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McIntosh Labs

MC312 2-Channel Solid State Amplifier

SKU: MC312

$12,000.00
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Processing/Shipping Time

All online orders are typically processed within 1-2 business days. Orders received after 1pm EST or on weekends will be processed on the next business day.

Our business hours are Monday to Friday from 10am to 5pm EST.

Due to our inventory management practices, we do not maintain a large stock of products; instead, most items are sourced from our suppliers upon order. We do focus on having a broad selection of brands and models for in store demo purposes. This may impact shipping times, as items are procured and prepared for shipment as soon as possible. If your item is not in stock, we will send you an email to update you on the status of your order. We appreciate your understanding and patience.

  • Standard Delivery for in stock items is between 2-3 business days within Ontario & Quebec, 3-5 business days for Eastern Canada and 4-7 business days for Western Canada. Northern or remote Canadian customers should contact us to confirm shipping availability and costs. During peak sales periods (for example Black Friday, Cyber Monday and Boxing Day/Week) up to an additional 5 (five) business days may be needed.
  • Items not in stock will be shipped to our Newmarket store and then shipped to you. Turnaround time may depend on the manufacturer/distributor. If a manufacturer or distributor has stock of the item, then we can normally expect to receive the product within 10 business days at which point we will immediately ship it to you.
  • If we become aware that delivery time to you will exceed 16 business days we will contact you to confirm the order or review options.

If your product is damaged, defective, or dead on arrival you are eligible for a refund or exchange within 15 days of the product being delivered to you.  

If you are not satisfied with your purchase and would like to request an exchange, please note the following:

  • All returns and exchanges will only be accepted on products with no damage due to misuse and have all original packaging, accessories, manuals and the original sales receipt.
  • Refunds paid by credit card/PayPal will be returned in the same method payment was received when possible. Wire Transfer payments will be refunded in the form of company check or E-Transfer. For exchanges with a difference in value, the balance will be charged or refunded in the same method as the original payment was received.
  • Liptons Audio Video reserves the right to assess whether the product is defective or not. Products with physical damage will not be accepted for refund or exchange.
  • Exchanges will be offered only on non-special order items with return shipping at the buyer's expense and must be shipped with insurance reflecting the transaction value and must ship via a trackable courier/delivery company. Exchanges will only apply to unopened products received in new condition
  • Products with non matching serial numbers to either the packaging or the recorded Serial number associated with the transaction are not eligible for refunds or exchanges
  • Products with modified or missing serial numbers/UPC codes or other identifying information are not eligible for refunds or exchanges
  • Products that are not returned with all original packaging, equipment, accessories, manuals and software will not be refunded or will be charged a restocking fee at the discretion of Liptons Audio Video.
  • Products must be new and show no signs of use. Any sign of use – Including installation, scratches or other signs of use such as physical marking, painted grills, screw holes, cut wires or similar would not be returnable
  • Equipment sustaining damage from operation or misuse will be deferred to the manufacturer's warranty and replacement policies. 
  • Replaced items will be exchanged for the same model
  • If a product you purchased from us proves to be defective within 15 days from purchase, we will replace it with an equivalent new unit at no charge. If the item is returned through shipping, the exchange will be processed once we receive the parcels & confirm that the product is not working. Exchange processing will take 10-20 business days from the day we receive the parcel.


Final Sale Items/Exclusions


  • Special order items including cut to length cabling and custom furniture
  • Headphones/earbuds/in-ear headphones for hygienic reasons
  • Turntable cartridges/styli
  • Projector lamps
  • Installed in-ceiling, in-wall speakers or subwoofers
  • No refunds or exchanges on products purchased for commercial use.
  • Clearance, consignment items.

Online Order Returns/Exchanges Process

Please contact us to begin our online return process at info@liptons.ca. Once we have received the details about your order, we will generate a Return Merchandise Authorization (RMA) number and send you the RMA form to be completed and sent back with the parcel.

Pack the item back in its original packaging with all parts, accessories and manuals. We recommend packing the item into an additional box meant for shipping. Return shipping costs are the responsibility of the customer. Any damages that incur during return shipping will also be the responsibility of the customer.

