McIntosh MHA50 Operation Manual

Portable decoding amplifier
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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
MHA50
Portable Decoding Amplifier
Operation Guide

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Summary of Contents for McIntosh MHA50

  • Page 1 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com MHA50 Portable Decoding Amplifier Operation Guide...
  • Page 2: Safety Instructions

    Safety Instructions or has been dropped. 14. Headphones/Earphones connected to this Digital 11. Do not expose this apparatus to dripping or splash- Decoding Amplifier may be ATTENTION: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR ing and that no objects filled with liquids, should 1.
  • Page 3: Disposal Instructions

    Lithium Battery, Disposal Instructions and FCC Information (For US and Canada Customers) CAUTION: Lithium Battery Statement for Class B digital device acc. to Long Life Lithium type battery is used inside this FCC 15.105 as following: product. To prevent the danger of fire or explosion of the internal Lithium Battery, do not overcharge or allow this —Operation is subject to the following two conditions: NOTE: This equipment has been tested and found to...
  • Page 4: Technical Assistance

    Your decision to own this McIntosh MHA50 If at any time you have questions about your McIn- If it is determined that your McIntosh product is Portable Decoding Amplifier ranks you at the very tosh product, contact your McIntosh Dealer who in need of repair, you can return it to your Dealer.
  • Page 5: Table Of Contents

    Amplifier. USB to Micro USB Cable 310590SP Thank You and Please Take a Moment ....4 2. The MHA50 internal Digital Circuitry is USB (Type-C) to MicroUSB 310600SP Technical Assistance and Customer Service ..4 designed for decoding 2-channel PCM (Pulse...
  • Page 6: Lithium Battery

    Portable Decoding Amplifier. The Power Amplifi- to Analog Converter Circuitry er section of the MHA50 will drive Headphones or • Bluetooth Wireless Input Signal Connection Earbuds to a high level of performance. • Digital Decoding...
  • Page 7 MHA50 coming from a iOS Mobile ble smartphones, tablets, etc. to establish a communication link with the MHA50. It also Portable Amplifier and the AC/DC allows connection to Computers using Windows, MAC Computer using Apple’s OS or...
  • Page 8 MHA50 Switches, Touch Screen Controls and Indicator Top End View Front View HXD Switch OFF or On settings allows for activation Standby Mode Touch of the McIntosh Crossfeed Screen Control Director Circuitry GAIN Switch has a Low or Bluetooth Push-button to acti-...
  • Page 9: How To Operate The Mha50

    When the MHA50 Multi-USB Input is connected to a Device for listening switch ON the iOS Apple Mobile Device. Green and is charging the MHA50 at the same time. When fully charged, the LED will be Illuminated Continuously. 5. Perform the standard iOS Apple Mobile...
  • Page 10 Note: If the maximum Volume Level is too high, Note: If the maximum Volume Level is too high, place the MHA50 Gain Switch in the “L” Low place the MHA50 Gain Switch in the “L” Low Device if they are ON.
  • Page 11 The MHA50 Multi-USB Input is compatible 3. The MHA50 Operation Mode LED Indicator Note: If the maximum Volume Level is too high, place the MHA50 Gain Switch in the “L” Low with PC Computers using Microsoft®, Windows will illuminate GREEN.
  • Page 12 Web Site: Operating System. http://www.mcintoshlabs.com/us/Support/ nstalling the Software Pages/Manuals.aspx The MHA50 Multi-USB Driver is included in the Under “PRODUCT CATEGORY” select downloaded software package. “Headphone Amplifiers” then under “MODEL 1. Connect the Computer USB Port Connector NUMBER” select “MHA50”. Click on “SEARCH”...
  • Page 13 For the McIntosh MHA50 Portable Decoding click on the “Set Default” button. Amplifier to function via the Computer USB Con- Note: When the MHA50 is not connected to nection, the following change needs to be made: your computer, the previous default...
  • Page 14 GREEN. changing back to GREEN in color. AC Outlet. Note: The MHA50 may also be recharged when it is 3. Select the desired computer application to connected to a Computer USB Port. Refer to Recharging the MHA50 Battery start music playback.
  • Page 15: Specifications

    Specifications Headphone Output Load Impedance Power Requirements 8 - 600 ohms 5V --- (DC), 0.7A Total Harmonic Distortion Overall Dimensions 0.005% maximum Width is 2.7 inches (7.0cm) Height is 6.1 inches (15.5cm) Frequency Response Depth is 0.6 inches (1.4cm) +0, -0.5dB from 20Hz to 50,000Hz Weight Signal To Noise Ratio (A-Weighted) 0.5 pounds (0.2 kg) net, 1.0 pounds (0.5 kg) in...
  • Page 16 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 www.mcintoshlabs.com The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A. McIntosh Part No. 04179300...

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