Mcintosh MA252 Hybrid Integrated Amplifier 2-Channel

Includes our Hybrid Drive™ technology that uses the best of vacuum tubes and solid state to produce the best sound performance
Vacuum tube preamplifier and solid state power amplifier
100 Watts into 8 Ohms
160 Watts into 4 Ohms

Electronic Specifications
Power Output per Channel
100 Watts into 8 Ohms
160 Watts into 4 Ohms
Number of Channels
2
Speaker Impedance
4 or 8 Ohms
Rated Power Band
20Hz to 20kHz
Total Harmonic Distortion
0.03%
Dynamic Headroom
1.8dB
Frequency Response +0,-0.5dB
20Hz to 20kHz
Frequency Response, +0, -3dB
10Hz to 100kHz
Sensitivity Phono (Moving Coil)
N/A
Sensitivity Phono (Moving Magnet)
3.0mV
Sensitivity High Level (Balanced / Unbalanced)
0.6V/0.3V
Sensitivity (Power Amp input)
N/A
Signal To Noise Ratio (Moving Coil)
N/A
Signal To Noise Ratio (Moving Magnet)
80dB
Signal To Noise Ratio (High Level)
97dB
Signal To Noise Ratio (Power Amp input)
N/A
Input Impedance (Balanced / Unbalanced)
20K/20K
Damping Factor
8 Ohms: >200
4 Ohms: >100
Maximum Output (Balanced / Unbalanced)
8V Unbalanced
Connectivity
Balanced Input
1
Unbalanced Input
2
Phono Input Moving Coil
0
Phono Input Moving Magnet
1 (fixed loading)
Upgradeable Digital Audio Module
No
Digital Coaxial Input
0
Digital Optical Input
0
Digital MCT Input
0
Digital USB Input
0
HDMI (ARC) Input
0
Balanced Variable Output
0
Unbalanced Fixed Output
0
Unbalanced Variable Output
0
Headphone Output
1/4" High Drive
Subwoofer Output
1 (mono)
AM/FM Tuner option
No
Home Theater PassThru
No
Unbalanced Analog Connector Type
Standard
Speaker Binding Post Type
Standard
Service Port
0
Digital Audio Specifications
Digital-to-Analog Converter (DAC) Type
N/A
Digital Coaxial Input Sample Rate
N/A
Digital Optical Input Sample Rate
N/A
Digital MCT Input Sample Rate
N/A
Digital USB Input Sample Rate
N/A
Control
Tone Controls
Bass and Treble
Tone Bypass and Input Assign
Yes
RS232 Control Input
No
Power Control Output
1
Rear Panel Data Port
1
Rear Panel IR Sensor Input
No
Input Level Match
Yes
General Specifications
Vacuum Tube or Solid State
Preamplifier: Vacuum Tube
Power Amplifier: Solid State
Output Type
Direct Coupled
Output Meters
No
Dual Layer Chassis
Yes
Chassis Finish
Polished stainless steel
McIntosh Monogrammed Heatsinks™
Yes
Power Requirement
120V 50/60Hz, 3.7A
Standby Power Requirement
<0.5 Watts
Weights & Dimensions
Unit Dimensions (W x H x D)
12" (30.5cm) x 7-5/8" (19.4cm) x 16-1/2" (41.9cm)
Unit Weight
28 lbs (12.7 kg)
Shipping Weight
37 lbs (16.8 kg)