Pulled from working equipment by a professional, personally tested and guaranteed.

Please note that my testing is limited to continuity testing. Beyond that these are visually inspected and then guaranteed for money back if not right for you. No risk!

This product is a matched pair of vintage Amperex Holland NOS tubes, model 6922 E88CC. They were manufactured in the United States and are from 1960. The tubes have been tested and were made on the same day and with the same code.