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Directly Interchangeable TubesNOTE: Tube5 in the "Tube Number" column are directly replaceable with tubes in the "Reploce With" column.The reverse, however, will not be a correct replacement on many tube types.Replacements shown for many older tube types are the newer more reliable industrial equivalents. Many of thesewill be listed only in the catalog of Allied Radio's industrial subsidiary, Allied Electronics Corp., but may bepurchased from Allied Radio. Prices on request.

Tube Replace Tube Replace Tube ReplaceNumber with Number with Number with

OA2 16073 lAX2 \!H2 lLM lLME6626 /lS2A lLA6 lLC6

lLC5 lLN5OA3 VR75

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AU3 lLC6 lLA6OM 1267 IG3GT lLE3 lLF3

fB2WAIG3GT/IB3GT lLF3 lLE3

IB3GT f'GT lLN5 lLC5OB2 6074 lK3GT 1M3 IN3

6627 IN2 IM5 lK5OB3 VR90 IN2A

fN2AOC3 VR105 rM IN2 lAU3003 VR150 IMP lJ3AOY4 OY4G IMT

fN2IB4 ' IB4POZ4 11003 fB4T

IN2A IAU3OZ4A 32 lJ3A

fA4P 34 IN3 1M3IMT 951 IN5 IP5IB4 IB5 25 IP5 IN5IB4P lC4 lK4 lQ5 lC5

1MfB4T

lC5 lQ5 lR5SF lAQ532 lC8 lE8

lS2 ~lS2A34 105 lE5 IH2951 ID8 IB8

10N5 IU5 lS6 IT6lA5 IT5 lE4 IG4

fAF4IAC5 IV5 lE5 ID5 IT4SF lAJ4lA05 lW5 lE8 lC8 lAM4

fAJ4

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AU3 ITS lA5lAF4 lAM4 IB3GT lT6 lS6

IT4SF IG3GT/IB3GT IU4 5910IG3GT f'GT IU5 IDN5

lAF5 ~lAH5 lK3GT IU5SF lAS5lAR5 IN2 IV 6Z3

~2E41IN2A IV5 lAC5

lAG5 2E42 IG4 lE4 lW5 lA05IG5 lJ5

lX2 11X2AlAH5 11AF5 lX2BlAR5 fAU3IB3GT 2A3 ~2A3H

fAF4 IG3GT/IB3GT 5930lAJ4 lAM4 lJ3GT

fK3GT 2A7IT4SF IN22A7S

fAF4IN2A 2AF4 ~2AF4A

lAM4 lAJ4 lJ5 IG52AF4B

IT4SF 2AV2 2BA2fAU3 2AZ2 2BJ2

lAQ5 lR5SF IB3GT 2B7S 2B7

~lAF5IG3GT 2BA2 2AV2

lAR5 lK3GT (3GT/IB3GT 2CW4 20S4lAH5 lJ3GTIN2 2CY5 ~2EA5

lAS5 IU5SF IN2A 2EV5

lAU3 pN2 lK4 lC4 20S4 2CW4IN2A lK5 IM5 2EA5 2EV5

Directly Interchangeable TubesNOTE: Tubes in the uTube Number" column are directly replaceable with tubes in the uReplace With" column.The reverse, however, will not be a correct replacement on many tube types.Replacements shown for many older tube types are the newer more reliable industrial equivalents. Many of thesewill be listed only in the catalog of Allied Radio's industrial subsidiary, Allied Electronics Corp., but may bepurchased from Allied Radio. Prices on request.

Tube Replace

ITube Replace Tube Replace

Number with Number with Number with

OA2 {6073 lAX2 I1H2 lLM 1LME6626 /lS2A lLA6 lLC6

lLC5 lLN5OA3 VR75

f

AU3 lLC6 lLA6OM 1267 lG3GT lLE3 lLF3

fB2WAlG3GT/lB3GT lLF3 lLE3

lB3GT (3GT lLN5 lLC5OB2 6074 lK3GT 1M3 lN36627 lN2 lM5 lK5OB3 VR90 lN2A

fN2AOC3 VR105

rM lN2 lAU3

003 VR150 IMP 1J3AOY4 OY4G lMT

fN2lB4 ' lB4POZ4 11003 fB4T

lN2A lAU3OZ4A 32 1J3A

fA4P 34 lN3 1M3lMT 951 lN5 lP5lB4 lB5 25 lP5 lN5lB4P lC4 lK4 lQ5 lC5

1MfB4T

lC5 lQ5 lR5SF lAQ532 lC8 lE8 { lS2A34 ID5 lE5 lS2 lH2951 108 lB8

10N5 IU5 lS6 lT6lA5 IT5 lE4 lG4

fAF4lAC5 lV5 lE5 ID5 IT4SF lAJ4lA05 lW5 lE8 lC8 lAM4

fAJ4 fAU3 ITS lA5lAF4 lAM4 lB3GT lT6 lS6

IT4SF lG3GT/lB3GT IU4 5910lG3GT (3GT lU5 ION5

lAF5 { lAH5 lK3GT IU5SF lAS5lAR5 lN2 IV 6Z3~2E4l

lN2A IV5 lAC5lAG5 2E42 lG4 lE4 lW5 lA05

{ lAF5lG5 1J5

1lX2AlAH5 lX2 lX2BlAR5fAU3IB3GT 2A3 ~2A3H

fAF4 lG3GT/lB3GT 5930lAJ4 lAM4 1J3GT

fK3GTIT4SF lN22A7 2A7S

fAF4lN2A 2AF4 ~2AF4A

lAM4 lAJ4 U5 lG52AF4B

lT4SFfAU3

2AV2 2BA22AZ2 2BJ2

lAQ5 lR5SF lB3GT 2B7S 2B7~lAF5

lG3GT 2BA2 2AV2lAR5 lK3GT (3GT/lB3GT 2CW4 20S4lAH5 1J3GT

lN2 2CY5 {2EA5lAS5 IU5SF lN2A 2EV5

lAU3 pN2 lK4 lC4 20S4 2CW4lN2A lK5 lM5 2EA5 2EV5


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2FY5 3FY53B2 PA3 3EV52EV5 2EA5 3AW3 3EA5

