MCINTOSH MA12000

Power Output per Channel 350 Watts
Number of Channels 2
Speaker Impedance 2, 4, or 8 Ohms
Rated Power Band 20Hz to 20kHz
Total Harmonic Distortion Preamplifier: 0.03%
Amplifier: 0.005%
Dynamic Headroom 1.5dB
Frequency Response +0,-0.5dB 20Hz to 20kHz
Frequency Response, +0, -3dB 10Hz to 100kHz
Sensitivity Phono (Moving Coil) 0.30mV
Sensitivity Phono (Moving Magnet) 3.0mV
Sensitivity High Level (Balanced / Unbalanced) 600mV/300mV
Sensitivity (Power Amp input) 1.7V
Signal To Noise Ratio (Moving Coil) 75dB
Signal To Noise Ratio (Moving Magnet) 77dB
Signal To Noise Ratio (High Level) 95dB
Signal To Noise Ratio (Power Amp input) 114dB
Input Impedance (Balanced / Unbalanced) 44K/22K
Damping Factor >40
Maximum Output (Balanced / Unbalanced)
8V Unbalanced
16V Balanced
CONNECTIVITY
Balanced Input 2
Unbalanced Input 6
Phono Input Moving Coil 1 (adjustable loading)
Phono Input Moving Magnet 1 (adjustable loading)

Upgradeable Digital Audio Module 
Yes: DA2
Digital Coaxial Input 2
Digital Optical Input 2
Digital MCT (DIN) Input 1
Digital USB Input 1
HDMI (ARC) Input 1
Balanced Variable Output 1
Unbalanced Fixed Output 1
Unbalanced Variable Output 1
Headphone Output
1/4" High Drive with Headphone Crossfeed Director (HXD®)
Subwoofer Output 0
AM/FM Tuner option NoHome Theater PassThru Yes
Unbalanced Analog Connector Type
Premium gold-plated solid brass

Speaker Binding Post Type
Patented Solid Cinch™ Speaker Binding Posts

Service Port 1

DIGITAL AUDIO SPECIFICATIONS
Digital-to-Analog Converter (DAC) Type
8-channel, 32-bit/384kHz PCM/DSD, Quad Balanced
Digital Coaxial Input Sample Rate 24-bit/44.1kHz to 192kHz
Digital Optical Input Sample Rate 24-bit/44.1kHz to 192kHz
Digital MCT (DIN) Input Sample Rate 16-bit/44.1kHz (CD) 
DSD64 (SACD)
Digital USB Input Sample Rate 32-bit/44.1kHz to 384kHz (PCM)
DSD64, DSD128, DSD256, DSD512, DXD352.8kHz, DXD384kHz

CONTROL 
Tone Controls 8-Band
Tone Bypass and Input Assign Yes
RS232 Control Input Yes
Power Control Output 1 Main, 2 Trigger

Rear Panel Data Port 4

Rear Panel IR Sensor Input Yes

Input Level MatchYes

GENERAL SPECIFICATIONS
Vacuum Tube or Solid State
Preamplifier: Vacuum Tube
Amplifier: Solid State

Output Type Autoformer™

Output Meters Yes

Dual Layer Chassis Yes

Chassis Finish
Polished stainless steel & black painted steel

McIntosh Monogrammed Heatsinks™ Yes

Power Requirement
120V, 50/60Hz, 6.6A

Standby Power Requirement <0.25 Watts

WEIGHTS & DIMENSIONS

Dimensions (W x H x D)
17-1/2” (44.5cm) x 9-7/16” (24 cm) x 22” (55.88cm) including knobs, connectors and cables

Weight
108 lbs (48.9kg)

Shipping Weight
141 lbs (63.9kg)