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McIntosh MA352 Integrated Amplifier Ex-Demo
McIntosh MA352 Integrated Amplifier Ex-Demo
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Description
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.
The MA352 is packed with numerous McIntosh technologies including:
- Our patented Power Guard® technology that monitors the output signal for over driving and makes real time micro adjustments to the input signal to prevent harsh sounding clipping that could potentially damage your speakers
- Our fuse-less short-circuit protection circuit Sentry Monitor™ that will disengage the output stage before current exceeds safe operating levels and then resets automatically when operating conditions return to normal
- McIntosh Monogrammed Heatsinks™ which are connected to advanced high current output transistors that minimize thermal equilibrium lag (or warm-up) time
- High Drive headphone amplifier with Headphone Crossfeed Director (HXD®)
- A 5-band analog tone control allows for manual adjustment of your favorite recordings (each band adjustable by ± 12dB)
- Home Theater Pass Through lets it be seamlessly integrated into a home theater system
- Power Control to send power on/off signals to connected McIntosh components for easy system power up and shutdown
- Data Ports to send remote control commands to connected source components
Specifications
Specifications
McIntosh MA352 Integrated Amplifier – Specifications
Key Features
- Hybrid Drive™ design: vacuum tube preamplifier & solid state power amplifier
- 200W per channel into 8Ω / 320W per channel into 4Ω
- All-analogue design with 5-band analogue tone control (±12dB)
- Built-in Moving Magnet phono stage (adjustable loading)
- High Drive headphone amplifier with HXD® (Headphone Crossfeed Director)
- Power Guard® and Sentry Monitor™ protection circuits
- McIntosh Monogrammed Heatsinks™ and classic blue output meters
Overview
| Brand / Model | McIntosh MA352 |
|---|---|
| Product Type | 2-Channel Hybrid Integrated Amplifier |
| Preamp Section | Vacuum tube (2x 12AX7A, 2x 12AT7) |
| Power Amp Section | Solid state, direct coupled |
| Channels | 2 |
| Analogue Inputs | 2x balanced (XLR), 3x unbalanced (RCA), 1x MM phono (adjustable loading) |
| Outputs | 1x unbalanced pre-out, 2x subwoofer out, 1x 1/4" headphone (High Drive with HXD®) |
| Power Output | 200W x 2 into 8Ω 320W x 2 into 4Ω |
Electronic Specifications
| FTC Power Output Rating | 200W |
|---|---|
| Power Output per Channel | 200W into 8Ω 320W into 4Ω |
| Number of Channels | 2 |
| Rated Power Band | 20Hz – 20kHz |
| Total Harmonic Distortion | 0.03% |
| Dynamic Headroom | 1.5dB |
| Frequency Response (+0 / -0.5dB) | 20Hz – 20kHz |
| Frequency Response (+0 / -3dB) | 10Hz – 100kHz |
| Sensitivity (MM Phono) | 2.5mV |
| Sensitivity (High Level, Balanced / Unbalanced) | 0.5V / 0.25V |
| Input Impedance (Balanced / Unbalanced) | 20kΩ / 20kΩ |
| Signal-to-Noise Ratio (MM) | 82dB |
| Signal-to-Noise Ratio (High Level) | 93dB |
| Damping Factor | >200 (8Ω) >100 (4Ω) |
| Maximum Output (Unbalanced) | 8V |
Connectivity
| Balanced Inputs | 2 |
|---|---|
| Unbalanced Inputs | 3 |
| Phono Inputs (MC / MM) | MC: 0 MM: 1 (adjustable loading) |
| Upgradeable DAC Module | No (analogue-only design) |
| Digital Inputs (Coax / Optical / USB / MCT / HDMI ARC) | None |
| Preamp Outputs | 1x unbalanced variable |
| Subwoofer Outputs | 2 |
| Headphone Output | 1/4" High Drive with HXD® |
| Home Theater PassThru | Yes |
| Speaker Binding Posts | Gold-plated, standard McIntosh posts |
| Service Port | 1 |
Control & Features
| Tone Controls | 5-band analogue EQ (±12dB) |
|---|---|
| Tone Bypass / Input Assign | Yes |
| RS232 Control | Yes |
| Power Control Outputs | 1 |
| Data Ports (rear) | 2 |
| Rear Panel IR Input | Yes |
| Input Level Match | Yes |
| Protection | Power Guard®, Sentry Monitor™ |
General
| Amplifier Topology | Hybrid: vacuum tube preamp, solid state power amp |
|---|---|
| Output Type | Direct coupled |
| Output Meters | Dual blue Watt meters |
| Chassis | Dual-layer, polished stainless steel |
| McIntosh Monogrammed Heatsinks™ | Yes |
| Power Requirement | 120V ~ 50/60Hz, 6.0A (region-specific variants available) |
| Standby Power | <0.5W |
Dimensions & Weight
| Dimensions (W x H x D) | 17.5" x 9.875" x 17.4375" (44.5cm x 25.1cm x 44.3cm) |
|---|---|
| Net Weight | 66 lbs (29.9 kg) |
| Shipping Weight | 75 lbs (34.0 kg) |
| 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 |
| CONNECTIVITY | |
| Balanced Input | 2 |
| Unbalanced Input | 3 |
| Phono Input Moving Coil | 0 |
| Phono Input Moving Magnet | 1 (adjustable 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 | 1 |
| Headphone Output | 1/4" High Drive with Headphone Crossfeed Director (HXD®) |
| Subwoofer Output | 2 |
| AM/FM Tuner option | No |
| Home Theater PassThru | Yes |
| Unbalanced Analog Connector Type | Standard |
| Speaker Binding Post Type | Standard |
| Service Port | 1 |
| 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 | |
| Unit Dimensions (W x H x D) | 17-1/2" (44.5cm) x 9-7/8" (25.1cm) x 17-7/16" (44.3cm) |
| Unit Weight | 66 lbs (29.9 kg) |
| Shipping Weight | 75 lbs (34.0 kg) |
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Delivery & Returns
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.
