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McIntosh MA252

2 Channel Hybrid Valve & Solid State Amplifier

Condition: New
Warranty: 3 Years
Colour: Black
HTFH Cat. No.: EB69
  • 100 Watts per channel at 8 Ohms
  • 2 x 12AX7a and 2 x 12AT7 vacuum tubes
  • Retro all analogue design
  • Power Guard Technology
  • Include Sentry Monitor™, High Drive headphone amplifier
£4,500.00 Each

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McIntosh
McIntosh MA252
McIntosh MA252 McIntosh MA252

Overview

The MA252 Integrated Amplifier is the first hybrid integrated amplifier from McIntosh. Taking retro design cues from the legendary McIntosh MC275 Vacuum Tube Amplifier, the MA252 combines the best of vacuum tube and solid state circuit design to create an amplifier that’s both visually and sonically stunning.

Features

All Analog Design

The preamplifier stage uses two 12AX7a and two 12AT7 vacuum tubes housed inside stylish protective cages; the output stage is a direct coupled solid state amplifier that delivers 100 Watts per channel into 8 Ohm speakers or 160 Watts per channel into 4 Ohm speakers. An all analog design, it comes with 2 unbalanced, 1 balanced and 1 Moving Magnet phono input for turntables. All 4 inputs can be given user-friendly names in order to simplify user control. Bass and treble tone controls help fine tune your music to your personal preferences. A full range subwoofer output is included for use with a powered subwoofer to further enhance low frequencies. The MA252 features our McIntosh Monogrammed Heatsinks™ which are connected to advanced high current output transistors. These transistors eliminate the typical amplifier warm-up time so that the MA252 is in peak operating condition from the moment it’s turned on. A powerful control microprocessor is used for smooth system operation, along with some of the latest audio-grade circuit components that deliver the best possible sound.

Power Guard Technology

Thanks to its solid state output, the MA252 is our first product containing vacuum tubes to include our patented Power Guard® technology. Power Guard monitors the output signal for signs of over driving and makes real time micro adjustments to the input signal to prevent harsh sounding clipping that could potentially damage your speakers. If Power Guard is activated, the 2 vacuum tubes connected to the affected audio channel(s) will flash an amber color; they will return to their normal green color when the clipping has stopped. Other McIntosh technologies found in the MA252 include Sentry Monitor™, High Drive headphone amplifier and gold-plated speaker binding posts. Input selection, bass, treble, tone bypass, balance and input offset levels can be adjusted using the front panel knobs or the included remote control; all settings and input selection will be shown on the OLED display. The entire unit sits atop a beautiful polished stainless steel chassis with a classic McIntosh-styled die cast aluminum name badge attached to each side.

Technical Specification

McIntosh MA252

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 (DIN) Input
0

Digital USB 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 (DIN) 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

Warranty
3 Years
Manufacturer
McIntosh
Model Number
MA252
Colour
Black
Total weight
13kg
Length
457mm
Width
305mm
Height
194mm
Voltage
220v / 240v Only

Video

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