Electro-Harmonix EL84EH Platinum Matched Tubes rme Gatekeeper doesn't just control volume

Gatekeeper doesn't just control volume

Variable frequency low-cut control

A durable plastic tube is included for convenient storage—and even fits a violin bow for travel-ready setups

you can tailor the sound and feel to perfectly match your musical vision

The Switchblade Pro is EHX's deluxe switching box featuring true mechanical bypass

Electro-Harmonix EL84EH Platinum Matched Tubes rme Gatekeeper doesn't just control volumeElectro Harmonix tubes are all new designs and are of excellent quality. Many OEMs use relabeled Electro Harmonix vacuum tubes in their amplifiers. If you want great sounding tubes at a very reasonable price, then Electro Harmonix tubes should be on your list.