2E30 581213ES52E31 2E32 3B5 pC5 3FQ52E32 2E31 3Q5 3FH5 3FQ5A2E35 2E36 3B7 1291 3GK5

2E36 2E352E41 2E42 3BA6 3AU6

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pBY63GK5

fES53BE6 3CS6 3FS5 3GU5

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2GK5 12FQ5 3C4 3E5 3HK5 3HM52FQ5A 3HQ5

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3AW3 3HM6 3HT6fHK52HA5 2HM5

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3CE5 3BC52HK5 2HM5 13BU82HQ5

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fHA5 3DK6 3KF82HM5 2HK5

13BE6 3HT6 3HM62HQ5 3CS6 3BY6

fHA5 13BU8pEA5 3BU8A2HQ5 2HK5 3CY5 3EV5 3KF8 3GS82HM5 3HS8

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3EA5 3EV53AF4A 3AF4B 3EH7 3EJ7 3S4SF pW43AU6 3BAG 3EJ7 3EH7 3Z4


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fBC84GJ7 4GX7 5AS4

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fGS84GX7 4GJ7

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4HQ5fCB6 5BR8 5FV8

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fBC84HQ5 ~4HA5 5BZ7

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5BK7A 5Z4

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6AD4 57195719A j6DM4fAS4 5898 6DM4A5AS4A 6AS4 6DQ4

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6BT6 6AX8 6GH8A 6BA8A 6AU8A6066 fLM8 rAW86U8 6AW8A

6AU4GT 6AU4GTA 6U8A 6BH86AU5GT 6FW5 fAY3A ~6AG5

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fAUE6DA4 fBJ6A6AX4 {'DAlA 6AU6A 6BJ6 6662

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fAT66DQ4 f749 6BK6 6AV66DT4 6660 6BT67496

fAX4GTB 7543 fBL7GTA6DA4 fBA8A

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Tube Replace Tube Replace Tube ReplaceN��mber with Number with Number with

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6HS8 1223f189 6KF8 77006BQ5 7189A7320 j6BU8 6CA5 6EH5

6BU8A 6GS86BQ6GTA 6HS8 ~ 6CB5A

) 6BQ6GTB 6KF8 6CB5 6Cl56BQ6GTB/6CU6

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6BX6 ,,6BY7 6DC6

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6DK66BS8 6BX7GT 6Bl7GTA 6HQ6

6BQ7 6BX8 6DN7 6676(6Bll 77326Bl8 fBC86HK8 6BQ7 6CD6G ~ 6DN6X155 6BQ7A 6EX6

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6BY7 6BX66BR8A 6FV8A 6CG3 6CD36JN8

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6CH6 7499

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fBX8 66776HK8 6BllX155 6HK8 6CQ4 6DE4

fAT6X155 6CQ6 6065

6BT6 6AV6 6C4 6100 6CS5 6DW56BK6

~ 6J5 ~ 6BE66BU6 6BF6 6C5 615 6CS6 6BY6


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6CY5 7717 6EX6 6FD7 6FR78113 6DQ4 6DT4 6FH5 6ES5

