Reliable Sources for 6SN7 Tubes


Can you tube afficionados direct me to reputable, reliable sources for 6SN7 tubes? I want to try some different tubes in my Wyetech Opal Pre, to see how sound changes. Thank you.

Neal
nglazer
Not the cheapest but has pretty good stock if you check in on him.
www.tubeseller.com
I would check here and ebay.
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