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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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SIEMENS ECC801S 12AT7 TRIPLE MICA PAIR Bundeswehr
SIEMENS ECC801S 12AT7 TRIPLE MICA PAIR Bundeswehr FALCON

SIEMENS ECC801S 12AT7 TRIPLE MICA PAIR Bundeswehr FALCON
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
6CA7 EL34 GE MATCHED PAIR for Fender Marshall Boogie
email for availability

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

1958 CBS Hytron 6V6 for MESA BOOGIE Mark 1 4 Lone Star
MULLARD EL34 6CA7 MATCHED PAIR DUAL HALO BLACKBURN XF2

MULLARD EL34 6CA7 MATCHED PAIR DUAL HALO BLACKBURN XF2
Telefunken < > Diamond CV492 Smooth Platinum BWB Tube

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

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

11A NOS RCA Bundesamt BWB EAGLE POWER TRIODE MATCHED PAIR
World's Best NOS 5692/6SN7 RCA Red Base Dual Triode Perfect Matched Pair

World's Best NOS 5692 = 6SN7 RCA Red Base Dual Triode Perfect Matched Pair
Siemens Halske ECC83 12AX7 "LONG PLATES" mC6 NOS MATCHED PAIR 1959
email for availability

Siemens & Halske ECC83  

Characteristics:

- long plates

- double getter support

Considered the HOLY-GRAIL of the Siemens & Halske Munich West Germany tubes. This is the rerest "Long-Plate" 2-getter support audio tubes ever made, with fast response, overwhelming detail, the most realistic bass, and overall perfection in a 12AX7 / ECC83 class of tubes.  The most rare of the West German Long Plates!
Rare. Great. Made only from from 1959 to 1960.

TUBE 1: code: mC6 =/= 9I
TUBE 2: code: mC6 =/= 9J

Perfect Specifications with high mA & Gm:
Factory Spec is 1.2mA & 1,60mA/V (1,600 per triode)

Tests: 1.5mA/1.4mA (116% to 125%) and 1,98mA/V (1,910/1,900) 1.90mA/V (118 to 123) WOW!