Item # 212030 | Customer Ratings: 
(Based on 2
reviews)
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All Ruby output tubes are labeled on the base with the exact matching measurements for plate current and transconductance. By matching these parameters, optimal performance and long life are ensured for your amplifier. Ruby Tubes come with a 6-month replacement warranty.
6 month warranty on all tubes.
Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!
Pro Coverage includes:
For the price, these babies are awesome. I've only had them for a week, so who knows how long they will last. But I slapped them in my old peavey and they sound great. If they last long, I'd buy another set next time I need 'em.
I put these tubes in my B52 AT-100 head and was absolutely blown away. Warm, smooth, articulate, sweet breakup, are a few words that come to mind. Don't be scared that these are Chinese tubes. They are sweeeet and priced right if you get them 2 or 4 at a time. Make sure you re-bias your amp to the new tubes' rating. Bottom Line is these tubes sound great!!!
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