7

FV

6FV5, 35FV5/PL136

FW

6FW5

18FW6A

FX

12FX5

FY

6FY7

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

GB

6GB5/EL500, 18GB5/LL500, 27GB5/PL500

GC

6GC5

GD

34GD5

GF

6GF7A, 10GF7A

GH

5GH8, 6GH8, 5GH8A, 6GH8A, 9GH8A

GK

2GK5, 3GK5, 4GK5, 6GK5

6GK6, 10GK6

GM

6GM6, 4GM6

ECC86/ 6GM8

GN

12GN7A/12HG7A

8GN8

GS

4GS7, 5GS7, 6GS7, 7GS7

GT

17GT5

GU

6GU5

6GU7

GV

17GV5

10GV8/LCL85, 18GV8

GW

6GW8/ECL86, 14GW8/PCL86

GX

4GX7

GY

16GY5

6GY6

33GY7, 33GY7A

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

HA

2HA5, 3HA5, 6HA5

HB

6HB7

HE

6HE5

33HE7, 38HE7

HG

12HG7

7HG8

HJ

6HJ5

HM

2HM5/2HA5

HQ

6HQ5

HS

19HS6

HU

26HU5

HV

6HV5A

HZ

6HZ6, 5HZ6

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Table 5B Receiving Tubes (JA-MZ)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

JA

6JA5

JB

6JB5, 6JB5/6HE5

JC

6JC5, 6JC5/6JB5/6HE5

4JC6

JD

4JD6

JE

6JE6A, 6JE6C

JH

6JH5

6JH6

JM

6JM6

JN

6JN6, 17JN6

JQ

12JQ6

JS

6JS6A, 21JS6A, 23JS6A, 31JS6A, 6JS6B, 6JS6C

JU

6JU8, 6JU8A

JV

6JV8, 8JV8

JW

9JW8

JX

6JX8

JY

50JY6

10JY8

JZ

21JZ6

6JZ8, 12JZ8, 13JZ8, 17JZ8

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

KA

6KA8

KD

6KD6, 30KD6, 40KD6

KG

6KG6/EL505, 6KG6A/EL509, 40KG6A/PL509

KM

6KM6

KN

4KN8/4RHH8

KQ

21KQ6/LL521, 29KQ6, 29KQ6C

KR

6KR8, 10KR8

KV

17KV6A

KX

9KX6

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

LA

1LA4 (np)

1LA6 (np)

LB

6LB6

LC

1LC6 (p)

6LC8

LE

29LE6

LF

3LF4 (np)

6LF6

6LF8

LG

LH

1LH4 (p)

LN

1LN5 (p)

6LN8

LQ

6LQ6

LR

6LR8, 21LR8

LS

8LS6

LU

6LU8, 16LU8, 21LU8

LX

6LX8

LY

11LY6

6LT-06

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

MD

6MD6

6MD8

MF

15MF8

MS

11MS8

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Table 5B Receiving Tubes (NA-RZ)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

NA to NZ

PA to PZ

QA to QZ

RA to RZ

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Table 5B Receiving Tubes (SA to SZ)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

SA

US

6SA7, 6SA7GT, 6SA7GT/G, 12SA7, 12SA7Y, 12SA7GT/G

JP

6SA7GT, Japan,12SA7GT/M

SB

US

6SB7Y

SC

US

6SC7

SD

US

JP

6SD7GT Japan

SF

US

6SF5, 6SF5-GT (np)

SG

US

VT209/12SG7, 12SG7Y

JP

12SG7GT Japan

SH

US

6SH7, 12SH7/VT288

JP

6SH7GT Japan

SJ

US

6SJ7, 6SJ7/VT116, 6SJ7Y, 6SJ7GT, 6SJ7GT/G, 12SJ7GT

JP

6SJ7GT, Japan,

SK

US

6SK7, VT117, 6SK7Y, 6SK7GT, 6SK7GT/G, 12SK7/VT131, 12SK7GT

JP

6SK7GT/G ,12SK7GT Japan, 12SK7GT/M

SL

US

6SL7GT, 12SL7GT/G (np)

SN

US

6SN7GT (np), 6SN7/VT231, 6SN7GTB

SQ

US

6SQ7, 6SQ7GT, 12SQ7, 12SQ7GT 12SQ7GT/G,

JP

6SQ7GT, 12SQ7GT Japan,12SQ7GT/M

SR

US

6SR7/VT233 12SR7/VT133

SS

US

6SS7

SW

US

12SW7

SY

US

12SY7

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Table 5B Receiving Tubes (TA-ZY)

2nd Numeric

Alpha

1 to 2

3

4

5

6

7

8 to 11

TA to TZ

UA to UZ

VA to VZ

WA to WZ

XA to XZ

YA to YZ

ZA to ZY

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(c)1998-2001-2002 Koji HAYASHI All rights are reserved.