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This is the finest ever NOS 1960's TELEFUNKEN ULM, 46 YEAR OLD PRISTINE NOS, THE MOST SCARCE of the ECC83 12AX7 variant designed for superior QUIET performance, 50,000 hour heater-life, PERFECT BALANCE, SHOCK & VIBRATION RESISTANCE, and high-bandwidth musical sound reproduction - TELEFUNKEN ULM "HOLY-GRAIL OF ECC83 12AX7 CLASS TUBES.  PRICE IS FOR THE BALANCED & MATCHED TRIODE SINGLE TUBE! Transform your McIntosh MC-225 or any other 12AX7 amp into a SONIC-DREAM with this single tube.
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WORLD BEST Telefunken ECC802S 12AU7 PERFECT TUBE PAIR WEST GERMANY
WORLD BEST Telefunken ECC802S 12AU7 PERFECT TUBE PAIR WEST GERMANY

Extremely RARE Telefunken <> ECC802S issue Made in ULM!  1960's  serial with "ULM" code ULM made ECC802S are considered extinct and searched for because of the rarity of this type of tube made in the ULM factory more info
ECC81 12AT7 BUGLE-BOY MATCHED PAIR for McIntosh MC
ECC81 12AT7 BUGLE-BOY MATCHED PAIR for McIntosh MC

ECC81 12AT7 BUGLE-BOY MATCHED PAIR for MICS McIntosh MC
EXTINCT RARE "TREBLE-CLEF" CARTOON LOGO & BUGLE PLAYER.  

NICE not often seen "Treble-Clef cartoon" on tubes! These make them more collectable and desirable

TUBE MUSEUM QUALITY  NOS BUGLE-BOY FRANCE

Picture of the Actual Tubes you will receive - boxes displayed for hisoric representation and not included

PRECISION TESTED ON AMPLITREX AT-1000 TUBE TEST SYSTEMS for the decerning audiophile

nice clean un-burned bottoms with nice pins

tube 1: 10.2mA/9.7mA

tube 2: 9.0mA / 9.8mA

Change your amp into something better with La Radiotechnique, Suresnes, France  Bugle-Boy France

ECC81 = 12AT7
more info
6CA7 EL34 GE MATCHED PAIR for Fender Marshall Boogie
6CA7 EL34 GE MATCHED PAIR for Fender Marshall Boogie
email for availability

6CA7 KT-88 GE MATCHED PAIR for Fender Marshall Boogie more info
1958 CBS Hytron 6V6 for MESA BOOGIE Mark 1 4 Lone Star
1958 CBS Hytron 6V6 for MESA BOOGIE Mark 1 4 Lone Star

1958 CBS Hytron 6V6 for MESA BOOGIE Mark 1 4 Lone Star more info
Telefunken < > Diamond CV492 Smooth Platinum BWB Tube
Telefunken < > Diamond CV492 Smooth Platinum BWB Tube

Telefunken < > Diamond CV492 Platinum "BWB" tube more info
Telefunken ECC82 12AU7 low-noise perfect pair
Telefunken ECC82 12AU7 low-noise perfect pair

Telefunken ECC82 12AU7 low-noise perfect pair more info
811A NOS RCA Bundesamt BWB EAGLE POWER TRIODE MATCHED PAIR
811A NOS RCA Bundesamt BWB EAGLE POWER TRIODE MATCHED PAIR

11A NOS RCA Bundesamt BWB EAGLE POWER TRIODE MATCHED PAIR more info
NOS "BWB" 1959 SYLVANIA 6V6GT PAIR for MESA BOOGIE 1 Fender 5E3 Tweed Deluxe Princeton
NOS "BWB" 1959 SYLVANIA 6V6GT PAIR for MESA BOOGIE 1 Fender 5E3 Tweed Deluxe Princeton

NOS 1959 SYLVANIA 6V6GT PAIR for MESA BOOGIE 1 Fender 5E3 Tweed Deluxe Princeton more info
NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO
NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO

NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO more info
1967 NOS GE USA JAN 12AX7 WA 7025 MILITARY ECC803S DIGITAL BALANCED PERFECT TRIO
1967 NOS GE USA JAN 12AX7 WA 7025 MILITARY ECC803S DIGITAL BALANCED PERFECT TRIO

1967 NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO more info