Although these tubes have different date codes, the interior construction is identical.
| Plate Current (Ip) | Mutual Conductance (Gm) | Heater-Cathode Leakage | Gas |
Tube 1 | 39.6 mA (88%) | 3450 (84%) | 0.0 | 0.6 |
Tube 2 | 36.8 mA (82%) | 3330 (81%) | 0.0 | 0.2 |
Tube 3 | 37.0 mA (82%) | 3350 (82%) | 0.0 | 0.4 |
Tube 4 | 37.4 mA (83%) | 3680 (90%) | 0.0 | 0.3 |
The tube(s) in this sale have been carefully screened to ensure your satisfaction. We meticulously inspect each tube for loose parts, faded getter flashing, heat-stressed plates, and more. Furthermore, testing was performed on the world's most advanced tube tester, the
Amplitex AT-1000. This tester is second to none when it comes to accuracy and reliability!
With all of this in mind, the tube(s) in this sale include a
30-day satisfaction guarantee. If you are unhappy with your purchase for
any reason, you can return them for a full refund! All we ask is that you contact us prior to opening a return. More often that not, we are able to remedy the situation with direct communication.
Your entire tube order ships for
free, whether you buy a single tube or dozens! Likewise, all purchases are insured for their full value… buy with confidence!