Leon OTO MCA 200 Manuale utente

715 W. Ellsworth Road Ann Arbor, Michigan 48108 | 1.888.213.5015 | www.leonspeakers.com

OTO MCA 200

USER GUIDE

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OTO MCA 200 USER GUIDE

WARNING:

To reduce the risk of ﬁre or electric shock, do not expose

this apparatus to rain or moisture.

The apparatus shall not be exposed to dripping or splashing and no objects

ﬁlled with liquids, such as vases, shall be placed on apparatus, receptacles,

and the point where they exit from the apparatus.

The lightning ﬂash with arrowhead symbol, within an equilateral triangle,

is intended to alert the user to the presence of uninsulated dangerous

voltage; within the product’s enclosure that may be of sufﬁcient magnitude to

constitute a risk of electric shock to persons.

This symbol is intended to alert the user to the presence of important

operation and maintenance (servicing) instructions in the literature

accompanying the appliance.

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 block any ventilation openings. Install in accordance with the

manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, stoves or any

other apparatus (including ampliﬁers) that produce heat.

9. Protect the power cord from being walked on or pinched particularly at

plugs, convenience receptacles, and the point where they exit from the

apparatus.

10. Only use attachments/accessories speciﬁed by the manufacturer.

11. Do not ‘Hot Plug’. When changing inputs or outputs, switch the Leon

OTO MCA 200 off before making changes. Once changes have been

made, then switch the Leon OTO MCA 200 back.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

ATTENTION

RISQUE DE CHOC ELECTRIQUE

NE PAS OUVRIR

SAFETY INSTRUCTIONS

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OTO MCA 200 USER GUIDE 2

12. Unplug this product during lightning storms or when unused for long

periods of time.

13. Refer all servicing to qualiﬁed service personnel. Servicing is required

when the apparatus has been damaged in any way, such as power-

supply cord or plug 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.

14. This apparatus shall not be exposed to dripping or splashing, and no

object ﬁlled with liquids, such as vases or glasses, shall be placed on

the apparatus.

15. Exposure to high sound pressure levels may lead to permanent

hearing loss. Take every precaution to protect your hearing.

16. The remote control comes with a non-rechargeable Lithium battery

installed. Take every precaution when handling and installing new

Lithium batteries, and follow all local and state guidelines for safe

disposal of old batteries. Keep all batteries away from children.

Caution: to reduce the risk of electric shock, do not disassemble the

apparatus. There are no user-serviceable parts inside. Refer servicing

to qualiﬁed personnel.

Recycling notice: Always properly dispose of or recycle your end-of-life

electronic products. Contact your local or state recycling authorities

for information on nearby recycling facilities.

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OTO MCA 200 USER GUIDE

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OTO MCA 200 USER GUIDE 4

WELCOME

INTRODUCTION 5

UNPACKING 5

IR REMOTE CONTROL TOUR 6

AMPLIFIER TOUR (FRONT PANEL) 7-8

AMPLIFIER TOUR (LEFT PANEL) 9

AMPLIFIER TOUR (RIGHT PANEL) 10

AMPLIFIER DIP SWITCH CONTROL 11-12

INSTALLATION 13

CONNECTIONS 14

QUICK START 2.0/STEREO SET UP 15-16

BRIDGED MONO 2.0 LINKED SETUP 17-18

STEREO SETUP WITH A PASSIVE SUBWOOFER 19-20

STEREO SETUP WITH A POWERED SUBWOOFER 21

BRIDGED MONO 2.0 WITH POWERED SUB 22

ADJUSTING THE ACCUBASS® 22

DEFAULT VOLUME BYPASS PROCEDURE 23

IR LEARNING PROCEDURE 23-24

ADDITIONAL FEATURES & SUPPORT 25

TROUBLESHOOTING 26

SPECIFICATIONS 27-28

WARRANTY 29-30

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OTO MCA 200 USER GUIDE

INTRODUCTION

UNPACKING

Remove the OTO MCA 200 from its packaging and inspect it for any shipping

damage. If you discover damage, contact your Leon dealer or a customer

service representative immediately.

If possible, save the carton and internal packaging. It is the best possible

protection for your OTO MCA 200 if you need to move it or return it for

service.

Keep your sales receipt in a secure place. It helps establish the duration of

your warranty and is good for insurance purposes in case anything happens

to your equipment.

PACKAGE CONTENTS

• Leon OTO MCA 200 Ampliﬁer

• OTO MCA 200 IR Remote Control

• AC Power Cord

Congratulations on your purchase of a Leon OTO MCA 200. This was

developed in collaboration with AudioControl®, 40-year veterans of the

performance-audio ampliﬁer industry. The features of the OTO MCA 200

allow it to shine in both analog and digital audio systems, whether in an

audiophile stereo system, a home theater, or a commercial environment.

The ampliﬁer includes a high-performance Wolfson® DAC (digital to analog

converter), and comfortably delivers 100 watts per channel at 8 ohms, 200

watts per channel at 4 ohms, or up to 400 watts bridged.

