![]() ![]() ![]() If you are lucky enough to grab one, you'd better keep it. One that does not come often on the used market and it's easy to understand why when you get the chance to listen to it. The MC225 McIntoh amplifier is a very special piece. Other Notes: The power supply on this unit has been recapped. Fully tested and no other issues present. What is Included: Amplifier, 4 Electro-Harmonix 7591A tubes, 2 Orion 12BH7 tubes, 2 Gold Lion 12AU7 tubes, 12AX7 tube (pictured spade / banana adapters attached to binding posts not included)įunctional Notes: The amplifier pops and crackles briefly on power-up, but no signal distortion is present. The chrome along the chassis shows some light wear and a few tiny spots of corrosion as well. This item shows some wear consistent with its age but is still presentable and sounds wonderful. The lettering along the tube area and around the controls is faded as well. In addition, protection circuits such as DC protection, temperature protection, turn-on delay and in-rush protection are incorporated.Įquipped with a Blue Eyes Power Meter that displays the actual output power.Product: McIntosh MC225 Vintage Stereo Tube Power Amplifier MC-225Ĭosmetic Description: 6/10 Good overall condition and appearance with some visible cosmetic wear including a few dents, scuffs, and scratches on the transformer housings. It is equipped with a power guard in which the comparator limits the gain and controls the output distortion when the input / output waveform difference exceeds the maximum power capability, and a sentry monitor circuit which monitors the dynamic operation time, voltage and current of the output stage and controls the current to be kept within a safe level. It also protects the speakers from damage to the system, such as power transistor failures. This switch is resistant to oxidation, and enables distortion-free signal switching without contact failure for a long time.Įquipped with a wide-range output auto-former, it delivers equivalent output under both 2 Ω, 4 Ω, and 8 Ω loads while maintaining broadband characteristics. It uses an electromagnetic switch filled with inert gas. The center position of each knob is a flat position that bypasses the circuit. The President of Macintosh Laboratory, Charles Lindor himself writes his own autograph on each unit.Īlso, there is a limited number of serial numbers on the top cover.Įquipped with a 5-band equalizer that can adjust five frequencies within ± 12 dB each. Gold stainless steel panels are used for chassis and side panels.Ī high-grade speaker terminal is also used. Only 150 units of this integrated amplifier were produced to commemorate the establishment of Macintosh Japan. ![]()
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December 2022
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