| Model | 8163 3-400Z |
| Brand | Amperex |
| Plate | Grey Rugged |
| Getter | NA |
| Tube Type | Triode |
| Variant | Includes Eimac Anode Cap |
| Common Use | Transmitting, RF Power Amplifier |
| Date Code | 1965 |
| Manufacture Date | 1965 — specific week unknown; Amperex-branded 3-400Z (Eimac-derived design) |
| Country | Netherlands |
| Condition | NOS |
| Box | — |
ALL TUBES ARE TESTED WITH RECENTLY CALIBRATED PROFESSIONAL TESTERS.
NOS TUBE Not Tested but Guaranteed NEW
| Domestic | USPS Priority Mail — $12.00 |
| International | USPS First Class Intl — Medium — $32.00 |
Free Combined Shipping for all USA Buyers. Buy As Many Tubes As You Would Like and Pay Only the First Shipping Fee.
Combined Shipping is available for all International Buyers.