Tube Substitutions for:
PY81
Damper, booster, flyback diode
| Type | Substitutes | Base Diagram |
|---|---|---|
| PY81 | 17Z3 |  |
| Web References | PY81 (La Radiotechnique) @ Franks Electron Tubes PY81 (RFT) @ Franks Electron Tubes PY81 @ RadioMuseum.org | |
Damper, booster, flyback diode
MECHANICAL DATA
| Basing | 9CB |