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12BH7 ~12BH7A

em 12AV6A 12AT6A 691310KR8 fAT6llLQ8 10LB8 f2AX4GTA 12AT6A10LW8 12AX4GTB 12BK6 12AV6llKV8 12D4 12AV6A12AX4GT 12D4A 12BT6

12A6 5659 { 12DM412AD6 12AG6 12DM4A 12BL6 12AF6

12DQ4f2BQ6GA12AE6 ~ 12AE6A

12FT6 f2AX4GTB 12BQ6GTA12D4 12BQ6GTB

~12AE6 12AX4GTA 12D4A 12BQ6GT 12CU612AE6A 12FT6 ( 12DM4 { 12DQ6

12DM4A 12DQ6A12AElO 13V10 12DQ4 12DQ6B12AF3 12BR3

j12DM12AF6 12BL6 f2BQ6GA12AG6 12AD6 12AX4GTB 12DM4 12BQ6GTB

12DM4A 12CU6fATSA 12DQ4 12BQ6GTA 12DQ612AV6

12AX7A {12DQ6A12AT6 12AV6A 12DQ6B12BK6 12DF7 12GW612BT6 12DT7

5721{'''U612AT6A 12AV6A 12AX7 6057 12DQ6

6681 12BQ6GTB 12DQ6Af'ATlWA 7025 12DQ6B12AT7WB 7025A 12GW66060 749412AT7 6201 7729 f1ATS

{6671 12AT6A6679 f2AY3A 12BT6 12AV67492 12AY3 12BS3 12AV6A7728 12BS3A 12BK6

f2AU6A

f

2AY3 12BU6 12BF612AU6 12BA6 12AY3A 12BS3

f

2BY712BA6A 12BS3A 12BV7 12BY7A12AU6A 12BA6A 12DQ7

12B7 ~14A7 {'2BY7A12AU7A 14H712AU7W 12BV712AU7WA f2BA6A 12BY7 12DQ75963 12BA6 12AU6 77336067 12AU6A 8448

12AU7 6189 12BY7A 12DQ76680 12BA6A 12AU6A7316 f2C57489 12BD6 ~ 12BAG 12C5/12CU5 12CU57730 12BA6A 12R5

Tube Replace Tube Replace

ITube Replace

Number with Number with Number with

12CA5 12EH5 12EA6 ~ 12DZ6 14J7 14S712CS5 12DW5 12EK6

12ED5 14JG8 ~ 14GT812CS6 ~ 12BE6 12FX5 14GT8A

12BE6A 12EH5 12CA5 14R7 14E7f2BQ6GTB ~ 12DZ6 14S7 14J712BQ6GTB/12CUG 12EK6 12EA6 15AB9 17AB9

12CU6 12DQ6 15AFll 15BDlll12DQ6A 12EN6 ~ 12L6GT 15BDll 15AF1112DQ6B 12W6GT 15EA7 13EM712GW6 16A5 15CW5

12EZ6 12CX612CX6 12EZ6 12FK6 12FM6 17A8 ~ 19EA8

r4A 12FM6 12FK6 19EA8A

12AX4GTB 12FT6 ~ 12AE6 17AB9 15AB912D4 12DM4 12AE6A 17AX3 17BE3

12DM4A12DQ4 12FX5 12ED5 f7AX4GTA

12G4 12H4 17D4f2DM4 12GW6 12DQ6B 17AX4GT 17D4A

12D4A 12DM4A f7OM412DQ4 12L6GT ~ 12EN6 17DM4A

12W6GT 17DQ4{'lAX)12AX7A 12L8 1644

CD<12DF7 12DT7 12SA7 12SY7 1704A7025 12SC7 1634 17AX4GTA 17OM47025A 12SK7 5661 17OM4A

12SN7 12SX7 17DQ4f2DM4A 12SR7 12SW7

12DM4 12D4A 12SW7 12SR7 f7AY3A12DQ4 12SX7 12SN7 17AY3 17BS3

12DM5 llC512SY7 12SA7 17BS3A

12W6GT ~ 12EN6

f

7AY3f2DQ6A 12L6GT 17AY3A 17BS3

12DQ6 12DQ6B 13DE7 15EW7 17BS3A12GW6

j17OQ6~ 13FD7~12DQ6B

13DR7 13FR7 17BQ6GTB 17OQ6A12DQ6A 12GW6

17OQ6B13EM7 15EA7 17GW6

12DQ6B 12GW6 13FD7 13FR7~ 17BE3

12DQ7 12BY7A 13FR7 13FD7 17BZ3 17BE3A13V10 12AElO

fAX) ~ 12B7 17C5 ~ 17CU512AX7A 14A7 14H7 17R5

12DTl 12DF77025 14AF7 XXD 17CQ4 17OE47025A 14C7 1280

~ 17C514E7 14R7 17CU512DW7 7247 17R5

f4GT8A14GT8 14JG8 {'7D4A

12DZ6 ~12EA6 7724 17AX4GTA12EK6 1704 17OM4

14H7 ~ 12B7 17DM4A12E5 12J5 14A7 17DQ4

I

Tube Replace Tube Replace I Tube ReplaceNumber with Number with I Number withI I

I If7DM4

I19EW7 20EW7 ! f5AX4GTi

17D4A 17DM4A 25U4GT 25D417DQ4 i 19JN8 119CL8A 25W4GT

I 19CL8B17DE4 17CQ4 f5AX4GTf7DM4A 19T8 119T8A 25W4GT 25D4

17DM4 17D4A 19C8 25U4GT17DQ4 19Y3 19X3 125L6GT

f7DQ6A 20EW7 19EW7 25W6GT 604617DQ6 17DQ6B 21A6 21B6

17GW6 21B6 21A6 25Y5 25Z5

117DQ6B25Z5 25Y5

17DQ6A 21EX6 25CD6GB 26A6 26CG617GW6 25AX4GT 25D4 26B6 26D6

17DQ6B 17GW6 25B6G 5824 26CG6 26A617GW6 17DQ6B

{'SSQ6GTB26D6 26B6

17L6GT 17W6GT 27 5617W6GT 17L6GT 25BQ6GTB/25CU6 27GB5 28GB5

25BQ6GA 25CU6 28GB5 27GB5f8FW6A 25DQ6 28HD5 30HD5

18FW6 18GD6 25DQ6A18GD6A

125BQ6GTB/25CU6[ 30A5135C5

18FW6A 18GD6A 35C5A25BQ6GTB 25CU6

f8FY6A 25DQ6 30HD5 28HD518FY6 18GE6 25DQ6A r18GE6A

25CA5125C5 1A4P

18FY6A 18GE6A 25EH5 1A4T

f8GD6A f5CD6GA 32 1B4{ 1B4P18GD6 18FW6 25CD6GB 1B4T18FW6A 25CD6G 25DN6 34

18GD6A 18FW6A 21EX6 951

f8GE6A f5CD6GB f2ET5A18GE6 18FY6 25CD6GA 25DN6 32ET5 34GD518FY6A )1 EX6 34GD5A

18GE6A 18FY6A 25CD6GB 21EX6 32ET5A 34GD5Aj19AU4GT 125BQ6GTB/25CU6 32L7 25A7

19AU4 19AU4GTA17CQ4 25CU6 25BQ6GTB fA<. 17DE4 25DQ6 1A4P

119AU425DQ6A 1A4T

19AU4GTA 125CD6GB 34 1B419AU4GT 17CQ4 25DN6 21EX6 fB4P

