McIntosh MC451

PRODUCT DETAILS

ELECTRONIC SPECIFICATIONS

Power Output per Channel-
Solid State section: 300 Watts @ 2, 4 or 8 Ohms
Vacuum Tube section: 150 Watts @ 2, 4 or 8 Ohms

Number of Channels- 1

Total Harmonic Distortion-
Solid State section: 0.005% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000Hz
Vacuum Tube section: 0.5% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000Hz

S/N below-rated output-
Solid State section: 118dB
Vacuum Tube section: 112dB

Dynamic Headroom-
Solid State section: 2.5dB
Vacuum Tube section: 1.2dB

Damping Factor-
Solid State section: >40
Vacuum Tube section: >18

Rated Power Band-
Solid State section: 20Hz to 20kHz
Vacuum Tube section: 20Hz to 20kHz

Frequency Response-
Solid State section:
+0, -0.25dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 100,000Hz
Vacuum Tube section:
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 70,000Hz

CONTROL

Remote Power Control- Yes

CONNECTIVITY

Speaker Binding Post Type

Patented Solid Cinch™ Speaker Binding Posts

GENERAL SPECIFICATIONS

Circuit Configuration-
Solid State section: Push-Pull Complementary
Vacuum Tube section: Unity Coupled

Circuit Design

Solid State and Vacuum Tube- Mono Bridge

Output Type-
Solid State section: Autoformer™
Vacuum Tube section: Unity Coupled Output Transformer

Meters- DualView™ Power Output Meter

Meter Light Switch- Yes

Balanced Input- 2 (1 Solid State or Mono, 1 Vacuum Tube)

Front Panel- Glass

Illumination- Direct LED

Chassis Style- Polished stainless steel & black painted steel

WEIGHTS & DIMENSIONS

Unit Dimensions (W x H x D)- 17-7/8" (45.4cm) x 11-13/16" (30cm) x 21-1/2" (54.6cm)

Unit Weight- 133 lbs (60.3 kg)

Shipping Weight- 159 lbs (72.1 kg)