Electro Harmonix EL84 Power Tube

Duets and Quads will be matched. Price is for 1 tube.If you need a Duet, order 2. If you need a quad, order 4.

Electro Harmonix Tubes are the finest available.

Our tubes are available in platinum matched sets. The platinum matching process consists of a 24 hour tube burn-in period followed by a bias (plate) current measurement in milliamps. Please specify matched tube grouping (ie. pair, quad, sextet, etc.) when ordering (no odd-quantity groups, please).