17DE4 1B4T125CD6GB 32

19C8119T8 25EC6 21EX6 95119T8A 34CE3 34CD3

119CL8B 25EH5 25CA519CL8A 19JN8 125W6GT f4GD5A

25L6GT 34GD5 32ET5~ 19EW7 6046 32ET5A19DE7 20EW7

f534GD5A 32ET5A

19EA8 119EA8A 25S IB5 35A3 35C317A8 1B5/25S 35C3 35A3

Tube Replace I Tube Replace Tube ReplaceNumber with

I

Number with Number with

35C5 ~ 35C5A CK1013 5517 5692 ~ 569130A5 i 1201 7E5 6SN7

37 76 1203 7C4 5693 6SJ738HK7 38HE7 1204 7AB7

1206 768 5725 ~ 6AJ5~39/44 1221 6C6 6AK539 44 1223 6J7

1229 1M 5731 955

39/44 p9 1230 30 J 25A644 1231 7V7 5824 25B640Z5GT 45Z5GT 1232 7G7 25C645Z5GT 40Z5GT 1267 OM 25L6

p91273 7A7 f6L6GC

44 1274 6X5 5881 758139/44

fX3l7581A

50CA5 ~ 50EH5

i1275 80 5910 1U4

50EH5A 83 5915 6BE6

~ 50EH5A 1280 14H7 6080 6AS750EH5 50CA5 1284 12B7 f02SA1291 3B7 12AX750HK6 50HC6 1294 1R4 7025 12AX7A50Y7 son 1299 306 120F750Z6 50AX6 1612 6L7 120T7son 50Y7 1614 6L6 7247 120W756 27 1620 6J7 7408 6V676 37 1634 12SC777 6C6 1644 12L8 7543 ~ 6AU678 606 5517 CK1003 6AU6A

rX3 f591 7581 ~ 7581A80 13 5590 9001 6L6GC

83V 9003 XXB 3C688 XXO 14AF7

p65591 5590 XXFM 7X7

81 16B5608-A 53 XXL 7M

83 5Z3. 80 5654 ~ 6AJ5fBC8117L7 117M7 6AK5 6BQ7

117N7 117P7 5672 5678 6BQ7A807 5933 5678 5672 X155 {"sa6BX8CK1005 ~OY4 5691 ~ 6SN7 6Bn

OZ4A 5692 6BZ8

Directly Interchangeable TubesForeign to American Tubes

Foreign Tube Replace with Foreign Tube Replace with Foreign Tube Replace withNumber American Tube Number American Tube Number American Tube

1C1 IRS 1013 1A3 1F3 IT41C2 1AC6 1Fl 1AJ4 1FD1 1AH51C3 1AB6 1F2 1L4 1FD9 lS5

Continued on page 61

Directly Interchangeable Tubes-(Continued)

Foreign to American Tubes

Foreign Tube Reploce with Foreign Tube Replace with Foreign Tube Replace withNumber American Tube Number American Tube Number American Tube

IH33 IAQ5 6L43 6CL6 30F5 7E07IH35 IA86 6L03 6CV7 30FLl 9G88IPI 3C4 6LOl2 6AK8 30Ll 7AN7IPI0 3S4 6L013 6807 30Ll5 7EK7IPll 3V4 6LPl2 68M8 30P4 25GF6IRK23 lS2 6M-Hl 6J4 30P12 12F8530-HH13 3FX7 6M-HH3 6J6 30P16 16A53M-R24 30K6 6P9 68M5 30P18 15CW53M-V7 38Z6 6P15 68Q5 30P19 25GF64R-HH2 48S8 6P17 6AM5 30PLl 13GC84R-HH8 4KN8 6R-HH2 68S8 30PLl2 16A84Y25 807 6R-HH8 6KN8 30PLl3 16GK85M-HH3 5J6 6R-R8C 5847 52KU 5Z4G5P29 6CN6 6S5G 6E5 6200T 6CV75R-HPl 48L8 6Z4 68X4 62TH 6CU75S1 807 6Z31 6X4 62VP 6CJ55lIO 5U4G 709 6AM5 63TP 6A886/30L2 6GA8 7010 6CH6 64ME 6C076ATlN 60T8 7F16 6CJ5 64SPT 68X66832 6AL5 803 6AM6 65ME 68R568C32 6AV6 805 68R7 66KU 68T46Cl2 6AJ8 806 68W7 67PT 6CK56Cl6 68L8 807 68S7 108CI 0826Cl8 6GV7 808 6267 121VP 12AC56CClO 5692 8R-HPl 6CQ6 14lDOT 14L76CC31 6J6 906 6CQ6 14lTH 14K76CC342 5670 9P9 98M5 150C2 OA26CF8 6267 IOCl4 1908 150C3 003602 6AL5 IOFl8 13EC7 163PEN 16A56FlO 6AC7 IOL03 14L7 17lDOP 17C86Fl2 6AM6 10L013 14G6 213PEN 21A66Fl6 6CJ5 10P18 4585 311SU 31A36FI8 6EC7 10PLl2 508M8 451PT 45A56Fl9 68Y7 128C32 12AV6 A863 6J7GT6F21 6CQ6 12E13 6550 A1834 6AS7G6F22 6267 12F31 128A6 AD 6Z36F23 6EL7 12G-83 12GW6 836 12SN7GT6F24 6EJ7 12G-86 128Q6GT 863 6A66F25 6EH7 12G-K17 1204A 8152 12AT76F26 68Y7 12H31 128E6 8309 12ATl6F29 6EH7 12R-K19 128R3 8319 7AN76F30 6EJ7 1302 6SN7GT 8329 12AU76F31 68A6 1303 6158 8339 12AX76F33 6AS6 17N8 17C8 8349 7EK76F35 6AJ5 18AK5 6028 8719 6AQ86F36 6AH6 19AJ8 1908 8729 6GA86FD12 60C8 1980 19X3 8739 12ATl6G-83A 6GW6 19M-R9 18G06 8749 12AU76G-86 68Q6GT 19SU 19Y3 8759 12AX76G-89 60Q6A 19U3 19X3 8F61 6CK56G-K17 6AU4GT 19W3 19X3 8F451 45A56H31 68E6 2003 12AH8 8PM04 6AQ56LlO 6AG7 2004 6AJ8 01C 9576Ll2 6AQ8 25G-86 258Q6GT 02C 958A6Ll3 12AX7 30Cl 9A8 02M9 6AL56L31 6AQ5 30C15 9EN7 03F 9596L34 6AQ4 30C18 7GV7 063 6H6



Foreign Tube Reploce with Foreign Tube Replace with Foreign Tube Replace withNumber American Tube Number American Tube I Number American Tube

