electron Tube Data sheets | ||
Precision 660 |
The Precision 660 tube tester with my DIY socket adapter |
Circuit diagram |
Circuit diagram tubes part only |
G140 adapter |
Coletronics Flyer |
Test Data : |
Tube-list in excel (updated 2023-03-19) |
H2B Rolchart |
TRC HB |
TRC 63-10 |
TRC 65-08-15 |
TRC 65-10-01 |
TRC 65-10-25 |
TRC 66-04-01 |
TRC 66-06-25 |
TRC 67-08-09 |
TRC 68-10-01 |
TRC 69-04-01 |
TRC 70-02-01 |
TRC 70-06-01 |
TRC 70-11-01 |
TRC 71-02-15 |
TRC 71-06-01 |
TRC 76-01-01 |
Form 660 TDC (9-59) transistor test data |