1x NOS 12AU7 ECC82 Philips Amperex 1967 Holland NL Heerlen⊿ 7 ~ Holy Grail Audio
Specifications
| Return Shipping Will Be Paid By | Buyer |
| All Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 14 Days |
| Refund Will Be Given As | Money Back |
| Brand | amperex philips |
| Type | Vacuum Tube |
| Country/Region Of Manufacture | Netherlands |
the breath of life! vintage philips amperex white label are revered bugle boy alternatives, made in heerlen holland 1967one of the best ranked 12au7 ecc82 variants ever made w/ the textbook dutch 'house sound', lively, transparent, expansive midsthe shimmery musical warm resolve adds articulation to a variety of instruments, percussion, acoustics, and especially vocals!rich vinyl style intimacy, a spacious vivid sound stage, deep yet controlled bass depth, and pin-point responsive accuracythick seam-top flashing, rugged mica stabilizer unique to 1967, and philips frame grids, all capture high resolution imagingthe ultra low noise, top quality metallurgy, and holographic sound reproduction, all contribute to amperexes collectible lore 1 x old stock philips amperex holland 12au7 ecc82 w/ nice silkscreen (siemens branding release)authentic 1967 visible heerlen etch code ⊿ 7j2 and amperex (or siemens box) included upon requesttwice tested, audio screened, and underwent a complimentary refurbish + deoxit process ~ one of a kind value-added qc full mutual conductance test, pristine balance: 116/117 % gm (65 % min good)our high power mutual gm output test applies 250v w/ filtered dc, much more than other testers+ important life test pass (longetivity indicator) + impeccable leak / short / gas test give 150+ session hours w/ your amps voltage to fully cure / break-inships well packed worldwide, and free economy postage! ~ authentic vintage hifidelity audio / preamp / mic / power tube curation by caliacoustics ~see our official site for new arrivals + limited editions + sealed-box true-nos rarities 1) holographic sound reproduction (amperex usa + telefunken / siemens germany + mullard gt britain + heerlen holland) 2) long-listen / full frequency extension + musical (heerlen holland + siemens germany + mullard gt britain + tesla czech) 3) natural tone w/ flat mid-band and linear 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 rich dynamic sound reproduction (amperex usa / heerlen + siemens germany + mullard blackburn + bugleboy)6) clear layered extended detail and subtle tone compression (telefunken / lorenz germany + tungsram hungary + tesla czech)
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