JJ 6CA7 vacuum tube is based on vintage American 6CA7s, American manufacturer's version of the EL34. It has a larger, bottle like envelope and tends to have a more warmer...
JJ 6CA7 vacuum tube is based on vintage American 6CA7s, American manufacturer's version of the EL34. It has a larger, bottle like envelope and tends to have a more warmer tone than JJ's EL34.