• 1 x 150 Watts vacuum tube and 1 x 300 Watts solid state • The ultimate solution for
bi-amping loudspeakers: Like MC901, the MC451 uses McIntosh’s Hybrid Drive™
technology which combines separate vacuum tube and solid state in one single
chassis • Vacuum tube section powers mid & upper drivers • Solid state section
drives woofers • Full power into 2, 4 or 8 Ohms via Unity Coupled Circuit output
transformer for tubes & Autoformer™ for solid state • Adjustable crossover filters •
Power Guard® for solid state • New Power Guard Screen Grid Sensor™ (SGS) for
tubes • Sentry Monitor™ • Quad-Balanced Design • New DualView™ Power Output
Meter • McIntosh Monogrammed Heatsinks™ • Power Control • Solid Cinch™
speaker binding posts