 | 7591A, Electro-Harmonix 7591A Electro-Harmonix Power Tube | Varies by Option More Details |
 | 6973, Electro-Harmonix Electro-Harmonix 6973 Power Tube | Varies by Option More Details |
 | 12AU7A / ECC82, Electro-Harmonix Electro-Harmonix 12AU7A / ECC82 Vacuum Tube Medium-Mu twin triode for use in preamplifier and driver circuits. | $10.95 More Details |
 | 6922 / E88CC, Electro-Harmonix High frequency twin triode preamplifier tube used in studio and hi-fi equipment. | $12.95 More Details |
 | 7868, Electro-Harmonix Replacement tube for NOS and current production 7868. Get that Ampeg or Fisher in working order again! Available in singles or matched | Varies by Option More Details |
 | 5U4GB, Electro-Harmonix Electro-Harmonix 5U4GB Vacuum Tube Straight bottle full-wave rectifier. | $12.75 More Details |
 | 6550, Electro-Harmonix Electro-Harmonix 6550 Vacuum Tube Rugged beam tetrode power tube used in Ampeg SVT, Sunn, and hi-fi amplifiers. Uses a special high temperature leaded glass for reliability and superior vacuum integrity. Special high-temperature leaded glass for reliability and vacuum integrity. Tri-alloy plate material for maximum power and dissipation. Available in singles and matched tubes. | Varies by Option More Details |
 | 6CA7, Electro-Harmonix Electro-Harmonix 6CA7 Vacuum Tube Big bottle beam-tetrode version of EL34. Perfect EL34 replacement for Musicman amplifiers. | Varies by Option More Details |
