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.