Hi,
I own Unison Research Simply 4 for 5 years now !!!!
I replace the originals with Mullards EL34 and
Telefunken ECC 82 . Great combination !!! If you can
goo gor it. Ad to the tubes HAL-O Tube Dampers
and you will be over the moon !!!! Look for HAL-O Tube Dampers on http://herbiesaudiolab.home.att.net/index.htm
Regards
Marko
I own Unison Research Simply 4 for 5 years now !!!!
I replace the originals with Mullards EL34 and
Telefunken ECC 82 . Great combination !!! If you can
goo gor it. Ad to the tubes HAL-O Tube Dampers
and you will be over the moon !!!! Look for HAL-O Tube Dampers on http://herbiesaudiolab.home.att.net/index.htm
Regards
Marko