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Modwright Oppo 105 - Upgrade Power Supply Tubes?

Thanks to the forum & a post by Mrtennis I upgraded the 6sn7 tubes to 1950's RCAs and am most pleased with the change in sound. In my 2 systems with my 2 ears the player went from digital sterile to nice and musical. I am not a fan of the supplied electro-harmonix 6SN7 that is supplied. Thanks again Mrtennis. And here is my question, has anyone found it beneficial to upgrade any of the tubes in the power supply?

Many thanks.
bluewolf

Showing 2 responses by knghifi

knghifi
1,668 posts
 
When I had the MW Transporter, Tung Sol NOS 5u4gb was by far the best rectifier tube. It was musical, bloom, detail ... JJ GZ34 for $18 was also excellent and definitely worth a roll.

For reference, I found Mullard GZ34 too warm and rich for my taste.
knghifi
1,668 posts
 
Black Treasure CV181-T was the BEST signal tube in my MW Transporter. I found Sophia 6SN7 to lean for my taste.
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