A great example of the Maestro Echoplex EP2 fully serviced and in superb working order It’s a 110v US model – will require a step-down transformer for use in the Europe or where 220 Volts. We do not recommend using cheap generic Chinese mains transformers but a high quality transformer. As one of the oldest of Maestro's Echoplex series, the EP-2, though not as famous as the following EP-3, is one of the most sought-after models. Using vacuum tubes, as well as its significance in the history of music gear, sets the EP-2 squarely in this category. Manufactured only in the early to mid '60s, the EP-2 (along with the original EP-1) is considered by many to be the best of the bunch due to its tubes