With fully coupling output transformers which is the best structer of output transformer, It is made with specialised techinic on secondary,The turns of wire on seconday is exactly same as primary,That thus no signal loss.
The amplifier has one pair step-up input transformer at input stage, It is plugable and can be removed for power amplifier application
The tube amplifier is in elegant appearance, With blonde knobs and two VU meter,Bias voltage can be adjusted.
The frequency response on 4 ohm and 8 ohm is the same, Also sounding