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MC901 Dual Mono Amplifier
93,400.00
The ultimate amplifier for the most demanding speakers. This unique dual-chassis amplifier combines a vacuum tube section for the midrange and highs with a solid-state section for the bass, delivering a truly effortless and transparent sound.
Shipping & Delivery
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2-3 Days
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Warranty 1 year
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Specification
Overview
Processor
Display
RAM
Storage
Video Card
Connectivity
Features
Battery
General
Description
The McIntosh MC901 Dual Mono Amplifier is a revolutionary monoblock designed for ultimate bi-amplification. It uniquely combines a 300-Watt vacuum tube amplifier (for mid/treble) and a 600-Watt solid-state amplifier (for bass) within a single chassis. Each section boasts dedicated power supplies and McIntoshās signature output technologies: Unity Coupled Circuit for tubes and Autoformer⢠for solid-state, ensuring full power delivery into any 2, 4, or 8 Ohm load.
Proprietary features like Power GuardĀ® and the new Power Guard SGS⢠protect speakers and tubes. Its DualView⢠Power Output Meter independently displays each sectionās output. An internal adjustable crossover allows precise frequency tailoring. With balanced and unbalanced inputs, and iconic McIntosh aesthetics, the MC901 offers unparalleled sonic performance and flexibility.
Features
– What makes the MC901 so unique is that itās two amplifiers combined into one. Adding to the uniqueness is that each amplifier is of differing designs: the MC901 consists of a 300 Watt vacuum tube amplifier attached to a 600 Watt solid state amplifier on one unified chassis.
– The 300 Watt vacuum tube portion powers the mid and upper drivers; the 600 Watt solid state section drives the power hungry woofers.
– The full power is available to almost any speaker regardless if it has 2, 4
or 8 Ohm impedance via our Unity Coupled Circuit output transformer in the vacuum tube section or our Autoformer⢠in the solid state section.
– Each amplifier section has its own discrete power supply so neither siphons power or performance away from the other.
– Internal, adjustable crossover allows you to optimize the performance of both amplifier sections to your listening preferences.
– Features our new DualView⢠Power Output Meter that independently displays the real time power reading of each amplifier section.
– Power GuardĀ® helps prevent distortion and clipping in the solid state section. New Power Guard Screen Grid Sensor⢠(SGS) helps prevent premature vacuum tube failure by monitoring the screen grid current in the KT88 output vacuum tubes. If the current becomes too high, Power Guard SGS⢠dynamically attenuates the input signal in real time to keep the vacuum tubes operating at safe levels.
Specifications
Power Output per Channel:
– Solid State section: 600 Watts @ 2, 4 or 8 Ohms
– Vacuum Tube section: 300 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: 122dB
– 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
Multi-Channel DB25 Cable:N/A
CONNECTIVITY
Speaker Binding Post Type:
– Patented Solid Cinch⢠Speaker Binding Posts
GENERAL SPECIFICATIONS
Circuit Configuration:
– Solid State section: Quad Balanced
– Vacuum Tube section: Unity Coupled
Circuit Design:Solid State and Vacuum Tube
Mono Bridge:No
Mono Parallel:No
Output Type:
– Solid State section: Autoformerā¢
– Vacuum Tube section: Unity Coupled Output Transformer
Meters:DualView⢠Power Output Meter
Meter Light Switch:Yes
Balanced Input:
– 3 (1 Solid State, 1 Vacuum Tube, 1 Composite)
Front Panel:Glass
Illumination:Direct LED
Chassis Style:
– Polished stainless steel & black painted steel
WEIGHTS & DIMENSIONS
Unit Dimensions (W x H x D):
– 17-17/32″ (44.5cm) x 13-3/8″ (34cm) x 29-17/32″ (75cm)
Unit Weight:180 lbs (81.6 kg)
Shipping Weight:200 lbs (90.7 kg)
