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McIntosh Power Controller Uses Thermally Protected Metal-Oxide Varistors to Keep Electronics Safe

The newly announced McIntosh MPC500 Power Controller employs thermally protected metal oxide varistors (TPMOVs), which it says are more robust than traditional MOV-based protection circuits.

McIntosh Power Controller Uses Thermally Protected Metal-Oxide Varistors to Keep Electronics Safe
The new MPC500 Power Controller from McIntosh is designed to minimize the inconsistencies of residential power quality. McIntosh expects to start shipping the MPC500 in April 2019 for $2,500.

Robert Archer · April 3, 2019

Known for its tube amplifiers and long industry legacy, McIntosh has bolstered its selection of power products through the introduction of its MPC500 Power Controller. 

Joining its existing MPC1500 Power Controller to provide integrators with a choice of McIntosh power products, the company says the MPC500 Power Controller helps to minimize the inconsistencies in power quality. 

The MPC500 Power Controller incorporates cascaded surge protection to deliver full power protection from events such as lightning strikes, surges, and from secondary events such as spikes that occur after the initial event.

Elaborating on how its latest power product protects plugged-in equipment from power events, McIntosh states the unit accomplishes AC line protection through the use of three thermally protected metal-oxide varistors (TPMOVs).

According to McIntosh, TPMOVs are "far safer" than traditional self-sacrificing MOVs that provide line-to-neutral, line-to-ground, and neutral-to-ground protection. 

To help deal with secondary surge events, the MPC500 Power Controller protects Ethernet, coaxial and other low-voltage products via Gas Discharge Tubes (GDTs), Positive Temperature Coefficient (PTC) thermistors and Transient Voltage Suppression (TVS) devices. 

In addition, the MPC500 provides electromagnetic interference (EMI) filtering of AC lines and over-and-under voltage protection. McIntosh says the over-and-under voltage protection shuts off the rear receptacles to keep connected devices safe during under voltage situations. 

Related: McIntosh Wireless Speaker System Incorporates Apple AirPlay 2, Spotify Streaming

Depending on what country the installation takes place, McIntosh outfits the MPC500 with either eight Type B NEMA 5-15R or four Type F CEE 7/3 or "Schuko" receptacles. 

Control of the receptacles is done through the rear-panel Power Control Ports or through the front-panel setup menu. 

Offering its traditional aesthetics that includes black glass, illuminated logo and aluminum end caps, the MPC500's front panel can be set up to display input voltage, the amount of current draw through the receptacles or total, apparent power. 

McIntosh MPC500 Power Controller Specifications 

  • Delivers full power protection from events such as lightning strikes and surges.
  • Provides protection from secondary events such as spikes that occur after the initial event.
  • The MPC500 accomplishes AC line protection through the use of three thermally protected metal-oxide varistors (TPMOVs).
  • Protects Ethernet, coaxial and other low-voltage products using Gas Discharge Tubes (GDTs), Positive Temperature Coefficient (PTC) thermistors and Transient Voltage Suppression (TVS) devices.
  • McIntosh says the MPC500 provides EMI filtering of AC lines and over-and-under voltage protection that shuts the rear-panel receptacles off during under-voltage events.
  • Available in a choice of either eight Type B NEMA 5-15R or four Type F CEE 7/3 or "Schuko" receptacles.
  • Traditional McIntosh industrial design that includes black front-panel glass, illuminated knobs and logo.
  • Front panel provides user information such as input voltage, the amount of current draw through the receptacles or total and apparent power.
  • Ships in April 2019 at an MSRP of $2,500.


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  About the Author

Bob is an audio enthusiast who has written about consumer electronics for various publications within Massachusetts before joining the staff of CE Pro in 2000. Bob is THX Level I certified, and he's also taken classes from the Imaging Science Foundation (ISF) and Home Acoustics Alliance (HAA). Bob also serves as the technology editor for CE Pro's sister publication Commercial Integrator. In addition, he's studied guitar and music theory at Sarrin Music Studios in Wakefield, Mass., and he also studies Kyokushin karate at 5 Dragons in Haverhill, Mass. Have a suggestion or a topic you want to read more about? Email Robert at robert.archer@emeraldexpo.com

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  Article Topics


Networking & Cables · Power Protection · News · Products · Mcintosh · Power Conditioning · Power Protection · All Topics
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