“⋯⋯ With the Audio Note OTO Line SE integrated amp, you can effortlessly make the presence of your horn speakers felt.” “⋯⋯ Since the launch of the EL 84 valve, the amplifiers that use it have all worked in the push-pull mode. Although this valve is small in size, its power is not at all … Continue reading Tube World Monthly – Taming Horn Speakers with an Entry-Level Integrated Amplifiier – Audio Note OTO Line SE