The MC451 follows the success of McIntoshโs MC901 model. A more compact product, the MC451 is strategically built so that it is easier to place within an audio system, offering 150 Watts of power from the vacuum tube section and 300 Watts from the solid-state section. The MC451 features a variety of McIntosh patented technologies including Power Guardยฎ and Power Guard SGSยฎ, Sentry Monitorโข, Autoformerโข, Unity Coupled Circuit, Solid Cinchโข speaker binding posts, Monogrammed Heatsinksโข, and a DualViewโข Power Output Meter.
Hybrid Drive Technology
The MC451 is the latest model to incorporate McIntoshโs Hybrid Drive technology. The brandโs team of engineering experts took their extensive experience to seamlessly combine both vacuum tube and solid state to develop the companyโs Hybrid Drive design that works to redefine sound performance. With Hybrid Drive from McIntosh, the highest level of sound reproduction is now available to offer flexibility in listening capabilities.
Key features
300 Watt solid state amplifierย
- Output Autoformer with 2, 4, 8ฮฉ Taps
- Power Guard and Sentry Monitor
- Solid-state input doubles as the mono input when using the internal crossover
- Separate inputs for the Vacuum Tube and Solid-state amplifiers are provided for using an external crossover
150 Watt vacuum tube amplifierย
- Unity Coupled Circuit Output Transformer with 2, 4, 8ฮฉ Taps
- Power Guard SGS and Sentry Monitor
- Direct Input for Using an External Crossover
- Illuminated Driver Tubes
Crossoverย
- 1 Knob for Solid State / Tube Balance
- 1 Knob for Crossover Frequency















