warm, musical, low-noise, excellent clarity + detail, the military issue special edition 6au6wc / 6136 is a top sonic contender
ge joint army navy boxed, this premium top shelf low noise upgraded ef94/6au6 is essential for special apps like tube mics
the uncolored sound stage is revered for sound reproduction in a variety of hifi applications including vocals / instruments / mics
6au6a feature defined warm up times, higher heater cathode ratings + stable performance under variable temp/shock conditions
many listeners+producers mention these as a low noise improvement over many russian+chinese 6j4p varieties which fail fast
great mic and power supply upgrade for sony c800g, c37a, warm audio wa8000, golden age ga8000, altec21 mics
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 postage!
some hifi apps for premium grade 6au6wc / 6136 low noise editions (6au6 upgrade) include:
schoeps cm61 mic ~ sony c800/g mic ~ sony c37a ~ altec 21 ~ calrec
mcIntosh mr fm tuners ~ ma 6 multiplex mr 66 adapter (x 1)
mr 55 tube am-fm /mono (x 3) ~ mr 55A tube am-fm mono (x 4)
mr 65 tube/mono (x 4) ~ mr 65b tube fm tuner stereo (x 4)
mr 66 tube mono/stereo (x 4) ~ mr 67 tube fm tuner stereo (x 3)
mr 71 tube fm/stereo (x 4) ~ mx 110 (x 3)
warm audio wa8000 ~ stam audio sa800g mk1
golden age premier ga800 + more apps!
authentic vintage hifidelity audiophile / preamp / mic tube curation by caliacoustics
see our official website for new arrivals, reserve/request options, limited special editions
+ rare true-nos sealed box + pinched waist + high-resolution headphones