KT88 ELECTRO-HARMONIX KT88EH VALVE. A new geometry is utilised to reduce odd order harmonics for a sweet top end while the peak power is extended to improve low frequency response. A new glass formula body ensures long life and improved reliability. The perfect choice when the authentic sound is needed.

Electro-Harmonix is rocking the vacuum tube community with the superior quality of the “EH” series tubes. Electro-Harmonix sound effects are world renown for the soulful warmth of their analog sound and their line of “EH” premium tubes continues in this tradition of classic tone. Electro-Harmonix’s KT88 EH — the “Ultimate KT88