I suggest calling Andy at Vintage Tube Services for NOS tubes.
Plenty of current production tube sellers including:
Tubedepot.com
thetubestore.com
Below is some information that might help other who want to offer their advice. There is also a FAQ on tubes at audioasylum.com
Classic MFA Magus A2 preamp designed by Bruce Moore. Has outboard power supply, 2 12ax7s for phono and a 12au7 and 6DJ8.
Plenty of current production tube sellers including:
Tubedepot.com
thetubestore.com
Below is some information that might help other who want to offer their advice. There is also a FAQ on tubes at audioasylum.com
Classic MFA Magus A2 preamp designed by Bruce Moore. Has outboard power supply, 2 12ax7s for phono and a 12au7 and 6DJ8.