Компания Groove Tubes выложила в сеть справочник по лампам к сотням моделей усилителей!
This comprehensive quick guide provides
complete and accurate information on replacement tubes
for hundreds of amplifiers from vintage classics
through the newest and coolest models!
We have also included a section on tube basics,
from troubleshooting to biasing. Also included are
descriptions of the performance characteristics of the
most commonly used tube types and the Groove Tube
versions of these tubes.
Download the FREE Groove Tubes Choosing & Using Vacuum Tubes reference guide!
https://wpc.077d.edgecastcdn.net/00077D/ ... 202012.pdf