Additionally, the ampliﬁer features options for control via IR remote, or via

RS232 for easy integration with third-party control systems. With integrated

switchable crossovers, multiple OTO MCA 200 ampliﬁers can be combined to

drive passive 2.1 systems. The AccuBASS® function allows detailed control

over bass response to help simplify speaker placement and tuning of the

room.

This manual will take you step-by-step through the features and operation of

the OTO MCA 200. Please read it thoroughly and carefully to ensure that you

get maximum performance from the OTO MCA 200. Keep this manual in a

safe place in case you need to refer to it in the future.

• Optical Cable

• 4-pin and 3-pin Euroblock terminal blocks

• Mounting Kits (optional)

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OTO MCA 200 USER GUIDE 6

• Optical Cable

• 4-pin and 3-pin Euroblock terminal blocks

• Mounting Kits (optional)

IR REMOTE CONTROL TOUR

A. Power On/Standby: Press this to awake the OTO MCA 200, or put it into

standby mode. In standby, the OTO MCA 200 will use minimal electricity.

During normal operation, the OTO MCA 200 will enter standby if no input

signal is sensed for about 8 minutes. This auto-standby mode can be

disabled using the Sleep Defeat DIP switch (see Pages 11-12). If the Power

On/Off switch is off, the ampliﬁer will not turn on with the remote control.

B. Volume Up/Down: Press the plus button to increase the volume, and

the minus button to decrease the volume.

C. Mute: Press this button to mute or unmute the ampliﬁer output.

D. Input Selection 1, 2, 3: Press these buttons to select the desired input.

The OTO MCA 200 front panel LED will light to reﬂect the selected input.

E. Headphones On/Off: Press this to turn on/off the OTO MCA 200

headphone output. All other outputs will be muted and the front panel

headphone LED will light when the headphone output is engaged.

F. AccuBASS® Up/Down: Press the arrows to increase or decrease the

amount of AccuBASS® enhancement.

G. AccuBASS® On/Off: Press this to turn on the AccuBASS® enhancement.

The front panel input LED will glow brighter when AccuBASS® is enabled.

H. Battery Compartment: The battery compartment on the back is

opened by pressing and sliding off the small cover. Remove a small

insulating strip from below the battery before ﬁrst use. Always replace the

battery with the exact same type (3V lithium CR2032), and with the positive

(+) side facing outward.

G. H.

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OTO MCA 200 USER GUIDE

AMPLIFIER TOUR (FRONT PANEL)

1. IR Remote Control Window: This is the IR sensor for the included IR

remote. Point the remote in this direction to control the ampliﬁer. Do not

block this port if the IR remote is to be used.

2. On/Standby LED: This LED indicates the power status of the OTO MCA

200.

• Blue – normal operation

• Dim Red – standby mode

• Bright Red – channel mute on power up

• Bright Red 2 – ampliﬁer in protection (see TROUBLESHOOTING, Page 26)

• Flashing Red – speaker fault (see TROUBLESHOOTING, Page 26)

1. 2.

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OTO MCA 200 USER GUIDE 8

3. Input Selection LEDs: These three LEDs indicate which input is

selected. Inputs 1 and 2 are digital inputs, and input 3 is analog. When the

OTO MCA 200 is muted, all input LEDs will be off. When the OTO MCA 200

receives a command from the IR remote or via RS232, the input LED will

ﬂash. The selected input LED glows dimly under normal conditions, and

brighter when the AccuBASS® setting is enabled.

4. Headphone On/Off LED: This LED indicates if the OTO MCA 200

headphone output is enabled. When the headphone output is turned on,

all other outputs from the ampliﬁer are muted. The headphone output is

controlled via the IR Remote.

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OTO MCA 200 USER GUIDE

AMPLIFIER TOUR (LEFT PANEL)

5. AC Input

6. Power On/Off Switch: This is the master power switch for the OTO MCA 200

ampliﬁer. Keep the ampliﬁer off while making connections or disconnections

from the ampliﬁer. Use this switch to turn the ampliﬁer off if it will not be used

for long periods of time.

7. Voltage Selection Switch: Ensure this is set to your region-speciﬁc line

voltage before plugging in the OTO MCA 200.

8. RS232 Control Input: Use this terminal block to connect a third-party

control system. The pins are as follows:

• Pin 1 – RX (RS232 receive)

• Pin 2 – Ground

• Pin 3 – TX (RS232 transmit)

9. Ampliﬁer Control DIP Switches: These DIP switches affect the operation of

the ampliﬁer. See Pages 11-12 for more details.

10. Speaker Outputs: Use this Euroblock terminal block for connections to

your speakers. Make a note of the polarity markings and ensure they match

those of your speakers (+ to +, - to -).

11. IR Output: This 1/8” jack allows a remote IR sender to be connected.

12. Bridged Mono Output: When the OTO MCA 200 is in bridged mode, this

RCA connector outputs the signal from the active input’s right channel only.

It is affected by the volume level, AccuBASS® level, and the 80Hz low-pass

crossover.

10.

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