ID77 6AL5 DY70 5642 ECC83 12AX7DI52 6AL5 DY80 IX2A ECC84 6CW7D717 6AL5 DY86 IS2 ECC85 6AQ8DA90 IA3 DY87 IS2A ECC86 6GM8DAC32 IH5GT ElF 954 ECC88 6DJ8DAF91 IS5 E2F 956 ECC89 6FC7DAF92 1U5 E55L 8233 ECC91 6J6DAF96 IAH5 E80CC 6085 ECCI80 6BQ7ADC80 IE3 E80F 6084 ECCI86 12AU7DCC90 3A5 E80L 6227 ECCI89 6ES8DCF60 IV6 E80T 6218 ECC230 6080DD6 6AL5 E81CC 6201 ECC804 6GA8DD7 6AM5

IE81L 6686 ECC813 6463

DDR7 6AM5 I E82CC 6189 ECF80 6BL8DF33 IN5GT I E88C 8255 ECF82 6U8DF60 5678 E88CC 6922 ECF86 6HG8DF62 IAD4 E90C 5920 i ECF801 6GJ7DF67 5911 E90CC 5920 ECF802 6JW8DF91 IT4 E91H 6687 ECF805 6GV7DF92 IL4 E95F 5654 ECH42 6CU7DF96 IAJ4 E180F 6688 ECH80 6AN7DF97 IAN5 EI80L 7534 ECH81 6AJ8DF904 IU4 El82CC 7119 ECH83 6DS8DH63 6Q7 EI86F 7737 ECH84 6JX8DH74 12Q7GT El88CC 7308 ECL80 6AB8DH76 12Q7GT E280F 7722

I ECL82 6BM8DH77 6AT6 E288CC 8223 ECL84 6DX8DH81 7B6 EAA91 6AL5 I ECL85 6GV8IDH118 14L7 EABC80 6AK8 I ECL86 6GW8DH119 14G6 EAF42 6CTl EF41 6CJ5DHI42 14L7 EB91 6AL5 EF71 5899DHI49 7C6 EBC41 6CV7 EF72 5840DHI50 6CV7 EBC81 6BD7 EF80 6BX6DH718 6CV7 EBC90 6AT6 EF81 6BH5DH719 6AK8 EBC91 6AV6 EF82 6CH6DK32 IA7GT EBF80 6N8 EF83 6BK8DK91 IR5 EBF81 6AD8 EF85 6BY7DK92 IAC6 EBF83 6DR8 EF86 6267DK96 IAB6 EBF85 6DC8 EF87 6267DL29 3D6 EBF89 6DC8 EF89 6DA6DL31 IA5 EC55 5861 EF89F 6DG7DL33 3Q5GT EC80 6Q4 EF91 6AM6DL35 IC5GT EC81 6R4 EF92 6CQ6DL36 IQ5GT EC84 6AJ4 EF93 6BA6DL67 5913 EC86 6CM4 EF94 6AU6DL91 IS4 EC88 6DL4 EF95 6AK5DL92 3S4 EC90 6C4 EF96 6AG5DL93 3M EC91 6AQ4 EF97 6ES6DL94 3V4 EC92 6AB4 EF98 6ET6DL95 3Q4 EC94 6AF4 EFI83 6EH7DL96 3C4 EC95 6ER5 EFI84 6EJ7DL98 3B4 EC97 6FY5 EFI90 6CB6.DM70 1M3 EC900 6HA5 EF730 5636DM71 IN3 ECIooo 8254 EF731 5899DY30 IB3GT ECC70 6021 EF732 5901DY51 IBG2 ECC81 12ATl EF734 6205DP61 6AK5 ECC82 12AU7 EF811 6EH7



Foreign Tube Replace with Foreign Tube Replace with Foreign Tube Replace withNumber American Tube Number American Tube

,Number American Tube

,EF812 6EL7 HCC85 17EW8 N369 16A8EF814 6EJ7 HCH81 12AJ7 N379 15CW5EF905 5654 HD14 IH5GT

,N709 6BQ5

EH90 6CS6 HF61 6eJ5 N727 6AQ5EK90 6BE6 HF93 12BA6 OBC3 12SQ7EL34 6CA7 HF94 12AU6 OFl 6S7EL36 6CM5 HF121 12AC5 OF5 12K4GTEL37 6L6 HK90 12BE6 OH4 12A8EL38 6CN6 HL90 19AQ5 OSW2190 6AC7EL41 6CK5 HL92 50C5 OSW2192 6AG7EL71 5902 HL94 30A5 OSW2600 6AC7EL80 6M5 HM04 6BE6 OSW2601 6AG7EL81 6CJ6 HP6 6AM6 OSW3104 6SA7EL82 6DY5 HY90 35W4 OSW3105 6SQ7EL83 6CK6 KD21 OA3 OSW3107 5CG4EL84 6BQ5 KD24 OC3 OSW3109 6H6EL85 6BN5 KC25 003 OSW3110 6E5EL86 6CW5 KT32 25W6GT OSW31l1 6SK7EL90 6AQ5

,KT63 6F6G OSW3112 6J5

EL91 6AM5 I KT66 6L6GC P17A 807EL95 60L5 KT71 50L6GT PABC80 9AK8ELl80 12BY7

tKT77 6CA7 PC86 4CM4

ELSOO 6GB5 KT88 6550 PC95 4GK5EL820 6CK6 KTZ63 6K7GT PC900 4HA5EL821 6CH6 , L63 6J5 PCC84 7AN7EL822 6CH6 L77 6C4 PCC85 9AQ8ELL80 6HU8 i LC900 3HA5 PCC88 7DJ8EM34 6C07

