McIntosh MA352 2-Channel Integrated Amplifier

The MA352 Integrated Amplifier is a hybrid design that combines the finest of vacuum tube and solid state audio design principles. The result is an eye-catching amplifier that enjoys the best of these two opposing audio philosophies all while reproducing music at the highest quality level.

An all analog design, the MA352 has a vacuum tube preamplifier section that is powered by a pair of 12AX7A and a pair of 12AT7 vacuum tubes; its output stage is a direct coupled solid state amplifier that outputs 200 Watts per channel into 8 Ohm speakers or 320 Watts per channel into 4 Ohm speakers – enough power to properly drive virtually any set of loudspeakers. Dual scale blue Watt meters give an accurate readout of power output for both speaker impedances.

The MA352 has 2 balanced and 3 unbalanced inputs plus 1 Moving Magnet phono input with adjustable loading for connecting a turntable. It has gold-plated speaker binding posts to help prevent corrosion and ensure a quality signal is sent over your speaker cables to your speakers. A stereo preamplifier output is available for connecting a higher-powered amplifier; it can also be used to connect 1 or 2 powered subwoofers for added low frequency performance.

ELECTRONIC SPECIFICATIONS

Power Output per Channel

200 Watts into 8 Ohms

320 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

1.5dB

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)

2.5mV

Sensitivity High Level (Balanced / Unbalanced)

0.5V/0.25V

Sensitivity (Power Amp input)

N/A

Signal To Noise Ratio (Moving Coil)

N/A

Signal To Noise Ratio (Moving Magnet)

82dB

Signal To Noise Ratio (High Level)

93dB

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

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 (DIN) Input Sample Rate

N/A

Digital USB Input Sample Rate

N/A

CONTROL

Tone Controls

5-Band

Tone Bypass and Input Assign

Yes

RS232 Control Input

Yes

Power Control Output

1

Rear Panel Data Port

2

Rear Panel IR Sensor Input

Yes

Input Level Match

Yes

GENERAL SPECIFICATIONS

Vacuum Tube or Solid State

Preamplifier: Vacuum Tube

Power Amplifier: Solid State

Output Type

Direct Coupled

Output Meters

Yes

Dual Layer Chassis

Yes

Chassis Finish

Polished stainless steel

McIntosh Monogrammed Heatsinks™

Yes

Power Requirement

120V 50/60Hz, 6.0A

Standby Power Requirement

<0.5 Watts

WEIGHTS & DIMENSIONS

• Dimensions (W x H x D)
• 17-1/2" (44.5cm) x 9-7/8" (25.1cm) x 20-1/2" (52.1cm)
• Weight
• 66 lbs (29.9 kg)
• Shipping Weight
• 75 lbs (34.0 kg)

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