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 RU KDV EHHQ GURSSHG 14. Headphones/Earphones connected to this Digital  'R QRW H[SRVH WKLV DSSDUDWXV WR GULSSLQJ RU VSODVK- 'HFRGLQJ $PSOLILHU PD\ EH ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR LQJ DQG WKDW QR REMHFWV ¿OOHG ZLWK OLTXLGV VKRXOG 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 H[SORVLRQ RI WKH internal Lithium Battery, do not overcharge or allow this ²2SHUDWLRQ LV VXEMHFW WR WKH IROORZLQJ WZR FRQGLWLRQV 127( 7KLV HTXLSPHQW KDV EHHQ WHVWHG DQG IRXQG WR...
  • Page 4: Thank You

    Your decision to own this McIntosh MHA50 ,I DW DQ\ WLPH \RX KDYH TXHVWLRQV DERXW \RXU 0F,Q- If it is determined that your McIntosh product is 3RUWDEOH 'HFRGLQJ $PSOLILHU UDQNV \RX DW WKH YHU\ tosh product, contact your McIntosh Dealer who in need of repair, you can return it to your Dealer.
  • Page 5: Table Of Contents

    Code Modulation) and DSD (Digital Stream-  +HUHE\ 0F,QWRVK /DERUDWRU\ ,QF GHFODUHV WKDW General Information ..........2 Digital) Digital Audio Signals. the MHA50 is in compliance with directive 0+$ 4XLFN 6WDUW ...........2 - 8  7KH Portable Decoding Amplifier is designed to 2014/53/EU.
  • Page 6: Introduction

    3DWK 7KH\ DOVR SURYLGH WKH DELOLW\ IRU UHFKDUJLQJ 3RUWDEOH 'HFRGLQJ $PSOLILHU 7KH 3RZHU $PSOLIL- to Analog Converter Circuitry WKH LQWHUQDO EDWWHU\ er section of the MHA50 will drive Headphones or ‡ 'LJLWDO 'HFRGLQJ (DUEXGV WR D KLJK OHYHO RI SHUIRUPDQFH ‡ %OXHWRRWK :LUHOHVV ,QSXW 6LJQDO &RQQHFWLRQ 7KH EXLOWLQ 'LJLWDO WR $QDORJ &RQYHUVLRQ...
  • Page 7 MHA50 Connections 7RS (QG 9LHZ AC/DC Power Adapter Connection of the AC/DC Power Adapter provides recharging FDSDELOLWLHV IRU WKH 2XWSXW &RQQHFWLRQ IRU G\QDPLF +HDGSKRQHV RU (DUEXGV 0+$ 3RUWDEOH with a 3.5mm stereo mini phone plug for listening Amplifier %RWWRP (QG 9LHZ Multi-USB 2.0 Micro Input Connection for the Digital Audio Signal coming from devices...
  • Page 8 MHA50 Switches, Touch Screen Controls and Indicator 7RS (QG 9LHZ )URQW 9LHZ +;' 6ZLWFK 2)) RU 2Q settings allows for activation 6WDQGE\ 0RGH 7RXFK of the McIntosh Crossfeed Screen Control Director Circuitry GAIN Switch has a Low or %OXHWRRWK 3XVKEXWWRQ WR DFWL-...
  • Page 9: How To Operate The Mha50

    :KHQ WKH 0+$ LV VZLWFKHG 2Q 7KH L26 86% RU 0XOWL 86% ,QSXW LV Green selected. and the iOS device or the Multi USB is connected to the MHA50.  7KH 0+$ 2SHUDWLRQ 0RGH /(' ,QGLFDWRU will illuminate GREEN. It will Automatically...
  • 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 Note: If the maximum Volume Level is too high, 7KH 0+$ 0XOWL86% ,QSXW LV FRPSDWLEOH  7KH 0+$ 2SHUDWLRQ 0RGH /(' ,QGLFDWRU place the MHA50 Gain Switch in the “L” Low with PC Computers using Microsoft®, Windows will illuminate GREEN.
  • Page 12 ³+HDGSKRQH $PSOLILHUV´ WKHQ XQGHU ³02'(/ 1. Connect the Computer USB Port Connector 180%(5´ VHOHFW ³0+$´ &OLFN RQ ³6($5&+´ to the Multi-USB Connector on the MHA50. then select “McIntosh MHA50 USB Audio Win- 2. Place the Input Selector Switch on the GRZV 'ULYH Y´...
  • Page 13 )RU WKH 0F,QWRVK 0+$ 3RUWDEOH 'HFRGLQJ FOLFN RQ WKH ³6HW 'HIDXOW´ EXWWRQ Amplifier to function via the Computer USB Con- Note: When the MHA50 is not connected to QHFWLRQ WKH IROORZLQJ FKDQJH QHHGV WR EH PDGH Figure 3 your computer, the previous default...
  • Page 14 GREEN. FKDQJLQJ EDFN WR *5((1 LQ FRORU 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 VWDUW PXVLF SOD\EDFN the Computer Owner’s Manual for additional...
  • Page 15: Specifications

    Specifications +HDGSKRQH 2XWSXW /RDG ,PSHGDQFH 3RZHU 5HTXLUHPHQWV 8 - 600 ohms 9  '&  $ 7RWDO +DUPRQLF 'LVWRUWLRQ 2YHUDOO 'LPHQVLRQV  PD[LPXP Width is 2.7 inches (7.0cm) Height is 6.1 inches (15.5cm) )UHTXHQF\ 5HVSRQVH Depth is 0.6 inches (1.4cm)  G% IURP +] WR +] :HLJKW 6LJQDO 7R 1RLVH 5DWLR $:HLJKWHG  SRXQGV  NJ QHW  SRXQGV  NJ LQ...
  • 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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