McIntosh MB20 Manuel utilisateur

McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com

MB20

Bluetooth Transceiver

Owner’s Guide

MB20 B LUETOOTH T RANSCEIVER

Safety First

It is a smart idea to read all the enclosed

MB20 SAFETY INFORMATION

even if you already know this stu,

you can’t be too safe.

Here is some compliance information:

FCC Informaon

(US Customers)

1. IMPORTANT NOTICE: DO NOT MODIFY

THIS PRODUCT

This product, when installed as indicated in the instructions contained

in this manual, meets FCC requirements. Modication not expressly

approved by McIntosh may void your authority, granted by the FCC,

to use the product.

2. CAUTION:

• To comply with FCC RF exposure compliance requirement,

separation distance of at least 20cm must be maintained between this

product and all persons.

• This product and its antenna must not be co-located or operating in

conjunction with any other antenna or transmitter.

3. COMPLIANCE INFORMATION:

• Product Name: MB20 Bluetooth Transceiver

• Model Number: MB20

• This product contains FCC ID:BWY-MB20

McIntosh Laboratory, Inc.

2 Chambers Street

Binghamton, NY 13903

Tel. (607) 723-3512

IC Informaon

(Canadian Customers)

1. PRODUCT:

This device contains license-exempt transmitter(s)/receiver(s) that

comply with Innovation, Science and Economic Development

Canada’s license-exempt RSS(s). Operation is subject to the

following two conditions:

1. This device may not cause interference.

2. This device must accept any interference, including

interference that may cause undesired operation of the device.

2. CAUTION:

Under Industry Canada regulations, this radio transmitter may only

operate using an antenna of a type and maximum (or lesser) gain

approved for the transmitter by Industry Canada.

To reduce potential radio interference to other users, the antenna type

and its gain should be so chosen that the equivalent isotropically

radiated power (e.i.r.p.) is not more than that permitted for successful

communication.

This radio transmitter (IC: 2483A-MB20) has been approved by

Industry Canada to operate with the antenna types listed below with

the maximum permissible gain indicated.

Antenna types not included in this list, having a gain greater than the

maximum gain indicated for that type, are strictly prohibited for use

with this device.

Antenna used by this product: MB20

Antenna Model: 380B

peak gain: 3dBi

Informaons sur IC (pour les

clients Canadiens)

L’émetteur/récepteur exempt de licence contenu dans le présent

appareil est conforme aux CNR d’Innovation, Sciences et

Développement économique Canada applicables aux appareils radio

exempts de licence. L’exploitation est autorisée aux deux conditions

suivantes :

1. L’appareil ne doit pas produire de brouillage;

2. L’appareil doit accepter tout brouillage radioélectrique subi,

même si le brouillage est susceptible d’en compromettre le

fonctionnement

RED (EN) Informaon

1.DECLARATION OF CONFORMITY

Our products follow the provisions of EC/EU directives:

LVD: 2014/35/EC

EMC: 2014/30/EU

RED: 2014/53/EU

ErP: EC regulation 1275/2008 and its frame work

directive 2009/125/EC

RoHS: 2011/65/EU

2. IMPORTANT NOTICE: DO NOT MODIFY

THIS PRODUCT

This product, when installed as indicated in the instructions contained

in this manual, meets RED directive requirements. Modication of

the product could result in hazardous Radio and EMC radiation.

3. CAUTION:

Separation distance of at least 20cm must be maintained between this

product and all persons.

This product and its antenna must not be co-located or operating in

conjunction with any other antenna or transmitter.

Safety Informaon

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 manu-

facturer including the supplied AC/DC adapter.

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 damaged, liquid has been

spilled or objects have fallen into the apparatus, the

apparatus has been exposed to rain or moisture, does not

operate normally, 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. This equipment is supplied with AC/DC Adapter with sep-

arate 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.

Working temperature: 0-35o C.

This product is intended for use only with the

adapter provided:

Manufacturer: GOLDEN PROFIT ELECTRON-

ICS LTD.

Model: GPE-013B-050240-Z

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.

14. Rating plate is located at bottom enclosure of the

apparatus.

Les marquages sont inscrits en bas de l’appareil.

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 in-

terference 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 o 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.

—Increase the separation between the equipment and receiver.

—Connect the equipment into an outlet on a circuit dierent

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 licence-exempt

RSS standard(s).

Le présent appareil est conforme aux CNR d’Industrie

Canada applicables aux appareils radio exempts de

licence.