In the event the item was offered free shipping, the original shipping charges and handling fees, for the returned item(s), will be deducted from the refund. If the item is refused and returned to Liptons Audio Video without record of cause and evidence of damage any return freight costs will also be deducted from the refund.

In Store Returns & Exchanges

Returns on damaged, defective and DOA products, as well as exchanges can be made in store. Please note our store hours https://liptons.ca/pages/contact and be sure to bring your receipt or online order confirmation. 

Product Warranty

All new products carry full manufacturer warranty which varies for each product category and manufacturer. Refer to the manufacturer’s warranty information for exact details. 

Demo products come with either the full manufacturer warranty or the balance of manufacturer warranty unless otherwise specified.

Open Box products come with either the full manufacturer warranty or the balance of manufacturer warranty unless otherwise specified.

Used and Consignment pieces will have individually specified warranty.  If no warranty is listed, no warranty is available, but the unit has been tested in store and determined to be working properly unless otherwise specified.

Installation Warranty

All Liptons Audio Video installations come with a one-year warranty against workmanship performed by us. Defective equipment covered under manufacturer warranty is subject to a removal and reinstallation charge of one hour at our current installation rates. Installation warranty claims can be made within one year of installation date by phone at 905-898-7133 or email at info@liptons.ca

If you have any questions or concerns regarding product returns, exchanges and warranty claims, please call is at 905-898-7133 or email info@liptons.ca

Best Stereo Power Amplifier of 2019

Prepare yourself for years and years of musical enjoyment with the MC312 Power Amplifier. A 300 Watt per channel stereo amplifier, the MC312 is a great choice to power virtually any home audio system. The full 300 Watts can be delivered to almost any speakers regardless if they have 2, 4 or 8 Ohm impedance thanks to our unique Autoformer technology.

Named Best Stereo Power Amplifier of 2019 by Secrets of Home Theater and High Fidelity. "This just may be all the amplifier you will ever need!"

The MC312 has received numerous improvements compared to our previous 300 Watt stereo amplifier. Most notably is that filter capacity has been doubled, which increases dynamic headroom an impressive 27% from 1.8dB to 2.3dB. This increase means the MC312 will be even better suited to handle wide dynamic swings in your music. Distortion prevention and bass performance also benefit from the increased filter capacity.

"A component that makes you want to listen to as much music as possible, such as the MC312, is what it is all about... It is perhaps the finest, most sophisticated amplifier I have heard in its price range in my system." - NOVO Magazine

While still looking very much like a McIntosh, the MC312 has received some key design updates. Direct LED backlighting now illuminates the front panel for improved colour accuracy. The audio output Autoformers still straddle the power transformer, but are now located in new enclosures that are capped by a single cover containing glass inserts that show the wiring diagram for each transformer. Other updates include the addition of our Monogrammed Heatsinks™ and our eco-friendly power management system. Numerous circuit components and internal wiring have also been upgraded. Balanced and unbalanced outputs have been added to enable bi-amping or tri-amping your speakers; they can also be used to connect to a secondary system if your preamplifier doesn't have enough connections, or to connect a powered subwoofer.

"When the hairs on your arms rise during a listening session, and you get a huge grin on your face, you know that (a) you're having a tremendous amount of fun, and (b) you're listening to true reference-quality equipment." - Secrets of Home Theater and High Fidelity

The MC312 is packed full of other exclusive McIntosh technologies:

  • Power Guard® that monitors and adjusts the input signal at the speed of light and makes real time adjustments to prevent harsh sounding and potentially speaker damaging clipping
  • Sentry Monitor - our fuse-less short-circuit protection circuit that disengages the output stage before current exceeds safe operating levels and then resets automatically when operating conditions return to normal
  • Power Control to send power on/off signals to other connected McIntosh components (such as CD Players, turntables, tuners and media streamers) for easy system power up and shutdown
  • Our patented Solid Cinch speaker binding posts that easily but securely attach the speaker cables to prevent them from coming loose and possibly causing a short; the binding posts are also gold-plated to prevent corrosion and ensure a quality signal is sent over your speaker cables

The MC312 sits on a beautiful polished stainless steel chassis and features the timeless McIntosh black glass front panel, illuminated logo, control knobs, aluminum end caps and a pair of fast responding blue Watt meters. Contact us at Liptons Audio Video to learn more.

