Two good testing 6550 power tubes from the 1960s or early 70s. One is a General Electric and the other one supposedly also is, though the writing has totally been worn off. I used them in my sunn sceptre for years and they sound great. Great bottom end!
| Listed | 12 years ago |
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| Condition | Good (Used) Good condition items function properly but may exhibit some wear and tear.Learn more |
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