Description

in many sound systems, tesla often best all others by some margin, while some rank second only to telefunken sonically these old production are truly collectible, w/ lore telling us they utilized telefunken influence, tooling, and precious metals (these are the warmest best versions to hear, and will outperform any military color tip editions other sellers push) the lean qualities some telefunken exhibit, has been adjusted, w/ a clear transparent detailed presentation by tesla the added weight and warmth , important for giving you necessary insight into recordings, reveals more than other brands live-concert realism and vinyl style intimacy, more sweet than romantic, as you hear every little detail w/ articulate definition incredible presence especially on vocals! (tesla are one of the most popular tube mic upgrades, w/ bigger badder wider mids) sought after audiophile crown jewels, the unique legendary bass curve is highly revered, deep and clean, and not too punchy compared to mullard gt britain series, these will tonally breakup quicker, w/ a little more bite/resolution also compared to siemens germany, these have more body, and will stay in control at higher volumes latest customer review: 'incredible tube! every bit as good as amperex usa 7308 if not better ...warm detailed complexity yet easy to listen to, such impressive linear imaging!' 2 x rare old stock special edition e88cc tesla (6922/cca) branded or plain boxes included these long life 10k hour e88cc are premium grade 6dj8 ecc88 w/ gold pins and grey plates + undergoes a complimentary value-added refurbish + deoxit process! one of a kind seller quality control full mutual conductance gm test: pristine pair: 125/130 ~ 125/130 % gm (65 % good) our high power output test simulates circuits and applies up to 250v, more than many other testers + life test pass (important longetivity indicator) + an impeccable leak / short / gas check give several sessions or up to 150+ hours w/ your specific amps voltage to fully break-in / cure ships fast well packed worldwide w/ free economy postage! ~authentic vintage hifidelity audio / mic / preamp / power tube curation by caliacoustics~ see our site for new arrivals + reserve/request pricing + true nos sealed box rarities + pinched waist collectibles + limited run special editions + ultra high-res headphones