1 x NOS 5814A Black Plate RCA△USA + OE Box ~ Top 12AU7 ECC82 Grail Vintage Audio
The 5814a is a top shelf premium 12au7 ecc82 upgrade, rugged long-life low-noise, w/ high power at 175ma! the breath of life! black plate authentic rca audiophile 5814 crown jewel ~ revered balanced smooth musical dynamic open tone.