What are the best tubes for Audio Research SP-11?

What are best replacement tubes for the Audio Research SP-11 Mk2? I listened to Jazz and music with hefty bass, at least my family does! What types of tubes, and the address where I can purchase?

jaguar184511-03-2002 6:38am

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ivanj Details Discussions Posts This discussion Message User 640 posts 11-03-2002 at 02:34pm Copy Comment URL Report Comment Edit Delete HAve you enquired the manufacturer as a start? At least there you will have some tested items as a baseline to do some tube rolling from.
viridian Details Discussions Posts This discussion Message User 4,184 posts 11-03-2002 at 04:12pm Copy Comment URL Report Comment Edit Delete I still like the Amperex 7308 gold pin and the rare 6Dj8 India tubes in my SP-9 lll.
jaguar1845 OP Details Discussions Posts This discussion Message User 18 posts 11-03-2002 at 09:31pm Copy Comment URL Report Comment Edit Delete Audio Research is selling the replacement tubes (6) 6922 for $179.00. This is their recommendations.

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