The MA252 Integrated Amplifier is the first hybrid integrated amplifier from McIntosh.
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’sboth visually and sonically stunning.
The preamplifierstage 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 usercontrol. 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 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.
Thanks to its solid state output, the MA252 is the first product containing vacuum tubes to include the McIntosh patented Power Guard® technology. Power Guard monitors the output signal for signs of overdriving 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.
|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%|
|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|
|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|
|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|
|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|
|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|
|Vacuum Tube or Solid State||Preamplifier: Vacuum Tube|
|Power Amplifier: Solid State|
|Output Type||Direct Coupled|
|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)|
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Delivery & Returns
We offer FREE delivery to the mainland UK (excluding Channel Islands, Isle of Man, Isle of White, Isles of Scilly, and some of the remote Scottish Isles).
For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.
Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.
Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.