ECC81, 12AT7, A2900, B152, B309, B739, CV455, CV4024, CV6091, E2157, E811CC, ECC801S, 6060, 6201, SMALL SIGNAL, B9A

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 amplifiers ever made use the ECC81 as the phase splitter - they make a Fender sound, well....... wonderful Many players prefer the Mullard 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, some Leak for another as well as a ubiquitous component in nearly every guitar amplifier ever made, ancient and modern.

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ECC81, ZAERIX BRANDED RFT, FUNKWERK ERFURT, BOXED, NOS, 1970S PRODUCTION

CV455, MULLARD MIL SPEC ECC81, JANUARY 1954 PHILIPS EINDHOVEN MANUFACTURE

CV455, MULLARD MIL SPEC ECC81, DECEMBER 1953 MITCHAM MANUFACTURE

CV455, MULLARD MIL SPEC ECC81, AUGUST 1952 PHILIPS EINDHOVEN MANUFACTURE

CV455, MULLARD MIL SPEC ECC81, NOVEMBER 1953 MITCHAM MANUFACTURE

CV455, MULLARD MIL SPEC ECC81, MATCHED PAIR , DECEMBER 1953 MITCHAM MANUFACTURE

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

ECC81, MULLARD, YELLOW PRINT, Tk3 B5A3, BLACKBURN, JANUARY 1965 PRODUCTION

ECC81, MULLARD, YELLOW PRINT, Tk3 B4D1, BLACKBURN, APRIL 1964 PRODUCTION

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

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

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

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

ECC81, RFT, FUNKWERK ERFURT, BOXED, NOS, 1960S PRODUCTION

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

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

ECC81, RFT, FUNKWERK ERFURT, BOXED, NOS, 1960S PRODUCTION

6201, SYLVANIA, GREEN PRINT, OCTOBER 1969 PRODUCTION

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

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

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

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

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

ECC81, MULLARD, NEWSHIELD, WHITE PRINT, FACTORY CODE, VF3 B1D2, BLACKBURN 1961 MANUFACTURE

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

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

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

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

ECC81, MATCHED PAIR OF BRIMAR 1960S MANUFACTURE

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

ECC81, MULLARD, OLD SHIELD, YELLOW PRINT, FACTORY CODE, Tk3 B4I4, BLACKBURN 1964 MANUFACTURE

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