Hoffman Amplifiers Tube Amplifier Forum
Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: PRR on February 21, 2017, 01:28:28 pm
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Hoffman no longer stocks Sovtek 6550. The ones I got from him a few years back were rock-solid, IMHO sturdier than vintage Tung-Sol coke-bottles.
Antique Electronic Supply has put their Sovtek 6550WE on clearance (https://www.tubesandmore.com/products/6550we-sovtek). $28 a pop, matching 50 cents/tube extra. While I don't usually tout sales, if you have a mass-6550/KT88 amp, this is worth investigating. Their other 6550/KT88s run from a little cheaper to much more costly.