Collection: ECC81 / 12AT7 Preamp Tubes

The ECC81 / 12AT7 is a 9 pin medium gain dual triode. Often used in guitar amplifiers but sometimes used in other audio equipment. It's still a common tube and is made by all the main manufacturers.

The ECC81 / 12AT7 is a 9 pin medium gain dual triode. Often used in guitar amplifiers but sometimes used in other audio equipment. It's still a common tube and is made by all the main manufacturers.