Electro Harmonix EL34 Platinum Matched Quartet

The Electro-Harmonix EL34EH is extremely musical and predictable with a sound that is rich, smooth, and detailed without being edgy.  It is the perfect EL34 for vintage equipment and a sure way to improve the performance of modern equipment. Platinum matched set, process consists of a 24 hour tube burn-in period followed by a bias (plate) current measurement in milliamps.