Macintosh Power Amplifier "MC275 50th Anniversary, the model "MC275LE"

Macintosh, 275 limited edition, Power Amplifier "MC275",
 as 50th Anniversary, the model "MC275LE.

Limited Edition model, Gold and stainless steel chassis of which attached
with the emblem of Anniversary.

Unity couple circuit and Bifilar-wound output transformer,
inherited from the original model, realized output (4/8/16Ω) 75W +75 W.

Equipped with Tube Sentry monitor protection circuit,
which, in case of trouble, shuts down power instantly
and leads to change the illumination color of a small signal vacuum
tube in the channel which caused the defect, while usually shining green.