Power & Performance

  • Power Output per Channel: 300 Watts @ 2, 4, or 8 Ohms
  • Number of Channels: 2
  • Total Harmonic Distortion: 0.005% maximum (from 20Hz to 20,000Hz)
  • Signal-to-Noise Ratio: 120dB Balanced / 118dB Unbalanced (below rated output)
  • Frequency Response: +0, -0.25dB from 20Hz to 20,000Hz (+0, -3dB from 10Hz to 100,000Hz)
  • Dynamic Headroom: 2.3dB (A 27% increase over the previous MC302 model)
  • Damping Factor: >40 Wideband

Audio Features

  • Output Type: Patented McIntosh Autoformer™ — Ensures the full 300 Watts is delivered to any speaker impedance
  • Circuit Configuration: Push-Pull Complementary; Quad Balanced design for ultra-low noise
  • Protection Technology: Power Guard® (prevents clipping) and Sentry Monitor™ (fuse-less short-circuit protection)
  • Thermal Management: McIntosh Monogrammed Heatsinks™ connected to advanced high-current output transistors
  • Power Management: Eco-friendly system that powers the unit off after a period of no detected signal
  • Meters: Dual-scale illuminated blue McIntosh Watt Meters with direct LED backlighting for improved color accuracy

Streaming & Connectivity

  • Analog Inputs: 1 x Balanced (XLR) pair, 1 x Unbalanced (RCA) pair
  • Analog Outputs: 1 x Balanced (XLR) pair, 1 x Unbalanced (RCA) pair (Enable bi-amping/tri-amping or system expansion)
  • Speaker Terminals: Patented gold-plated Solid Cinch™ speaker binding posts
  • System Control: 1 x Power Control (Trigger) In, 1 x Power Control Out
  • Wiring: Heavier gauge internal wiring and upgraded circuit components compared to previous generations
  • Connectivity: Purely analog solid-state signal path designed for reference-grade transparency

Installation & Dimensions

  • Unit Dimensions (W x H x D): 17-1/2" x 9-7/16" x 22" (44.45cm x 23.97cm x 55.88cm)
  • Unit Weight: 105 lbs (47.63 kg)
  • Shipping Weight: 138 lbs (62.59 kg)
  • Chassis Design: Sits on a beautiful polished stainless steel chassis with a black painted steel top
  • Handles: Features heavy-duty front panel handles for secure installation and transport

Design & Build

  • Front Panel: Signature black glass with an illuminated logo, silver aluminum end caps, and control knobs
  • Transformer Housing: New enclosures for the Autoformers and Power Transformer with integrated glass top inserts
  • Illumination: Long-lasting direct LED backlighting for the meters and front-panel nomenclature
  • Industrial Design: Updated aesthetic with a cleaner, more refined look while maintaining the classic McIntosh DNA
  • Manufacturing: Hand-built in Binghamton, New York

3 Years Limited Manufacturer Warranty

Scope and Duration of Warranty

Subject to the terms and conditions stated below, McIntosh Laboratory, Inc. (“McIntosh”) warrants to the original owner that this Product shall be free from defects in workmanship or materials for a term of three (3) years from the date when it was purchased from an Authorized McIntosh Dealer. Provided, however, that rather than the three (3) years of coverage afforded the Product generally, where applicable, vacuum tubes contained in our Products are warranted for 90 days from the date of purchase, hard disc drives and projector lamps contained in our Products are warranted for one (1) year from the date of purchase. Provided, further, that where required by state law applicable at the time of purchase, instead of commencing on the date of purchase the foregoing warranties shall commence on the date specified in such law.

Click Here To View Mcintosh Warranty Info

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