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FCC Notice "Declaration of Conformity Information"
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful interference to radio
communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
Reorient or relocate the receiving antenna. Locate the antenna more than 30 feet away from the
equipment and connect it to the receiver using a shield cable.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
WARNING: Only peripherals complying with the FCC class B limits may be attached to this equipment.
Changes or modifications made to this equipment, not expressly approved by us or parties authorized by us
could void the user's authority to operate the equipment. This device complies with part 15 of the FCC
Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including interference that may
cause undesired operation.
SAFETY INSTRUCTIONS
There are two categories of Safety Instructions included in this manual:
Product Warnings, (i.e., what must never be done to assure avoiding those hazards that could
cause bodily injury or property damage); and
User Directions (i.e., what must always be done to assure the safe use of your device).
The Safety Instructions contained in this manual have been categorized in accordance with the seriousness
of the potential hazards through the use of Signal Words. Those Signal Words, and their intended
meanings, are as follows:
DANGER: Indicates that a failure to observe the Safety Instructions could result in death or catastrophic
bodily injury.
WARNING: Indicates that a failure to observe the Safety Instructions could result in serious bodily injury.
CAUTION: Indicates that a failure to observe the Safety Instructions could result in minor bodily injury or
property damage.
NOTE: Designates important information that relates to activities and/or conditions that might result in
loss of data and/or damage to your device.
Safe Use and Operation of Your Device
This equipment emits stray RF energy and will interfere with the reception of signals by airborne electronic
navigational devices or medical devices. Do not operate this equipment near any medical devices
(especially heart pacemaker).
____________________________________________________________________________________________________
356 South Abbott Avenue, Milpitas, CA 95035, USA
nuforce.com
EMAIL: salesteam@nuforce.com
1
PHONE: +1-408-627-7859
FAX: +1-408-262-6877
Skype: nuforce-sales
Manual

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Summary of Contents for NuForce MCH Series

  • Page 1 This equipment emits stray RF energy and will interfere with the reception of signals by airborne electronic navigational devices or medical devices. Do not operate this equipment near any medical devices (especially heart pacemaker). ____________________________________________________________________________________________________ 356 South Abbott Avenue, Milpitas, CA 95035, USA • PHONE: +1-408-627-7859 • FAX: +1-408-262-6877 nuforce.com • EMAIL: salesteam@nuforce.com • Skype: nuforce-sales...
  • Page 2 Manual WARNING: Use only grounded AC power cords. DANGER: If NuForce equipment and all other equipments connected to it do not have AC ground, excessive amount of radio frequency emission could occur. This will interfere with medical devices (such as pacemaker), airborne electronic navigational devices and other radio frequency receivers.
  • Page 3 The unit shows signs of improper operation • The unit has been dropped or damaged in any way ____________________________________________________________________________________________________ 356 South Abbott Avenue, Milpitas, CA 95035, USA • PHONE: +1-408-627-7859 • FAX: +1-408-262-6877 nuforce.com • EMAIL: salesteam@nuforce.com • Skype: nuforce-sales...
  • Page 4: Read Me First

    RCA will not cause this potentially damaging problem) Equipment Compatibility – The NuForce MCH amplifier has a usable power bandwidth of up to 100 kHz. As a result, the high-frequency noise and grounding flaws created by custom modifications or aging upstream components such as a CD player, D/A converter, or preamplifier may be audible as a loud hissing or buzzing noise.
  • Page 5 Manual 2. A Subwoofer that sums left and right input signals from two NuForce amplifiers’ speaker terminals 3. Grounding other audio-signal grounds to any of the speaker terminals on the NuForce amplifier 4. Using two amplifiers to drive a bi-amped, series-crossover speaker (an uncommon setup)
  • Page 6 Manual Acceptable Speaker Configurations ____________________________________________________________________________________________________ 356 South Abbott Avenue, Milpitas, CA 95035, USA • PHONE: +1-408-627-7859 • FAX: +1-408-262-6877 nuforce.com • EMAIL: salesteam@nuforce.com • Skype: nuforce-sales...
  • Page 7 The NuForce amplifier is capable of supplying high continuous current. To avoid possible damage to your loudspeakers, exercise common sense. DO NOT unplug the input or loudspeaker cables while the power remains ON.
  • Page 8 When the MCH-3SE is powered up via the switch at the rear of the unit, the display will go through three color changes and then turn off. The Nuforce logo will remain lit. This sequence indicates that the MCH-3SE has gone through its self-diagnostic drill. Note that if you power up the unit with the remote, it will not go through self-diagnostic test.
  • Page 9 Each channel can be powered On or Off separately via its power button mounted on the front panel. ____________________________________________________________________________________________________ 356 South Abbott Avenue, Milpitas, CA 95035, USA • PHONE: +1-408-627-7859 • FAX: +1-408-262-6877 nuforce.com • EMAIL: salesteam@nuforce.com • Skype: nuforce-sales...
  • Page 10 The MCH-2, available in five- and seven-channel versions, can be upgraded to the MCH-3’s higher power capability. All models in the MCH Series feature XLR inputs along with RCA inputs which can be individually trimmed for precise channel matching as well as proprietary five-way binding posts with extremely low insertion loss.
  • Page 11 Worldwide AC voltage (84VAC to 264VAC). No need for AC regulator if the AC voltage falls within the specified range. • Weight: 33 lbs ____________________________________________________________________________________________________ 356 South Abbott Avenue, Milpitas, CA 95035, USA • PHONE: +1-408-627-7859 • FAX: +1-408-262-6877 nuforce.com • EMAIL: salesteam@nuforce.com • Skype: nuforce-sales...
  • Page 12: Terms And Conditions Of Sale

    The risk of loss passes to Buyer upon delivery to the carrier at NuForce’ point of shipment. NuForce retains title to the Products until NuForce has received payment in full of all sums due in connection with the sale of Products to Buyer.
  • Page 13 Agreement, and each party hereby consents to the jurisdiction and venue of such courts. All waivers of the exercise any remedy or option provided herein, or to require any performance by Buyer must be in a writing signed by NuForce. If any provision of these Terms is declared invalid, illegal or unenforceable, all remaining provisions shall continue in full force and effect.
  • Page 14 Manual NuForce Three (3) Year Limited Warranty Reference 9 V2 SE has five year warranty. All other products in the Reference and MCH series have three year warranty. WARRANTY COVERAGE NuForce's warranty is specified in NuForce Terms and Conditions of Sale. If a defect exists, at its option...
  • Page 15 This warranty gives you specific legal rights, and you may also have other rights that vary by state or province. (c) 2007 NuForce, Inc. All rights reserved. NuForce and the NuForce logo are trademarks of NuForce Inc., registered in the U.S. and other countries...