Notes
- never used, with perfect test results vs new tube data
- tubes matched on orders of two or more
- tested for microphonics with little to no distortion
- no gas, or over current issues detected
- heated 1 hour prior to testing using actual voltages
- carefully hand picked, and inspected
- vacuum tubes are shipped in new labeled white cartons
- test results will very on all tube testers, especially vintage units or without power conditioning
- custom identifier markings added for both quality assurance, and return fraud protection
Test Gear
TV-7D/U (Power Conditioned)
Amplitrex AT1000 (Fixed BIAS Mode)
Grading Referencing
(ST) Strong to NOS test results and in great condition, typically within 12% of new tube data
(GD) Good to great test results and in good condition, typically within 25% of new tube data
(WK) Weak to fair test results and in average condition, typically within 50% of new tube data
(UG) strong to weak test results with minor physical issues/defects which do not affect tube performance, and are sold AS-IS
defects can consist of gas, loose base, missing octal lock, including other issues noted in the Notes section above
Warning
Fraudulent returns will be met with local, state, and federal police reports against buyers information