we pride ourselves on a proprietary complimentary value-added complete refurb screen and deox process
1 x old stock ei yugo 6ca7 el34 preamp audio tube w/ candle-tip seam-tops and triple micas, revered legendary tone!
these old weld plate versions are sought after by audiophiles worldwide for their phenomenal sonic detail
take your listening experience to a higher level of 3-dimensional engagement w/ immersive holographic imaging
these vintage types are also coveted for their live-concert style delineation of instruments vocals and percussion
tune and transform your sound reproduction across multiple genres w/ more realism and delicate warm intimacy
full conductance test, 4 available 106~106~107~108 % mutual gm (65% good) + important life test pass! (life = key feature for longetivity)
our unique mutual gm output test applies 225 vdc w/ filtered dc simulating real circuits + finely tuned gas and leak/short check
gm scores relate to current transfer ability, whereas gain = amplification factor, this subtle difference is based on real voltages
give 100+ session hrs w/ your specific amps voltage to fully cure
ships fast worldwide well packed w/ plain el34 boxes
authentic vintage hifidelity audio curation
