Based on the Dynaco A-410 Circuit with 2X EL84+ 1X ECC83. Using the Dutch Unitran 9U13 Ultra linear Output Transformer s. 5/7/15 ohm Speaker tab (3 ohm tap is available) Western Electric Cloth covered hook up wires. Extremely quiet, suit for high sensitivity speakers. The item "DYNACO A-410 Monoblock Tube Amplifiers With Unitran & Partridge Oil Transformer" is in sale since Saturday, September 18, 2021.This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps".sound" and is located in Roma. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.