This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Tubes tested at- 52 – 50. Average new tube value – 50. Date code on both – 78 – 20.
This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Tubes tested at- 52 – 50. Average new tube value – 50. Date code on both – 78 – 20.