ILCF80 6LN8 PCC89 7FC7

EM80 6BR5 LCF802 6LX8 PCC186 7AU7EM81 6DA5 i LF183 4EH7 PCC189 7ES8EM84 6FG6 LFl84 4EJ7 PCC805 7EK7EM87 6HU6 I LL505 27KG6 PCE800 9GB8EM840 6FG6 LN119 50BM8 PCF80 9A8EQ80 6BE7 LN319 13GC8 PCF82 9U8EY51 6X2 LN152 6AB8 PCF86 7HG8EY80 6U3 LZ319 9A8 PCF800 9EN7EY81 6R3 LZ329 9A8 PCF801 8GJ7EY81F 6V3 N14 lC5GT PCF805 7GV7EY82 6N3 i N15 3Q5GT PCF806 8GJ7EY84 6374

,N16 3Q5GT PCL82 16A8

EY86 6S2i

N17 3S4 I PCL84 150Q8EY87 6S2A I N18 3Q4 PCL85 18GV8EY88 6AL3 N19 3V4 PCL800 16GK8EZ35 6X5G N25 3C4 PF9 6K7EZ40 6BT4 N77 6AM5 PH4 6A8EZ80 6V4 N78 6BJ5 PL36 25E5EZ81 6CM N1l9 45B5 PL81 21A6EZ90 6X4 N142 45A5 PL82 16A5EZ91 6AV4 N144 6AM5 PL83 15A6EZ900 6063 N150 6CK5 PL84 15CW5GZ30 5Z4G N152 21A6 PL302 25GF6GZ34 5AR4 N153 15A6 PL500 27GB5H63 6F5GT N154 16A5 PL505 40KG6HAA91 12AL5 N308 25E5 PL820 21A6HABC80 19T8 N309 15A6 PLl267 OMGHBC90 12AT6 N329 16A5

IPLL80 12HU8

HBC91 12AV6 N359 21A6 PM04 6BA6



Foreign Tube Replace with I Foreign Tube Repalce with I Foreign Tube Replace withNumber American Tube I Number American Tube . Number American Tube

12S7 X719 6AJ8PM07 6AM6 i UAF42PY80 19X3 UBC41 14L7 X727 6BE6PY81 17Z3 UBC81 14G6 XC95 2ER5PY82 19Y3 UBF80 17C8 XC97 2FY5PY83 17Z3 UCH42 14K7 XC900 2HA5PY88 30AE3 UCH81 19D8 XCC82 7AU7PY800 17Z3 UCL82 50BM8 XCC189 4ES8PY80l 17Z3 UF41 12AC5

IXCF80 4BL8

QB65 6SN7GT UL41 45A5 XCF801 4GJ7QB309 12AT7 UL84 45B5 XCH81 3AJ8QE06/50 807 UN954 954 XCL82 8B8QL77 6C4 UN955 955 XCL85 9GV8QV05-25 807 UU12 6CA4 XF80 3BX6QW77 6CQ6 UY41 31A3 XF85 3BY7QZ77 6AM6 UY42 31A3 XF183 3EH7R12 6X2 UY82 55N3 XF184 3EJ7R16 lT2 UY85 38A3 XL36 13CM5R19 lX2A UY89 38A3 XL84 8BQ5R52 5Z4G V2M70 6X4 XL86 8CW5R144 6AM6

IV61 6BT4 XY88 16AQ3

RL21 2D21 V177 6CQ6 Y25 1M3S6Fl2 6AM6 V311 31A3 YC95 3ER5SP6 6AM6 V312 31A3 YC97 3FY5STVI08/30 OB2 V884 6CQ6 YF183 4EH7STV150/30 OA2 VP6 6CQ6 YF184 4EJ7SU61 6X2 VP12D 12C8 Zl4 IN5GTT2M05 6J6 WI7 IT4 Z63 6J7TMI2 6J4 W25 IAJ4 Z77 6AM6U25 2L2 W6I 6K7 Zl52 6BX6U26 2J2 W63 6K7 Z300T OA4GU37 lT2 W76 12K7 Z319 6351U41 IB3GT W77 6CQ6 Z329 7ED7U43 6X2 W8I 7A7 Z719 6BX6U49 2J2 W1l9 mC7 Z729 6267U50 5Y3GT W142 12AC5 Z749 6EL7U52 5U4G W148 7A7 ZD17 lS5U70 6X5G W149 7B7 ZD25 lAH5U76 35Z5GT W719 6BY7 ZD152 6N8U77 5AR4 W727 6BA6U1l9 38A3 W739 6EC7 IUI42 31A3 WD142 12S7UI47 6X5G WD150 6CT7U149 7Y4 WD709 6N8U150 6BT4 X14 lA7GTU151 6X2 X17 IR5U152 I9X3 XI8 lAC6 See Pages 65 to 70U153 I7Z3 X20 IAC6 for Listing ofU154 I9Y3 X25 lAB6UI9I I9CS4 X61M 6E8G American to ForeignUI92 19Y3 X63 6A8 Directly InterchangeableUI93 I7Z3 X64 6L7 Tubes.U251 17Z3 X77 6BE6U309 19X3 X8I 7S7U319 I9Y3 X1l9 19D8U339 19C54 X142 I4K7

IU381 38A3 XI47 6E8GU707 6X4 X148 7S7

Directly Interchangeable TubesAmerican to Foreign Tubes

American Tube Replace with I American Tube Replace with American Tube Replace withNumber Foreign Tube Number Foreign Tube Number Foreign Tube