WARNING:

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

ATTENTION:

RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR

Table of Contents

Safety First............................... 2

Safety Information ................... 3

Thank you ............................... 4

Make a Note............................. 4

Introduction.............................. 4

Receiver or Transmitter............ 5

MB20 Front View .................... 6

Power the MB20 ...................... 6

MB20 Rear View ..................... 7

Attach the Antenna................... 8

Receiver Mode......................... 9

Clearing and Resetting........... 10

Packing the MB20.................. 10

License Information................11

Technical Specications .........11

Thank you

From all of us at McIntosh, thank you for purchasing our

MB20. The MB20 Bluetooth Transceiver is a precision

instrument that will provide many years of enjoyment.

Please take a few moments to familiarize yourself

with the features and instructions to get the maximum

performance from your equipment.

If you need further technical assistance, please contact

your dealer who may be more familiar with your

particular setup including other brands. You can also

contact McIntosh with additional questions or in the

unlikely event of needing service.

McIntosh Laboratory, Inc.

2 Chambers Street

Binghamton, New York 13903

Technical Assistance Phone: (607) 723-3512

Customer Service (for repairs)

Phone: (607) 723-3515

Fax: 607-724-1917

[email protected]

Website: mcintoshlabs.com

Make a Note

For future reference, you can jot down your serial

number and purchase information here. We can identify

your purchase from this information if the occasion

should arise.

Serial Number:

Purchase Date:

Dealer Name:

Introducon

The MB20 functions as a Bluetooth receiver or as a

Bluetooth Transmitter. The MB20 has been designed to

provide a superior Bluetooth connection to equipment

that lacks Bluetooth connectivity. The MB20 is a Class 1

Bluetooth device with a transmission range ten times that

of a typical Class 2 Bluetooth device (such as most cell

phones.) As a receiver, the MB20 employs an extremely

sensitive receiver for better reception even from Class 2

devices.

Class 1 Bluetooth transmission has a range up to ten

times that of Class 2 devices. Class 1 operation can

typically be 150 feet (45.7 meters) in ideal conditions

with mobile devices. Actual range of Bluetooth Class 1

technology may be aected by physical obstacles as well

as the performance of devices with which the MB20 is

intended to connect, particularly Class 2 devices. Think

of this measure as a point of comparison since the world

is not always ideal. As a receiver, the maximum range is

determined by the capabilities of both paired devices.

Internal sampling and bit shifting, which can be thought

of as sophisticated up-sampling, will enable all digital

processing to occur and the highest available speed and

resolution. The MB20’s internal DAC processing at 192

kHz is the gentlest way of ltering the audio signal. The

digital output will be at 96 kHz for wider compatibility

with other DACs.

Bluetooth Transmit and Receive support aptX HD for

improved sound quality. Plus aptXTM Low Latency audio

improves end-to-end speed of audio transmission to keep

the sound in sync with the screen. Using two MB20, one

as a receiver and the other as a transmitter, provides full

wireless aptX HD code and decode bridge.

Figure 1– RX/TX Button

Receiver or Transmier

The MB20 can be either a Receiver (RX) or Transmitter

(TX). It can switch between these two modes, but it can

only be one of these at a time.

Set the MB20 to the desired mode, either RX or TX, by

pushing the RX/TX Button located on the rear of the

unit. See Figure 1. When the RX/TX Button is depressed

(pushed in), the MB20 is in Receive Mode. When the

A059664 MB20 REAR 11/2/2020

ANALOG

COAX IN

ANALOG

OUT

OPTICAL

COAX OUT

OPTICAL

OUT

RX/TX ANT

LL/HD

DC5V IN

2.4A

MB20 B LUETOOTH T RANSCEIVER

button is in the released position, the MB20 is in

Transmitter Mode. Pushing the RX/TX button

will toggle between these two modes.

RX/TX Buon MB20 Mode

In Bluetooth Receiver

Out Bluetooth Transmitter

MB20 Front View

Figure 2– MB20 Front View

Front Panel Button

White- Standby

Blue- Bluetooth Receiver Mode

Green- Bluetooth Transmitter Mode

Flashing (Blue or Green)- Discovery Mode

Power the MB20

Use the supplied AC/DC adapter with the

included USB cable to power the MB20. You

may be tempted to plug the USB cable into a

computer. This will not supply enough power for

the MB20 to function properly.

The DC input labeled DC 5V IN can be found

next to the antenna connection in “Figure 3–

MB20 Rear View” on page 7.

To allow the MB20 to properly reset when

powering o and on, please allow 5 to 10 seconds

between removing and re-inserting the power

cord.

