Kronos AV
Kronos AV
About
McIntosh
Founded in 1949, McIntosh is known for offering distinguished home audio systems that deliver the ultimate experience in music and film. Offering products for two-channel stereo sound systems and multi-channel home theaters with surround sound, McIntosh continues to define the ultimate home audio entertainment experience for discriminating listeners around the world. Our iconic blue Watt output meter is globally recognized as a symbol of quality home audio. With a McIntosh home stereo system or home theater, listeners have the ability to create their own luxury audio experience – and truly live their music. McIntosh products are designed and handcrafted at our Binghamton, NY factory by our dedicated employees who share a passion for music and the McIntosh heritage. Since our inception, McIntosh has been powering some of the most important moments in music history and pop culture. From President Lyndon Johnson's inauguration speech to Woodstock to the famous Grateful Dead 'Wall of Sound' McIntosh has not only witnessed history, we have shaped it.

McIntosh MA252 Valve Integrated Amplifier
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  • Regular price £4,499.00
  • Available Worldwide Shipping


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.

 

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.

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.

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.

 

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.

 

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.

  • 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

WEIGHTS & DIMENSIONS

  • Dimensions (W x H x D)
    12" (30.5cm) x 7-5/8" (19.4cm) x 18" (45.7cm)
  • Weight
    28 lbs (12.7 kg)
  • Shipping Weight
    37 lbs (16.8 kg)

We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.

Express Deliveries

Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around. 

Standard Deliveries

Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person. 

If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!

Details

Delivery is FREE on all orders over £50. In order to offer FREE delivery to UK customers, we use several premium couriers to ensure your delivery arrives safe.

Most large orders (over 2kg) ship using DPD or DHL courier and smaller orders (under 2kg) by Royal Mail signed for services.

The most appropriate courier will be chosen for the items ordered to ensure the quickest possible delivery.

We can offer very generous trade in offers across the majority of our product range. 

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If you have any question, please feel free to call us on 03435236169 or email support@kronosav.com