Description

philips amperex holland heerlen are beautiful classics, known for their lively musical precision and balanced transparent sound these vintage audiophile preamp audio tubes are great for tone rollers to experience mid '60s to early '70s dazzling tonalities the textbook dutch house sound is revered for its lush cymbal style resolve adding depth and realism to vocals and instruments the linear harmonics, full body holographic imaging, and treble dynamics, all contribute to their lore and collectibility a popular plugin sub for 6922/e88cc amps/circuits, philips amperex are also known for their low noise sound reproduction 1 x old stock philips amperex orange label 6dj8 ecc88 w/ authentic delta ⊿ etch code visible, box included + complimentary full refurb process, a value added special seller quality control full mutual conductance gm test, over 10 in stock: 120/130~120/118~114/114~96/104~95/96~80/90~84/74~82/80~78/97~70/82 % mutual gm (65 % good) our high power mutual gm output test applies up to 250v, much more than other testers + useful life test pass! (key for longetivity) + leak / short / gas test always give several sessions or up to 100+ hours to settle in and cure / break-in ships fast well packed worldwide w/ free economy postage ~authentic vintage hifidelity audio / power / preamp / mic tube curation by caliacoustics~ see our offical site for new arrivals, limited runs, special editions and true nos sealed-box rarities!