Valve Electro Harmonic

ELECTRO-HARMONIC KT88

EL34EH ELECTRO HARMONIC MATCHED QUADS

KT88EH ELECTRO HARMONIC MATCHED QUADS

EH 6CA7 ELECTRO HARMONIC Sound Quality: Users generally find the EH 6CA7 tubes to have a sweet high end, buttery mids, and a powerful, tight, and punchy bottom end. They are praised for their musical...