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SIEMENS ECC801S 12AT7 TRIPLE MICA QUAD AMPLITREX TESTED
SIEMENS ECC801S 12AT7 TRIPLE MICA QUAD


 
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Product Code: SH-ECC801S-3-MICA-QUAD
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SIEMENS ECC801S 12AT7 TRIPLE-MICA QUAD - SIEMENS HALSKE WEST GERMANY - RARE MUNICH ECC801S = 6201 = 12AT7W  
VOTED # 1 BEST PREMIUM 3-MICA MUNICH W. GERMANY 12AT7 EVER MADE!  EXTREMELY Rare SIEMENS HALSKE West Germany Old Production  Almost NEVER SEEN, These are the MOST SCARCE of the ECC801S.  
Siemens Munich COPPER POSTS TRIPLE-MICA = 3-MICA!
CODES: CФ5 ≠ 1A & CФ3 ≠ 8L with # (9) & # (10) BOTTOM GLASS CODES
Tube 1: 6,230/6,200 Gm (Available)
10.2mA (102%) / 10.3mA (103%)
Tube 2: 6,230/6,200 Gm (Available)
11.2mA (112%) / 10.4mA (104%)
CODES: CФ5 ≠ 0B & CФ6 ≠ 3I  with # (3) & # (11) BOTTOM GLASS CODES
Tube 3: 5,720/6,050 Gm (Available)
9.0mA / 9.5mA
Tube 4: 5,600/5,400 Gm (Available)
9.6mA / 8.8mA
1960's FROM MUNICH, GERMANY, DARK,WARM, LIQUID MIDS, SMOOTH HIGHS, BRILLIANT MIDRANGE AND 3-D SOUNDSTAGE GALORE. TESTED BALANCED MATCHED @ 110%/110% !
SIEMENS, WEST GERMANY
HIGHEST QUALITY TRIPLE-MICA LOW-NOISE REFERENCE TUBES
Rarest  Old Production SIEMENS BEST SOUNDING MADE IN MUNICH, WEST GERMANY, TRIPLE-MICA, Halo Getters, Identical construction. Very Musical Tone with Long Life!  Almost NEVER SEEN, These are the HOLY-GRAIL of the 12AT7's the ULTIMATE ECC81!  IMPOSSIBLE TO FIND with this Quality Museum Quality Condition! Get rid of those old ECC81 and UPGRADE to SIEMENS WEST GERMANY!
These tubes are a "PROFESSIONAL SPECIAL QUALITY" Premium Quality Ultra RARE LOW NOISE alternative to the 12AT7, and the finest MADE IN W.GERMANY ECC801S
THIS WAS SIEMENS ANSWER TO THE TELEFUNKEN ECC801S 3-MICA COMPETITOR!
THE PROFESSIONAL CHOICE
AMPLITREX-TESTING + MUSEUM-CERTIFICATION AND YOU HAVE 10,000 HEATER OUR LIFE-TIME PAIR OF THE FINEST MUNICH WEST GERMAN TRIPLE-MICA 12AT7-WA = ECC801S LOW-NOISE ECC801S TUBES YOU CAN FIND!
DIGITAL TESTED AT REAL-WORLD POWER LEVELS!
..." * Rp or plate resistance is the second most important parameter as it directly affects the output impedance of the preamp. Circuit designers are looking at Mu primarily, Rp next and we hardly care about Gm at all. Why then do most vendors measure Gm and Gm alone? Because most testers only measure Gm! No commercial tester ever measured Mu either (until the AMPLITREX AT1000 was introduced.) And even the Hickock, treasured for measuring Gm, doesnít measure it meaningfully (due to current dependency), accurately (due to calibration difficulties) or consistently (due to internal circuit drift).'"...
Tested on an Amplitrex AT1000 Digital Lab Tube Test System
Would you feed yourself without knowing the ingredients? Of course not, so don't feed your precious tuner a tube not knowing the complete specifications! Here we have an perfect outstanding example of the NOS in original SIEMENS W. GERMAN AUDIO TUBES
Blind-Fold Test Reviews:
VOTED # 1 BEST PREMIUM 3-MICA MUNICH W. GERMANY 12AT7 EVER MADE!
Siemens SIEMENS ECC801S 12AT7 TRIPLE MICA PAIR sound characteristics: The first dimension to concentrate on is the spatial one, music appears boundless and the three-dimensional extent in which the musicians and musical passages occur have relative position and direction, detailed musical images and holographic instrument placement in room quite noticeable. While listing to Miles Davis SKETCHES OF SPAIN on vinyl with Gil Evans I can hear, see, and feel Miles sitting on a stool in a section in my listening room, a trio of trumpet, trombone and flute behind him. As if the members of the band are right in the room with you.
Ready to enjoy with original Siemens strict factory burn-in however increasingly energetic with burn-in over time. While listening DEBUSSY La Mer and Prelude to The Afternoon of a Faun on Infinity Digital (QK 64334) Vato Kahl orchestra responds realistically with varying loudness or volume of a episode or the attention getting markings that indicate the loudness to sudden silence as if in a vacuum in outer space, we lost all sense of time and real out-of-body experience. Very quiet and lowest micro phonics of any 12AT7 premium tube , crystalline transparency having the property that the music passes through you almost undisturbed, such that one can hear through it quite clearly.
On Pat Metheny SECRET STORY (Geffen 24468) track 3; CATHEDRAL IN A SUITCASE we experienced true real bass response with all the true sub-sonic lows that make loose object vibrate in your room at medium high volumes, mids and highs that do not promote 'ear-fatigue' crisp, sharp, dynamic symbols with bell tones that will put shivers up your spine, perhaps the BEST premium 3-mica vintage 12AT7/6201 ever.

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