115OC2 IE3 DC80 I 2FY5 XC97OA2 150C4 2HA5 XC900

M8223 IH5GT ~ DAC32 iI

STV150/30 HDI4 ; ~ U262J2OA3 KD21 pF2

U49IL4 i

DF92 ! 2L2 U25~ PLl267OMG Z300T rM70 3M DL931M3 DM71r08CI Y25 3A5 DCC90

OB2 M8224 3AJ8 XCH81STVI08/30 rM70 3AL5 XAA91

IN3 DM71 3AU6 XF94OC3 KD24 Y25 3B4 DL98

3BX6 XF80OD3 ~ 150C3 ~ DF33 3BY7 XF85

KD25 IN5GT Z14 3Bl6 3M-V7OE3 85AI

IQ5GT fPIOG3 85A2 DL363C4 DL96

IA3 ~ID13 fCIN25

DA90 lR5 DK91X17 3D6 DL29

lA5G DL31 3DK6 3M-R24

~ DK32lR5SF IH33 3EH7 XFl83

lA7GT 3EJ7 XFl84X14

fRK233ER5 YC95

rC3 lS2 DY86 3FX7 3D-HH13DY87 3FY5 YC97

lAB6 IH35 3HA5 LC900DK96 lS2A DY87X25 lS4 DL91 3Q4 ~ DL95

NI8rC2 fF09lAC6 DK92 lS5 DAF91 rL33X18 lD17 3Q5GT N15X20 NI6

lAD4 DF62 1T2 ~ R16fPIOU37

3S4 DL92fFDl

fF3N17

lAH5 DAF96 IT4 DF91lD25 W17 fPll3V4 DL94fFl IU4 DF904 N19

lAJ4 DF96 IU5 DAF92W25 IV6 DCF60 4BL8 ~ 5R-HPlXCF80

lAN5 DF97~ DY80lAQ5 IH33 lX2A R19 4BS8 4R-HH2

~ DY304CM4 PC86

IB3GTf91NU41 ~ LF1832D21 EN91 4EH7 YFl83IBG2 DY51 M8204PL21

lC5GT ~ DL35 4EJ7 f LF184N14 2ER5 XC95 YF184


American to Foreign Tubes

American Tube Replace with American Tube Replace with ' American Tube Replace withNumber Foreign Tube Number Foreign Tube Number Foreign Tube,

!

4ES8 XCCI89 6A6 B63 f'114GJ7 XCF801 I 7094GK5 PC95 6A8 1 PH4 DD74HA5 PC900 X63

6AM5 DDR74KN8 4R-HH8 6AB4 EC92 ( EL91Nll

52KUf3TP

NI4453KU 6AB8 ECL80 QA240254KU LNI52 i

GZ30 I r 6Fl25AR4 GZ32 fFlO I 8D3

GZ33 6AC7 OSW2190 EF91GZ34 OSW2600 rp6GZ37 I M8083R52 6AD8 EBF81

6AM6 PM07U54 i 6AF4 EC94 I QA24036AG5 EF96 i QZ77

5AW4 U54fUO

I RI445AX4GT U54 6AG7 OSW2192 I I S6Fl25CG4 OSW3107 OSW2601 SP6

lZ775J6 5M-HH3 6AH6 6F36

6AJ4 EC84 6AN7 ECH805T4 1 GZ31 6AJ5 6F35

U52 fL34fFIO

I6AQ4 EC91

fZlO 6AJ7 OSW2190 M80995U4G GZ32 OSW2600

U52 rCI2 f'BPM0452KU 6AJ8 20D4 6ZQ5 EL9053KU ECH81 M824554KU X719 N727GZ30

fP61 fU25V4G GZ32 6AK5 E95F 6AQ8 B719GZ33 EF905GZ34 ECC85OSW3107 fLDI2 \ 6F33R52 6AK8 DH719 6AS6 IM8196U54 EABC80

6AS7G 1AI8345W4 1 U50 6AL3 EY88 ECC230

U516B32 6AT6 1 DHll

5Y3GT U50 6D2 EBC90D2M9 6AU4GT 6G-K17

j"'uDll 6AU6 EF9453KU DI52

54KU D7l7 6AV4 EZ91GZ30 6AL5 DD6 16BC32GZ32 EAA91 6AV6 EBC~I

524 GZ33 EAA901GZ34 EAA90lS {"31OSW3107 EB91 EF93lR52 M8079 6BA6 M8101U54 M8212 PM04Ull QA2404 W727



American Tube Replace with I American Tube Replace with I American Tube Replace withNumber Foreign Tube Number Foreign Tube Number Foreign Tube

6BD7 1EBC80 r 6CS6 EH90EBC81 L77

6C4 M8080 6CT7 1EAF42{'"'I QA2401 WDl50EK90 QL77

6BE6 HM04 1EZ81 \ 62THX77 6CM ECH42X727 UU12 6CU7 1 ECH43

6BE7 EQ80 {"II ECHll312El36BH5 EF81 6CA7 EL34 fLD36BH6 E90F KT77 62DDT6BJ5 N78 KT88 6CV7 DH1506BJ6 E99F DH7186BK8 EF83 6CB6 EFI90 EBC41

16C16 6CD7 164ME6BL8 EM34 6CW5 EL86ECF80 6CW7 ECC846CF6 EFI90 6DA5 EM816BM5 6P9~7D1O 6DA6 EF89

16LP12 6CH6 EF826BM8 ECL82 EL821 fFDl2. EL822 6DC8 EBF856BN5 EL85 r EBF89

7FI6 6DG7 EF89E16Pl5 6CJ5 62VP

6BQ5 E84L EF41 1ECC88EL84 HF61 6DJ8N709 ECC189

6CJ6 1EL816BQ6GT 6G-B6 EL820 6DL4 EC886BQ7A ECC180

167PT6DL5 EL95

BF61 6DQ6A 6G-B9

165ME6CK5 EL41 6DR8 EBF83

6BR5 EM80 Nl50 6DS8 ECH836DT8 6ATlN

6BR7 8D5 6CK6 1 EL83 6DX8 ECL846BS7 8D7 EL820 6DY5 EL826BS8 6R-HH2 6CL6 6L43

16S5G6CM4 EC86 6E5

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6BT4 Ul50 6CM5 EL36 6E8G 1X61MV61 EL360 X147

6BW7 6CN6 15P29 16F18806 EL38 6EC76BX4 6Z4 W739

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Zl52 M8161 EFI83Z719 6CQ6 QA2400 EF811

