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Tube Interchangability Reference

The following should be direct substitutions. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Tubes in the "Tube" column are directly replaceable with tubes in the "Replacement" column. The reverse will not necessarily be a correct replacement. Please report any errors.

Tube prefix selection

0 1 2 3 4 5 6 7 8 9 10 12 13-117 VT Numeric Letter


TubeReplacement TubeReplacement
7A4
7A6

7A7


7AB7
7AG7

7AH7


7AJ7
7AN7
7AU7
7B7

7C4


7DJ8
7E5
7E7
7EK7
7ES8
7FC7

7G7


7H7


7HG8

7J7
7R7
7S7
7V7
7X7


8A8




8AU8





8AW8A





8BA8A




8BH8




8CX8



8EB8


8GJ7


8GN8


8GX7
8HG8


8JE8


8JV8



8KS8




9A8



9EA8
XXL
5679

7A7LM
7H7

1204
7AH7

7AG7
7B7

1273
7EK7
6AU7
7AH7

1203
1203A

7ES8
1201
7R7
7AN7
7DJ8
7EK7

7V7
1232

7A7
7A7LM

8GH8

7S7
7E7
7J7
7G7
XXFM

9A8
9EA8
9U8
9U8A

8AU8A
8AW8A
8BA8A
8BH8

8AU8
8AU8A
8BA8A
8BH8
8JV8
8KS8

8AU8
8AU8A
8AW8A
8BH8

8AU8
8AU8A
8AW8A
8BA8A

8EB8
8GN8
8JE8

8CX8
8GN8
8JE8

8GX7

8CX8
8EB8
8JE8

8GJ7
7HG8

8CX8
8EB8
8GN8

8AW8A
8KS8

8AU8
8AU8A
8AW8A
8JV8

8A8
9EA8
9U8
9U8A

9U8A

9U8



9U8A

10DE7

10DR7




10EB8




10EG7
10EM7
10FD7
10FR7



10GN8






10HF8






10JA8





10JT8







10JY8






10KR8





10LB8





10LW8





10LZ8



11C5



11JE8






11KV8





11LQ8
9U8A
8A8
9A8
9EA8

9EA8

10EW7

10FD7
10FR7

10GN8
10HF8
10JA8
10JY8
10LZ8
11JE8

10EM7
10EG7
10FR7
10FD7

10EB8
10HF8
10JA8
10JY8
10LZ8
11JE8

10EB8
10GN8
10JA8
10JY8
10LZ8
11JE8

10EB8
10GN8
10HF8
10JY8
11JE8

10KR8
10LB8
10HF8
10LW8
10KV8
10LQ8

10EB8
10GN8
10HF8
10JA8
10LZ8
6AY3B
11JE8

10JT8
10LB8
10LW8
10KV8
11LQ8

10JT8
10KR8
10LW8
11KV8
11LQ8

10JT8
10KR8
10LB8
11KV8
11LQ8

10EB8
10GN8
10HF8
10JY8
11JE8

12DM5

10EB8
10GN8
10HF8
10JA8
10JY8
10LZ8

10JT8
10KR8
10LB8
10LW8
11LQ8

10JT8
10KR8
10LB8
10LW8
11KV8

Last update: 24 Jul. 2004