1 NOS Military Mullard CV4010 ~ Premium EF95 6AK5 5654 Telefunken CU29 LittleDotAmps Yaqin 6J1 ~ Dynamic Musical Smooth Detailed Upgrade

audiophile crown jewels, the cv4010 are special high quality military grade ef95 6ak5, and great 6j1 chinese upgrades

a great dynamic performer, the warm musical presentation captures wide sonic depth with a balanced frequency/bass response

mullards also provide 3-dimensional sound stage imaging, and the smooth midrange textures/inner detail reveal are outstanding

the cv4010 is rugged in construction for high vibration application operation, and includes the original box/carton/wrap

integral for amp/mic reliability and sound performance, top sonic echelon low noise tubes bring music and production to life

popular upgrades for little dot mk2/3/4 headphone amps, telefunken cu-29 mics, yaqin cd players, and more! see list below

full gm conductance test + leak short gas check and very useful life test pass! (a key longetivity indicator)

all tubes also undergo a complimentary proprietary value-added refurb screen + deox process! one of a kind qc

give 100+ session hours w/ your specific amps voltage to fully settle in (break-in is important)ships well packed worldwide w/ free economy postage!

6ak5 ef95 cv4010 5654 apps include: Beez Neez Mahalia Microphone CAD Trion 8000 Multi-Pattern Studio Tube Microphone (sub for 6J1P) Darkvoice 332 Hifiman EF2 USB Headphone Amplifier LAMM ML-2 amp 1999 Little Dot MKII Headphone amp Little Dot MKIII Headphone amp Little Dot MKIV SE headphone amp Little Dot Hybrid I+ Maverick Audio A1 amp Yaqin CD 2 Yaqin MS34D 2009 Yaqin MS20L Integrated amp Yamamoto CA-04 preamp Telefunken CU-29 Copperhead Mic Maverick Audio TubeMagic Hybrid Little Dot Headphone Amps, Grant fidelity units

authentic vintage hifidelity audiophile / preamp / power / mic tube curation