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Adjust the Volume and Mute Remotely Located Speakers and Magnify Impedance by a factor of 2, 4 or 8
Niles Audio MVC100R Automatic Muting Volume Control with Selectable Impedance Magnification, White
Niles Audio MVC100R Automatic Muting Volume Control with Selectable Impedance Magnification, White
Niles Audio MVC100R Automatic Muting Volume Control with Selectable Impedance Magnification, White
Item# 6750WH
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Overview

  • Programmable Automatic Muting Circuit
  • Built-in Speaker Relay
  • Power Handling: 100 Watts per Channel RMS
  • 200 Watts Peak
  • Selectable Impedance Magnifying: 1X, 2X, 4X, 8X
  • 12-step Control, 54dB Maximum Attenuation
  • Removable Screwless Connectors Accommodate Up To 14-gauge Wire
  • Pop-free Switching between All Steps
  • Removable Knob and Decora Snap-in Color Inserts For
  • Recommended For Use with Niles Audio VCS HUB4 Speaker Distribution Hub
  • UL Listed To Comply With Local Building Codes
  • Dimensions: 1-5/8" Wide X 2-5/8" High X 2-9/16" Deep
  • Requires 1-gang Electrical Box At Least 3" Deep
  • Manufacturer Warranty: 10 year limited

Essential Info

The Niles Audio MVC100R Automatic Muting Volume Control with Selectable Impedance Magnification is a high power, muting stereo speaker volume control that connects between the speaker-level output of an amplifier, speaker selector, or a Niles Audio VCS HUB4 distribution hub and a pair of speakers. The MVC100R adjusts the volume of speakers connected to it by attenuating the amplifier signal. To assure minimal dissipation of internal power with virtually no power wasted as heat, Niles Audio volume controls use autoformers instead of L-pads as the volume controlling element.

The MVC100R is an impedance-magnifying (IM) volume control. Unlike other brands, it has additional autoformer windings that magnify the impedance of connected speakers, while allowing all 12 steps to adjust the volume of the sound. Switches on the PC board select these windings. With the volume control providing impedance protection for your amplifier, you can create systems with no additional impedance-matching devices between the volume control and the amplifier.

In a typical application of IM controls, a system has eight pairs of 8-ohm speakers throughout the house and in outdoor locations. Connect each pair of speakers to an MVC100/R volume control with its switch in the 8x position, eliminating the need for an external impedance-matching device to protect the amplifier. Even when playing all eight speaker pairs at once, the amplifier runs at normal operating temperatures.

Manuals/Software

More Info

Additional Features
  • Interchangeable Decora-style inserts for fast, easy color change. Inserts and knobs (sold separately) are available in a variety of colors.
  • A universal impedance-magnifying design enables the MVC100R to act as both a stereo and an impedance magnifying volume control. You can magnify the speakers’ impedance by a factor of two, four, or eight.
  • Unlike other impedance-matching volume-control products, Niles Audio IM volume controls maintain a 12-position adjustment regardless of how much impedance magnification you use, with total attenuation >48dB
  • Pop-free switching between all steps
  • Precision autoformers provide superior sonic performance, exceeding the audio quality of non-impedance magnifying volume controls
  • Isolated left and right-channel grounds ensure safety with any amplifier
  • May be used with 4-, 6-, or 8-ohm speaker systems
  • Auto-muting function enabled by 12VDC
  • Programmable to turn on with muting engaged or disabled
  • Ideal for home and commercial sound installations
  • L rated to comply with all local building codes
  • Installation requires only a screwdriver and wire stripper
  • Mounting depth of only 2-9/16". Fits into standard 18-cubic-inch one-gang junction boxes
  • Power handling: 100W/channel RMS
  • Frequency response: 20Hz to 20kHz ±2dB
  • Ten years parts and labor warranty
Important notes:
Only merchandise credit for defective items returned within 30 days of purchase. No other returns allowed on this item.
Manufacturer contact information: Niles Audio Corp, Tel: (305) 238-4373

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