AUDIO VALVES: ECC81, 12AT7, A2900, B152, B309, B739, CV455, CV4024, CV6091, E2157, E811CC, ECC801S, 6060, 6201, TWIN TRIODE

The Mullard ECC81 was designed for RF use and is of medium impedance. It was used as a frequency changer in five station television sets. The ECC81 also makes an excellent phase splitter in modern audio applications too.

Indeed, almost all guitar amplfiers ever made use the ECC81 as the phase splitter - they make a Fender sound, well....... wonderful. Many players swear by the use of the ECC81 in the Marshall driver stage which gives a sumptuous bright and smooth tone.

Construction comprises of a glass envelope approximately 20 mm in diameter and excluding B9A button base pins the height is approximately 47 mm.

Used also in some stunning classic valve audio amplifiers – the Michaelson-Austin TVA-1 for one, some Leak for another as well as an ubiquitous component in nearly every guitar amplifier ever made, here is a list of some more recent exotica where the ECC81 does duty:-

APEX 460 TUBE MICROPHONE
ART Pro VLA Compressor
Art Pro VLA II
Atma-Spere Preamplifier MP-1 Mk. III
Audio Experience Balanced A2
Audio Experience BALANCED A2 SE preamp
Berning ZH270 amp
Berning Quadrature Z amp
CJ PV10A
Earmax Anniversary
Earmax Silver Edition
Ensemble Evocco Integrated amp 1998
Fender Bandmaster 1967
Fender 100 Watt Twin Reverb 1982
Fender Concert (II) 1983
Fender reverb tube
Fender Super Reverb - Super Reverb Phase Inverter position V6
JC Morrison custom phono
Jolida 302
Juicy Music Tercel II phono pre-amp
Kora integrated amp
Lector CDP 0.6T
Manley Reference Cardioid mic
Manley Snapper
Marshall Electronics MXLV69 Mogami Edition Studio Microphone
MXL V69 large diaphragm Tube Condenser Microphone
Presonus ADL 600 mic pre
Two Rock
Victoria Regal
VTL Tiny Triode amp
WAVAC 805 SE amp

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12AT7, ECC81, BRIMAR,Large Font, Footscray Production

12AT7, Zaerix Badged, National Union, ECC81, EIA CODE 274, BOXED, NEW

12AT7WA, Heintz & Kaufman, Gammatron, ECC81, USA 1973 production,

12AT7WA, MULLARD, MIL SPEC ECC81, 654 R8L2, MITCHAM, DECEMBER 1978 MANUFACTURE

12AV7, Tung-Sol, Similar To, ECC81, E180CC, 7062

13D9, Brimar, Large Font, Special Quality 12AT7, ECC81, Footscray Production

13D9, Brimar, Large Font, Special Quality 12AT7, ECC81, Footscray May 1964 Production

5965, 5965T, Brimar, Trustworthy, New Boxed, CV5843, E180CC, ECC81, 7062, October 1967 Production,

5965, RCA, Red Print, 17mm Anode, 52J Date Code

6060, BRIMAR, SPECIAL QUALITY ECC81, RED PRINT, MAY 1959 FOOTSCRAY PRODUCTION

6060, BRIMAR, SPECIAL QUALITY ECC81, TRUSTWORTHY, FOOTSCRAY PRODUCTION

6201, GE USA, Triple Mica, Square Getter Valve, ECC81 12AT7, Owensboro March 1965 Production

6201, SYLVANIA, GREEN PRINT, OCTOBER 1969 PRODUCTION

6414, GE OWENSBORO, 1957 PRODUCTION, TRIPLE MICA, SIMILAR TO, E180CC, 7062

B309, ECC81, MARCONI, BRITISH MADE, 1961 PRODUCTION

CV4024, BRIMAR, MIL SPEC 12AT7WA, ROCHESTER, AUGUST 1968 MANUFACTURE

CV4024, BRIMAR, MIL SPEC ECC81, MATCHED PAIR , MAY 1967 ROCHESTER MANUFACTURE

CV4024, BRIMAR, MIL SPEC ECC81, MATCHED PAIR , MAY1967 ROCHESTER MANUFACTURE

CV4024, MULLARD, MIL SPEC 12AT7WA, MITCHAM, JULY 1964 MANUFACTURE

CV4024, MULLARD, MIL SPEC 12AT7WA, WHYTELEAFE, FEBRUARY 1963 MANUFACTURE

CV455, MIL SPEC, 12AT7, ECC81, BRIMAR, MARCH 1956, STC ROCHESTER PRODUCTION

ECC801S, ZAERIX PRINTED MULLARD, 654 R1B2 MITCHAM 1971 MANUFACTURE, NOS

ECC81, MATCHED PAIR OF BRIMAR 1960S MANUFACTURE

ECC81, MATCHED PAIR OF MULLARD , YELLOW PRINT, BLACKBURN 1963/1965 MANUFACTURE

ECC81, MAZDA, NEW BOXED, CV4024

ECC81, MULLARD , YELLOW PRINT, MATCHED PAIR, SAME STAMPING CODE MG, BLACKBURN, 1965 MANUFACTURE

ECC81, MULLARD , YELLOW PRINT, MATCHED PAIR, BLACKBURN, 1965 MANUFACTURE

ECC81, MULLARD ,NEW SHIELD, WHITE PRINT, PAIR, SAME FACTORY CODE KRADLEPAK, NOS, VF3 B1C5, BLACKBURN, 1971 MANUFACTURE

ECC81, MULLARD ,NEW SHIELD, WHITE PRINT, PAIR, SAME FACTORY CODE KRADLEPAK, NOS, VF3 B1D4, BLACKBURN, 1971 MANUFACTURE