QW7716F19 V177

16F246BY7 6F26 V884 6EJ7 6F30

EF85 VP6 EFI84W719 W77 EF814



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fF23 6JW8 ECF802 fZ316EL7 EF812 6JX8 ECH84 EZ90Z749 6X4 EZ902

fF9 ( EZ9006ER5 EC95 6K7 W61 U7076ES6 EF97 W63 V2M706ES8 ECC1896ET6 EF98 6KN8 6R·HH8 6X5G 1EZ356F5GT H63 6L6 EL37 U1476F6G KT63 6L6GC KT666FC7 ECC89 6L7 X64 7A7 1W81

6LN8 LCF80 W148

~ EM846LX8 LCF802

6FG6 EM840 6M5 EL80 rOll6N3 EY82 7AN7 B319

6FY5 EC97PCC84

fBF806N8 WD709 7AU7 1PCC186f/3OL2 ZD152 XCC82

6GA8 B729ECC804 6Q4 EC80 fL227B5 KT81

6GB5 EL500 6Q7 DH63 N1486R3 EY816GJ7 ECF801 6R4 EC816GM8 ECC86 6S2 EY86 7B6 1DH816S2A EY87 DL82

6GV7 16C18 6S7 OF! 7B7 W149ECF805 6SA7 OSW31046SK7 OSW3111

fL226GV8 ECL856GW8 ECL86 7C5 KT81

113D2 N148

~ D63 6SN7GT B656H6 OSW3109

QA2408 7C6 DH149QB65 7DJ8 PCC886HA5 EC900 6SQ7 OSW31056HG8 ECF86 7ED7 13OF56HU6 EM87 Z3296HU8 ELL80 fLD126T8 DH719 rOLlS

fM.HlEABC80 7EK7 B349

6J4 M8232 PCC805TM12 6U3 EY80

7ES8 PCC189~ L63 1ECF80 7FC7 PCC89

6J5 OSW3112 6U8 ECF827GV7 ~30C18fC3! 6V3 EY81F PCF805

6M·HH3 6V4 EZ806J6 ECC91 7HG8 PCF86

M8081 fYl!T2M05 R12 7S7 1X816X2 SU61 X148

6J7 ~A863 U43Z63 U151 7Y4 U149




j30Cl B152 { 13028A8 LZ319 B309 12SN7GT B36

LZ329 B739PCF80 E81CC 12SQ7 OBC3

12ATl ECC81 12SX7GT B36{ 8R-HPl ECC801 12Z3 HZ908B8 XCL82 ECC8015

M8162 { 12G-B78BQ5 XL84 QA2406 13CM5 XL368CW5 XL86 QB309

mC7 { IOFl812AU6 HF94 W119

8GJ7 { PCF801PCF806 )'319 { 30PLI13GC8

8HG8 PCF86 B749 LN319E82CC

12AU7 ECC82fOL013

rOC1 ( ECC186 14G6 OH119

9A8 LZ319 ECC802 UBC81LZ329 ECC802SPCF80 M8136 114lTH

14K7 UCH429AK8 PABC80 { 12BC32 UCH439AQ8 PCC85 12AV6 HBC91 X1429BM5 9P9

J6LI3 f'OJPOC15 B339 14100T9EN7 PCF800 B759 14L7 OH11812AX7 E83CC OH142

{ 30FLI ( ECC83 UBC419GB8 PCE800 ECC803

M8137 14Z3 HZ909GV8 XCL85 12BAG { 12F319U8 PCF82 HF93 f153100E7 9R-ALI 15A6 N30912A8 OH4 { 12H31 PL83

12BE6 HK90

fOF9 fOP18121VP 12BQ6GT 12G-B6 15CW5 N379HF121 12BR3 12R-K19 PL84

12AC5 fF41 12BY7 ELI80W118 12C8 VP120 150Q8 PCL84W142 120F7 ECC83W145 120T7 ECC83

C612FB5 30P12 163PEN12HU8 PLL80 N15412AF3 12R-K19 16A5 N32912AH8 2003 12K7 { OF5 PL8212AJ? HCH81 W76 PL87

f002 12K8 { X71M

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OPLI212AL5 HAA91 X76M

16A8 N369UB91 rH74 PCL82

12Q7GT OH7612AT6 HBC90 OL74M 16AQ3 XY88




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j17N8 13OP4110PLl2

25GF6 48A817C8 tl7lDDP PL302 50BM8 LN119

UBF80 UCL8225GF6 30P4

17EW8 HCC85 25W6 KT32 50C5 HL92

fYBl 1PY31 50L6GT KT71PY83 25Y4 U31 55N3 UY82PY800

17Z3 PY801 27GB5 PL500 f25( U153 27KG6 LL505 5S1U193 30A5 HL94 807 P17AU251 30AE3 PY88 QE06/50U329 QV05-25

flSU18GD6 19M-R9 U118 { ElF18GV8 PCL85 U142 954 UN95419AQ5 HL90 U145

31A3 r f1C19C54 { U191 UY41 955 HA2U339 UY42 UN955V311

j10C14 V31295619AJ8 E2F

19D8 UCH81 1311SU957 D1C

X119 U142 958A D2C31A3 UY41 959 D3F

19T8 HABC80 UY42 5642 DY705670 6CC42

f9BD 35W4 HY90 5847 6R-R8C19U3

19X3 19W3 ~U74 6080 V1834fY8 35Z46T U76 ECC230U152U309

f1l9 r38A3 U381 6F22

{9SU UY85 6267 EF86PY82 M8195

19Y3 U154 40KG6 PL505 Z729U192U319

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OP146550 KT88

f13PEN 451PT1 B339N152 BF4145A5 lN142 B759N339 702521A6 lN359 UL41 ECC83

PL81 UL46 M8137PL820

1451PT 7027 KT6625A6 KT33 45A5 BF451 7027A KT88

N142 7543 EF9425BQ6GT 25G-B6 UL41 7581 KT66

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