5751
The 5751 is a dual triode tube with a B9A (Noval) miniature 9-pin base, essentially an improved 12AX7.
Tek part number: 154-0094-00
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| Type E Plug-in | 157-0033-00 | All |
157-0033-00 has been replaced by 12AX7
Reference: