1950's RCA Blackplate 12AU7
$
99
.95
Price is for a single tube with standard testing.
NOS-12AU7-RCA-BP
These are NOS 1950's RCA black plate - square getter halo 12AU7. Highly sought after for their sweet and rich harmonic tone, these tubes will improve the sound of nearly all tube equipment.
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These NOS 50"s Blackplates sound very good in my Primaluna Dialogue Premium Preamp. Nice upper end without brightness, clear midrange , and solid low end.IMO, much better than the cleartops, which I feel are to forward and bright sounding, at least to my ears. Good tubes at a good price!
reviewed by: Mike