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MXA
Owners manual
8 pgs322.83 Kb1

Myryad MXA Owners manual

MX SERIES
Modular Power Amplifier
Owner’s Manual
CONTENTS
• Remote Trigger
Control Input/Output, 3
• Loudspeaker Output
Protection and Muting 5
• Table of MX Power Amplifier
Model Number 7
INTRODUCTION
The Myryad MX Modular Power Amplifier has been designed to provide a flexible solution to a wide range of power amplifier requirements. As a two-channel unit it can be partnered with the Myryad MXP2000 stereo preamplifier (or other high quality preamp) to deliver audiophile quality stereo. In multi-channel form it can be used to provide power for high quality Home Cinema or music surround systems when partnered by a suitable surround preamplifier-processor such as Myryad’s MXD6000. It can also be used in install situations as a high-quality multi-channel distribution amplifier. All this is delivered with an unparalleled combination of high quality sound reproduction and simple yet elegant styling
The MX Modular Power Amplifier can be fitted with up to seven amplifier modules each of which can be either a single channel rated at 150W/8Ω output, or a two channel module rated at 2 x 80W/8Ω ­resulting in a maximum of 7 channels of 150W or 14 channels of 80W, or various combinations in between. A table indicating the model number for each combination can be found on page 7.
Additional amplifier modules, up to the maximum of seven, can be fitted into the MX power amplifier, or existing modules can be exchanged for the alternative type, at any time. Modules must only be fitted or exchanged by qualified service personnel. Consult your Myryad dealer for details.
Each amplifier channel (80W and 150W) has a line input plus a directly linked line output both on high-quality gold-plated RCA phono sockets and a loudspeaker output on a pair of solid metal gold-plated 5-way binding posts.
The MX Modular PA may be controlled remotely via the My-Link communications bus when used with other Myryad products. My-Link allows remote control of standby and mute functions. In addition to this, the MX Modular PA may be switched into or out of standby remotely using its DC trigger input.
Applications of the MX Modular Power Amplifier include:
• Use in conjunction with the MXP2000 Stereo Preamplifier in a high quality stereo system
• Use in conjunction with the MXD6000 Digital Preamplifier-Processor, delivering up to seven channels at 150W (or 80W) in Home Cinema systems of the highest quality.
• Use in a multi-room setup, possibly together with other MX Modular PAs, to deliver high-power high-quality audio to a number of different rooms with minimal crosstalk between channels.
• Various bi-amplifier or tri-amplifier configurations at 80W or 150W.
INSTALLATION AND SAFETY
This amplifier generates a significant amount of heat when operating and thus requires good ventilation. Do not place it on a rug or other soft surface into which it could sink, obstructing the air inlets in its underside. Do not allow papers or cloth to obstruct the ventilation grille in the top cover. The amplifier should not be installed in a built-in situation such as a bookcase or cabinet unless proper ventilation is provided. If the amplifier is moved shortly after operation take care not to touch the heatsinks, which are accessible from below, as they may be very hot. The amplifier is designed for use in moderate climates.
CAUTION: TO PREVENT A FIRE OR SHOCK HAZARD, DO NOT PERMIT THIS PRODUCT TO BECOME WET. IF LIQUID IS ACCIDENTALLY SPILLED ON IT, IMMEDIATELY SHUT OFF ITS POWER AT THE WALL SOCKET AND UNPLUG THE AC POWER CORD. ALLOW SUFFICIENT TIME FOR COMPLETE EVAPORATION TO OCCUR BEFORE OPERATING THE UNIT AGAIN. IF THE LIQUID IS ANYTHING BUT WATER AND/OR ALCOHOL, A QUALIFIED SERVICE TECHNICIAN SHOULD EXAMINE THE UNIT BEFORE IT IS USED AGAIN
Do not remove the cover, or attempt to modify or repair the amplifier yourself. Refer all servicing to a qualified technician.
ACCESSORIES
Your Myryad Power Amplifier is supplied complete with the following accessories:
• My-Link interconnect (0.5m RCA-RCA)
• Separate mains power cord to suit
country of sale.
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123
4
SETTING UP YOUR SYSTEM
REAR PANEL CONNECTIONS
1. Power Inlet
Before making any connection, check that the mains voltage setting printed on the rear panel is the same as your local mains supply.
Plug the female (socket) end of the power cord into the power inlet on the rear of the amplifier. Plug the male (plug) end of the cord into a "live" wall socket or a suitable heavy-duty extension cable.
UK version: The mains plug is supplied fitted with a 13A fuse. It should only be replaced with a fuse of the same rating (13A) which complies with BS1362.
2. Power Switch
Press one side of this rocker switch (the side nearer the edge of the rear panel) to switch amplifier ON and the other side (towards the speaker terminals) to switch it OFF. When the POWER switch is in the OFF position all power is disconnected from the amplifier. In this condition the amplifier cannot be powered up from the front panel or the My-Link or remote trigger. When the POWER switch is in the ON position (and the power cord correctly inserted and plugged into a live wall socket) the amplifier will power up in standby mode (see FRONT PANEL CONTROLS, STANDBY, below).
It is recommended that the POWER switch be turned OFF if the amplifier is not going to be used for an extended period of time.
IMPORTANT: Make sure the POWER switch is turned OFF before making or changing any connections to the amplifier.
3. Smart My-Link®
When the MX power amplifier is used in a system with other Myryad products (e.g. MX-Series, M-Series, Cameo or Z-Series) all may be joined together via the My-Link. This will allow the different products to be remotely controlled via the infra-red receiver on, for example, an MXD6000 Preamplifier-Processor or any Myryad Preamplifier or Integrated Amplifier.
When joined via the My-Link, the MX power amplifier will respond to STANDBY and MUTE operations on the preamplifier (whether operated from the front panel or by remote control). For example, if both the preamplifier and the MX power amplifier are in STANDBY, then switching the preamplifier out of standby will also bring the MX power amplifier out of standby. In this way an MXD6000 + MX power amplifier can be operated with the same ease as an integrated unit. If a number of MX power amplifiers are being used in a multi-room system all the amplifiers may be My-Linked so that they can be controlled as one.
Use a short RCA-to-RCA (phono-to-phono) interconnect cable to connect from the MY­LINK OUT socket on the integrated or preamplifier to the MY-LINK IN socket on the MX power amplifier. A suitable 0.5m long My-Link cable is supplied with the MX power amplifier. A second cable can then
3
run from the MY-LINK OUT socket on the MX power amplifier to the MY-LINK IN socket on a third Myryad component (if desired) and so on – in “daisy-chain” fashion. Inexpensive interconnects may be used as the My-Link bus carries only control signals, not audio, so these cables have no effect on sound quality.
Please note:
• Manually switching the MX power amplifier into standby will not switch other My-Linked units into standby.
• When the My-Link is connected it is recommended that no connection be made to the REMOTE TRIGGER input (see below).
•
4. Remote Trigger Control input/output
If the MX power amplifier is being used in a system without a Myryad preamplifier, processor or integrated equipped with My­Link, the REMOTE TRIGGER input may be used to allow the MX power amplifier to be remotely switched into or out of STANDBY.
If your preamplifier or processor has a TRIGGER output which delivers a DC trigger signal when the unit is switched on (or out of standby) then it can be linked to the MX power amplifier to switch that out of/into standby also. A lead must be used which is fitted with a 3.5mm mini-jack plug to connect to the MX power amplifier’s REMOTE TRIGGER input socket. The lead must be wired according to the rules below:
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