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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 | Replacement | Tube | Replacement |
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