Description

a classic big sound tube, nec nippon are revered for their neutral balanced smooth sound stage, great bass and true authority highly ranked vintage nec japan are known for their vacuum tube quality and uncolored holographic sound reproduction! take your listening/production experience to a higher level of engaging detail and immersive harmonic lush imaging transform sound reproduction and singer/vocals across multiple genres w/ more realism and rich bass resolve and texture these old type capture live-concert style lush delineation between instruments and percussion w/ ethereal warmth 2 sealed box true nos unopened collectible nec nippon japan 6ar5, carefully curated direct from japan, factory shrinkwrap hard to find! keep on your shelf for several decades more, or video your unboxing for fans and friends 6ar5 are rare mini envelope versions of the legendary 6k6, often used in akai rt preamps and tuners + more Type Heater Ebmax (V) Ec2max (V) Ppmax (W) Pg2max (W) Ikmax (mA) Gm (mmho) Mu-g1g2 Ip50(mA)(Eg2) 6AR5 6.3v 0.4A 250 250 8.5 2.5 - 2.3-2.4 - 74 (250V) if opened, give several sessions (up to 100+ hours) w/ your amps voltage to fully cure / break-in ships well packed w/ free economy worldwide postage! ~ authentic vintage hifidelity audio / mic / preamp / power tube curation by caliacoustics ~ see our official site for reserve/request pricing options + new arrivals + limited editions + sealed-box true-nos rarities + pinched waist collectibles + ultra high res headphones