1 x NOS 5814A Black Plate RCA△USA + OE Box ~ Top 12AU7 ECC82 Grail Vintage Audio

Description: radio corp of america has a long tenured audio tube history, known for their premium quality, engineering, and sound qualitythe breath of life! black plate authentic rca audiophile 5814 crown jewel ~ revered balanced smooth musical dynamic open toneneutral uncolored harmonics, dimensional frequency bloom, and revealing detail, all contribute to the collectible lore of old rcathe legendary black plate carbide coating radiates heat better, reduces plate temps faster, and enhances tonal characteristicsrevered for their goldilocks qualities, the short black plates have more head room, last longer, and are less susceptible to noise the 5814a is a top shelf premium 12au7 ecc82 upgrade, rugged long-life low-noise, w/ high power at 175ma! 1 x old stock authentic△ rca usa 5814a, (12au7wa/e82cc) w/ nice to fair silkscreens, and w/ oe rca box included+ undergoes a complimentary refurbish and deoxit process ~ one of a kind value-added quality control! full mutual conductance gm test, pristine balance, several singles in stock: tube1: 104/103 % gm ~ tube2: 105/105 % gm ~ tube3: 108/110 % gm (65% min good) tube4: 110/110 % gm ~ tube5: 112/113 % gm ~ tube6: 120/122 % gm ~ tube7: 130/130 % gm (65% min good) + important life test pass (a key longetivity indicator) + gas/leak/short check give several sessions or up to 150+ hours w/ your specific amps voltage to break-in / fully cureships well packed worldwide w/ free economy postage! ~ authentic vintage hifidelity audiophile mic tube / power tube / preamp tube curation by caliacoustics ~see our official site for reserve/request options + new arrivals + true-nos sealed box rarities + limited run special editions + ultra high-res headphones + pinched collectibles

Price: 249 USD

Location: Redondo Beach, California

End Time: 2024-12-12T16:08:56.000Z

Shipping Cost: 0 USD