A059664 MB20 REAR 11/2/2020

ANALOG

IN COAX IN

ANALOG

OUT

ROPTICAL

COAX OUT

OPTICAL

OUT

RX/TX ANT L

LL/HD

DC5V IN

2.4A

MB20 Rear View

Figure 3– MB20 Rear View

Analog Balanced

(XLR) Inputs

Right Left

Analog Unbalanced

(RCA) Inputs

Analog Balanced

(XLR) Outputs

Right Left

Analog Unbalanced

(RCA) Outputs

Digital Coax

Input

Digital Coax

Ouput

Digital Optical

Input

Digital Optical

Ouput

DC 5 Volt

Power Micro

USB Input

RX/TX

Button

Antenna

Connection

Low Latency/

High Definition

Preference Button

Aach the Antenna

Attach the included Bluetooth Antenna to the ANT

Connection in the center of the rear panel of the MB20.

(See Figure 3 on page 7.) Tighten the brass nut at the

base of the Antenna until nger tight.

Transmier Mode

In the Transmitter Mode (TX), the MB20 will take a

signal from one of the inputs:

• Analog Balanced (XLR)

• Analog Unbalanced (RCA)

• Digital Coax

• Digital Optical

and send (transmit) the signal to a Bluetooth connected

device.

The Front Panel Button will glow Green in Transmitter

Mode.

To Power On, press and hold the Front Panel Button for

two seconds. The MB20 will automatically search for

the last paired device. After one minute, the MB20 enters

Discovery Mode. It will stay in Discovery Mode for 15

minutes.

The MB20 will pair a previously paired device while in

Discovery Mode or pair with a new device that is also in

Discovery Mode.

After 15 minutes in Discovery Mode, if no pairing

occurs, the MB20 will power o.

If the MB20 has not been previously paired (or the

pairing list has been erased), the unit will more quickly

(10 seconds) enter Discovery Mode.

Discovery Mode is indicated by a the Front Panel Button

ashing green (single blink on and o).

Since you may not be able to see a list of discoverable

Bluetooth Devices to choose from on the device you are

trying to connect to the MB20, it is helpful to not have

any other discoverable devices competing with the MB20

when trying to pair. The process of pairing will happen

automatically.

When the MB20 pairs with another device, the Front

Panel Button will be solid green (no longer blinking).

When connected, the MB20 will send input to the paired

device via Bluetooth.

When powered on, the MB20 will attempt to pair with

the last paired device for one minute. If that device is

unavailable, the MB20 will enter Discovery Mode.

Should the MB20 experience a brief power interruption

during operation, conrm that all volume settings are

as expected before using connected devices such as

headphones.

Low Latency/High Denition Preference Button sets

a preference for either Low Latency or High Denition

connections when the MB20 is in Transmitter mode.

Since a receiver (such as a speaker) may not support both

protocols, the MB20 will use the available protocol. If

both protocols are available on the receiver this button

will set the preference of which to use,

Low Latency may be a desirable preference for video

viewing to better sync video and audio.

Buon Posion aptX Protocol Preference

In Low Latency

Out High Denion

Receiver Mode

In the Receiver Mode (RX), the MB20 will send a

received Bluetooth signal to ALL these outputs:

• Analog Balanced (XLR)

• Analog Unbalanced (RCA)

• Digital Coax

• Digital Optical

The Front Panel Button will glow Blue in Receiver

Mode.

To pair the MB20 to receive from your device:

• RX/TX Button should be in the receive (RX)

position (depressed)

• Power On the MB20. Front Panel Button will

glow blue. It will begin to blink (single blink on

and o) when in pairing mode

• On the device you wish to connect to the MB20,

scan for Available Devices. The MB20 will be

listed as “MB20”

• Choose MB20. If asked “Pair with MB20?”,

choose OK

• MB20 should be connected for Audio. When

successfully paired the Front Panel Button will

display as solid blue. Unsuccessful pairing will

display as solid white

You can use the Bluetooth menu of your connected

device to connect and disconnect the MB20.

Clearing and Reseng

To reset the MB20 and clear the pairing list:

• Press and hold the Front Panel Button for 10

seconds

• The LED of the Front Panel Button will blink,

pause and then double blink when reset. Release

the Button

• Pull out DC USB Power Connector from the

rear of MB20 for 10 seconds and then replace

Packing the MB20

When shipping the MB20, it is highly recommended that

the unit be packed as it was originally shipped to avoid

damage. For this reason, you may wish to save the original

box and packing material for your MB20. If you need

any of the packing material, you can contact McIntosh

Customer Service. Use only packing material that is in

good condition and replace any material that has seen

better days.

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