introduced in 1963, the legendary 7591a was an improved design w/ better screen dissipation and a low-loss base
fisher scott sherwood pilot sansui kenwood pioneer eico harmon gibson and jukeboxes were just a few to incorporate 7591a
revered by audiophiles, the solid disc-getter sylvania 7591a captures an incredible amount of natural low-register detail
warm sound reproduction w/ grey plate internals, live-concert holographic imaging w/ vinyl style intimacy
full conductance test, pristine 120 % gm (65 % min good) twice tested: 11650 micromhos
+ useful life test pass! a key longetivity indicator + an impeccable gas / leak / short check
+ complimentary value-added refurbish screening and deoxit process
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
(also see our ge usa pair: https://www.ebay.com/itm/395614326374)
authentic vintage hifidelity audiophile / preamp / mic tube curation by caliacoustics, see our website!
+ limited special editions + rare true-nos sealed box + pinched waist + high-resolution headphones