McIntosh MHA 50 operation manual

McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: [phone] www.mcintoshlabs.com

MHA50

Portable Decoding Amplifier

Operation Guide

ATTENTION:

RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Do not use or place near any heat sources such as
radiators, heat registers, stoves, or other apparatus
that produce heat.

8. Only use attachments/accessories specied by the

manufacturer.

9. Unplug the supplied AC /DC Adapter during
lightning storms or when unused for long periods
of time.

10. Refer all servicing to qualied service personnel.
Servicing is required when the apparatus has been

damaged in any way, the AC /DC Adapter is dam-

aged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed

to rain or moisture, does not operate normally,

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or has been dropped.

11. Do not expose this apparatus to dripping or splash­ing and that no objects lled with liquids, should
not be placed on the equipment.

12. If this equipment is supplied with AC /DC Adapter
with separate power supply cord or the AC/DC
Adapter plugging directly into an a.c. receptacle,

they shall remain readily operable. To completely

disconnect this equipment from the a.c. mains
remove the AC /DC Adapter mains power supply
cord from the a.c. receptacle or remove the AC /
DC Adapter when it is directly plugged into the a.c.
receptacle.

13. WARNING: Do not expose apparatus to excessive
heat such as sunshine, re or the like. No naked
ame sources such as lighted candles should be

placed on the apparatus.

Les piles ne doivent pas être exposées à de forte
chaleur, tel qu’à la lumière du soleil, au feu ou
autres choses de semblable. Aucune source de
amme nue, tel qu’une bougie, ne doit être placée

sur l’appareil.

Safety Instructions

14. Headpho nes/Earphones connected to th is Digit al

Decod ing Am plifier may be
capable of pr oducing extremely
high sou nd pressure le vels. To

prevent d amage t o the Ear, it is
recom mended not to play at h igh

volumes as conti nued exposure

to high sound pressur e levels can cause pe rma­nent hea ring i mpairment or loss.

Des pressions ac oustiques excessives prove nant
d’écouteurs ou de casques peuve nt provoquer des

pert es de l’audition.

15. Rating plate is loca ted at bot tom enclosure of t he

apparatus.

Les marquage s sont inscrit s en bas de l’appareil.

16. The use of app arat us in t ropical a nd/or moderate

climat es.
L’utili sation de l’appareil dans un cl imat t ropical

et/ou modéré

CAUTION: Lithium Battery

Long Life Lithium type battery is used inside this
product. To prevent the danger of re or explosion of the
internal Lithium Battery, do not overcharge or allow this
product to become overheated.

CAUTION: Risk of re and burns. Do not open,

crush or heat the unit above 140°F

Disposal Instructions:

When d iscarding this un it, comply w ith local rules or

regulations . It should never be th rown away
or inci nerat ed, but d isposed of in accordance

with th e local reg ulat ions concern ing an
electr onic pro duct contain ing a Lithium

Batte ry. Atte ntion should be dr awn to the
envir onmental aspects of batter y disposal.
Les pile s usages doivent êt re jetée s en respecta nt

l’environnement.

Warning: Changes or modications to this unit not

expressly approved by the party responsible for

compliance could void the user’s authority to
operate the equipment.

Lithium Battery, Disposal Instructions and FCC Information (For US and Canada Customers)

Statement for Class B digital device acc. to
FCC 15.105 as following:

NOTE: 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

generates, 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:

—Operation is subject to the following two conditions:

(1) this device may not cause interference, and

(2) this device must accept any interference,
including interference that may cause
undesired operation of the device.
—Reorient or relocate the receiving antenna.

—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.

—This device complies with Industry Canada li

cence-exempt RSS standard(s).

Le présent appareil est conforme aux CNR

d’Industrie Canada applicables aux appareils

radio exempts de licence.

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Thank You

Your decision to ow n this McI ntosh M HA50

Portable Decod ing Amplifier ran ks you at the very

top among discr imi nating music listeners. You

now have “The Best.” The McIntosh dedication to
“Quality,” is assurance t hat you will receive many
years of musical enjoyment from this u nit.
Please take a short time to read this informat ion.
We want you to be as fa miliar as possible with all

the feat ures and fu nction s of your new McIntosh.

Please Take A Moment

The ser ial number, purchase date and McIntosh
Dealer name are impor tant to you for possible
insu rance claim or f uture service. The spaces
below have been provided for you to record that

information:

Serial Number:

Purchase Date: ______________________
Dealer Nam e: _______________________

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______________________

Technical Assistance

If at any time you have questions about your McIn­tosh product, contact you r McIntosh Dealer who
is familiar with your McI ntosh equipment and any

other br ands that may be part of you r system. If

you or your Dealer wish additional help concer n-

ing a suspecte d problem, you can receive tech nical

assist ance for all McIntosh products at:

McIntosh L aboratory, Inc.
2 Chambers Street
Bingha mton, New York 13903

Phone: [phone]

Fax: [phone]

Customer Service

If it is determined that your McIntosh product is
in need of repair, you can return it to your Dealer.

You can also return it to the McIntosh Laborator y

Serv ice Department. For assistance on factory
repai r retu rn procedu re, cont act the McIntosh
Serv ice Department at:

McIntosh L aboratory, Inc.
2 Chambers Street
Bingha mton, New York 13903

Phone: [phone]

Fax: [phone]

Table of Contents

Safety Instructions .................................................. 2

Lithiu m Battery ....................................................... 2

Disposal Instructions .............................................. 2

FCC Information ..................................................... 3

Than k You and Please Take a Moment .................. 4

Technical Assista nce and Customer Service ......... 4

Table of Contents..................................................... 5

General Information ............................................... 2

MHA50 Quick Start ........................................... 2 - 8

Introduction ............................................................. 9

Performance Features ............................................. 9

Rear Panel Connections .......................................... 9

Connecting to External Components ..................... 9

How to Operate the MHA50............................ 10 -11

Specifications ........................................................ 12

Packing Inst ructions ............................................. 12

General Information

1. For additional connection information, refer to
the owner’s manual(s) for any component(s)

connected to the MHA50 Portable Decoding
Amplier.

2. The MHA50 internal Digit al Circuitr y is

designed for decoding 2- chan nel PCM (P ulse
Code Modu lation) and DSD (Digital Stream­Digital) Digital Audio Signals.

3. The Portable Decoding Amplier is designed to
work with Apple and Android mobile devices.
It will also work with computers with USB (2.0
compatible) Connectors.

4. If it should become necessary to replace the

supplied AC/DC Power Adapter, Plug Adapt-

ers, USB Connection Cables or Leather Case,
order pa rt number from the McIntosh Par ts

Department:

AC/DC Power Ad apter 310584SP
Europ ean Plug Ad apter 310585SP

United K ingdom Plug Adapt er 310586SP
Austr alia Plug Adapte r 310587SP

Micro USB t o Micro USB C able 310588SP
USB to Light ing(Appl e) Cable 310589SP
USB to Micr o USB Cable 310590SP
USB (Type- C) to Mic roUSB 310600SP

Leath er Case 310593SP

5. Hereby, McIntosh Laboratory, Inc. declares that

the MHA50 is in compliance with directive
2014/53/EU.

Note: The declaration of conformity may be consulted

at http://www.mcintoshlabs.com/u s/products/
Pages/Manuals.aspx.
Frequencies/power 2402-2480Mhz 3.1dBm

6. When discarding the unit, comply with local
rules or regulations.

7. Periodically, check the McIntosh Web
Site at www.mcintoshlabs.com for the

latest information on the MHA50 and other
McIntosh Products.

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