The Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and detailed without being edgy.
It is the perfect EL34 for vintage equipment and a sure way to improve the performance of modern equipment.
According to the technical journal, Vacuum Tube Valley, "The Electro-Harmonix EL34EH is balanced throughout the entire music spectrum.
Bass goes deep and is tight, mids are sweet and well defined, and highs are detailed and extended."