Pillo69 wrote:It is clear that an external buffer (as Peterh has commented), or a new PCB with a cathode follower (model TCLA, Roy, for example), solve the problem of connection to computers or transistor equipment.
But this new output influences the loss of quality with its connection to the ST70 ?.
A greeting.
I just stumbled over a buffer made specifically for PAS :
https://www.ebay.com/itm/Dynaco-PAS-Tube-Preamps-Jfet-2sk170-Output-Buffer-Module/292393468024?hash=item4414024078:g:r1oAAOSwUaNZwi7k
$24 + postage