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NOS 1961 Telefunken 12AT7 ECC81 CODE-MATCHED 45° GETTER DIAMOND AMPLITREX TESTED

NOS 1961 Telefunken 12AT7 ECC81 CODE-MATCHED 45° GETTER DIAMOND AMPLITREX TESTED


 
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$349.00
$149.95
$149.95
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Product Code: PS-TFK-ECC81-PAIR
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Description
 
PRIVATE STOCK WORLD'S BEST TELEFUNKEN ECC81 12AT7 ECC81 NOS LOW-NOISE PLATINUM PAIRS

NOS 1961 Telefunken 12AT7 ECC81 CODE-MATCHED 45° GETTER DIAMOND AMPLITREX TESTED
Matched Plate-Resistance (Rp) & Tube-Gain Mu LOW-NOISE
BEAUTIFUL NOS PRINTING - YOU RECEIVE THE EXACT TUBES with MATCHING SERIAL NUMBERS as in the pictures
Extremely RARE Telefunken <> ECC81 issue Made in ULM! 1960's 2-digit serial with 1960's decade ULM made NOS ECC81 are considered extinct and searched for because of the rarity of this type of tube made in the ULM factory - this PERFECT Matched & Balanced Pair was made in the 1960's. These are PERFECT for 12AT7 audiophile preamp and mic applications too being LOW NOISE suitable for even microphones! 'klingarm' (low microphonics). They have the Diamond (Rhombus < > tilted square) with the numbers in the bottom of the glass tube between the pins.

Wonderfully transparent and open with lightning quick speed and phenominal high end extension, accurate bass like intended by the original recording, not at all overemphasized like some other premium tubes. These are extremely low noise threshold phono-grade, very neutral with pin-point tonal accuracy, providing an outstanding balanced and uncolored sonic tapestry that will put your mind in another dimension. Performs outstanding in DACS and linestages, yielding a trouble-free reliable German workmanship that will plow through any unwanted electrical disturbances with their 10,000+ heater-hour lifespan.

Rhombus < > bottoms with diamond! (the tilted square means these tubes are 100% authentic Telefunken W. German made tubes)

They have the Diamond with the numbers in the bottoms of the glass tubes between the pins.

TESTS BETTER THAN 100% of Hickok NOS

4,000/4,000Gm = HICKOK TUBE TESTER RECOMMENDED MUTUAL CONDUCTANCE - THESE TEST GREATER @ 100% !

RARELY DO YOU FIND a PERFECTLY BALANCED & MATCHED Plate-Resistance (Rp) Pair!

Matched Plate Resistance (RP)
Matched Tube Gain (Mu)
10,000 hour rated "Triple-Mica" CONSTRUCTION LOW NOISE

FULL ULM SERIAL NUMBERS
Most ALL fragile lettering still in tact!

PERFECT SPECIFICATIONS!

ACTUAL PICTURE of Telefunken Select ECC81 Premium Audio Tubes with 45 degree angle getter-halo construction

THESE TUBES ARE ONLY FOR THOSE WHO SIMPLY MUST HAVE THE BEST PROFESSIONAL ECC81 FOR CRITICAL SONIC APPLICATION USE!

10mA/10mA = specification sheet recommended 100%

Actual tubes were tested on the State-of-the-Art AMPLITREX AT-1000 Electron Tube Test System



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