2x Rare Ei Yugo Elite GoldPin GoldGrid OEBox 6BQ5 EL84 NOS PowerTubes ~ 6RP15 7189 Sub ~ Grail Clear Balanced Tone Rich Vocals Great Treble Lush Warmth ~ High Energy Telefunken Alternative

audiophile crown jewel elektronska industrija nis, the last to utilize legendary telefunken tooling machinery and equipment

known for their balanced clean sound, upper register vocal treble showcase, sweet lush musicality, all w/ extended highs

the natural detailed sound stage is holographic, while retaining rich harmonics, and stage warmth ~ all part of the sonic lore

the collectible limited gold pin elite editions capture a spatial tonality, low-distortion, and even more energy than telefunken

this additional character, also imparts a nice blend of amperexes midband presence, and punchy dynamic qualities of a sylvania

+ also featuring gold grid rods, to minimize cathode current contamination, dissipate heat, and improve stage transparency

2x screened special ei elite gold pin 6bq5 el84 power tubes, the top sonic echelon ever made by ei, w/ authentic oe boxes

+ also includes freebie pin protectors and high-temp distortion-reducing dampeners (not made in china)

full mutual conductance gm test + leak/short/gas check + a life test (key longetivity indicator)

our high power output test measures the entire linear curve (eg-ip), and applies up to 250v, more than many other testers

+ undergoes a complimentary refurbish and deoxit process ~ one of a kind value-added quality control

give several playback sessions (100+ hours) w/ your specific amps voltage to fully cure and break-in

this ensures the sound stage opens up sonically, and stabilizes, all w/ no 'muted' nos sound qualities left

ships well packed worldwide