2a3eh Matched Pair Electro Harmonix Gold

GOLD PLATED GRID   The 2A3EH gold vacuum tube is a triode with coated filament in the glass bulb, designed to amplify low frequency power in radio engineering devices.   Code QD-2A3EH Heig

The Electro Harmonix KT90-EH tube is a direct replacement for any KT88 or 6550 tube. It has extended specifications for improved performance and longevity over a standard KT88.

The 6550EH offers excellent linearity, power handling capacity, heat dissipation. Four-pillar construction and mica spacers maintain a rugged mechanical reliability. Classic tone is sustained at a...

PLATINUM MATCHED   The 6550EH offers excellent linearity, power handling capacity, heat dissipation. Four-pillar construction and mica spacers maintain a rugged mechanical reliability. Classic tone...

The 6550EH offers excellent linearity, power handling capacity, heat dissipation. Four-pillar construction and mica spacers maintain a rugged mechanical reliability. Classic tone is sustained at a...