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Best sounding tube for Audible Illusions M3A preamp?

I am interest in learning what folks are using as the best tube for preamps, specifically, the Audible Illusions Modulus 3A. (My AI M3A also has a Gold phono stage card, but that is purely solid state). I have reviewed nearly all the tube roller-specific forum threads here, which are spread over  several topic areas. I have also reviewed another thread located elsewhere (https://www.head-fi.org/threads/6922-tube-review-17-top-6922-6n23p-e88cc-cca-7308-e188cc-tubes.76107...). I know that AI recommends the 6H23n tube for the M3A. So please let me know your thoughts about this tube and whether you can recommend a particular brand of the tube and commercial online supplier. I would also appreciate your view of alternative tubes (including brands and online suppliers), should you recommend something other than a 6H23n tube for the AI M3A.
celander

Showing 1 response by georgehifi

georgehifi's avatar
georgehifi
10,312 posts
 
The Audible Illusions M3A runs it’s tubes very hard, probably why they sound so good, buy in bulk whatever you get.
My friend changes his every year with 3hr or so every night listening, and he hears the difference with the new ones every time with the same ones, from "New Sensor" he bought in bulk lot got them cheaper.
https://www.newsensor.com/ProductListing.aspx?CatId=31

Cheers George
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