electro-harmonix <250$

Superior medium-Mu Twin Triode for use in preamplifier and driver circuits. Standard replacement for all circuits requiring 12AU7/ECC82 types.• Low...

Superior medium-mu twin triode driver tube for hifi use. 3.5 watts dissipation per plate.• New design of excellent quality• Relabeled Electro-Harmo...

This classic big bottle 5U4 tube rectifier is the tube of choice for those famous, dual-rectifier amps. Clean and detailed while maintaining a warm...

Electro-Harmonix 6973 - Platinum Matched

Superior medium-mu small signal twin triode with high transconductance. May be used instead of 12AX7/ECC83 in first gain stage of various amps for ...

Rugged and wonderful-sounding Power Beam tetrode that performs flawlessly at up to 475 volts. • Specially developed cathode coating • Tri-alloy p...