![]() | electron Tube Data sheets |
![]() |
![]() | ||
![]() | Precision 660 |
The Precision 660 tube tester with my DIY socket adapter |
Circuit diagram |
Circuit diagram tubes part only |
Tube-list in excel (updated 2014-03-18) |
G140 adapter |
TRC-HB |
TRC-63-10 |
TRC-63-10-s |
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 |