- Lorain, Ohio, United States
- May 26th
Precision 10-12 Tube Tester, several tubes have been tested and all tested as expected, shown testing a known good 12AX7 and a 5U4, includes the Coletronics B-16 adapter, three setup charts and a schematic - NO user manual, manuals and other setup charts are available on eBay, the tube tester appears to have had previous repair/service work, some parts are more modern replacements - see pics.