Description

illuminate your sound system w/ an audiophile collectible crown jewel! truly the breath of life, the pinnacle of sound e188cc 7308 are regarded as more vivid w/ better bass than e88cc or cca, a wider reference grade audiophile sound stage professionally ranked as one of the lowest distortion tubes ever made, full frequency pure clarity king w/ pin-point accuracy e188cc 7308 also have less noise due to their rugged internals and less vibration prone to microphonics or low level tinitis the top end is sparkley w/ no roll off and a nice sense of air, and the smooth mid range provides reference grade holographics involving lower-mids are wetter than all other siemens providing a lush luminous finish, important for vocals and instruments a balanced uncolored harmonic sound stage... this minimal tone mascara equates to musical transparent sound reproduction the ruler-flat linear response is sought after for good reason, no comparison to later brighter (common) silver shield production! often compared to telefunken, siemens have less tonal compression and more depth resolution, phenomenal traction and bite carefully curated selected and screened authentic w/ authentic siemens box, plus twice tested for accuracy! add fidelity to your preamp stereo or mic today, try in the position / application that sounds best to you see our attached hard to find spec sheets and see the incredible curve reach for yourself! full parameter conductance test 105/104% gm (65 % min good) our high power gm output test applies up to 250v w/ filtered dc, more than many other testers + useful life test pass (important longetivity indicator) + leak / short / gas check + complimentary value-add refurb screen and deox process, one of a kind value-add give 100+ session hours w/ your specific amps voltage to fully cure / break-in ships fast well packed worldwide w/ siemens box ~authentic vintage hifidelity audio / preamp / mic / power tube curation by caliacoustics~ see our site for new arrivals, limited editions, true nos sealed box rarities and more! 1) holographic sound reproduction (amperex usa + telefunken / siemens germany + mullard gt britain + heerlen holland) 2) long-listen full frequency w/ pleasant extension (heerlen holland + siemens germany + mullard gt britain + tesla czech) 3) natural organic tone w/ flat mid band response (amperex usa + telefunken / siemens / valvo germany + mullard mitcham) 4) precision bass w/ depth and lush sonic resolve (heerlen holland + siemens / valvo germany + ei yugo + tungsram hungary) 5) warm musical dynamic sound stage (amperex usa / heerlen + siemens / valvo germany + mullard blackburn + bugleboy) 6) clarity w/ layered detail and subtle tone compression (telefunken / lorenz germany + tungsram hungary + tesla czech)