Summary of Contents for Extron electronics MPA 152 MD
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User Guide Audio MPA 152 MD Mini Power Amplifier 68-1989-01 Rev. A 11 10...
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Precautions Safety Instructions • English Warning Power sources • This equipment should be operated only from the power source indicated on the product. This This symbol is intended to alert the user of important operating and maintenance equipment is intended to be used with a main power system with a grounded (neutral) conductor. The (servicing) instructions in the literature provided with the equipment.
The MPA 152 MD device is an accessory to medical equipment that falls under the scope of “UL 60601-1, Clause 2.1.3”, since it qualifies as an optional component that can be deemed...
THE MPA 152 MD IS AN ACCESSORY TO A MEDICAL SYSTEM. The MPA 152 MD is a high performance, compact, power amplifier. It delivers up to 15 watts (rms) per channel (stereo or dual mono) into a 4 ohm sound system or 8 watts (rms) per channel into an 8 ohm system.
Cabling This section discusses the MPA 152 MD rear panel features and cabling. MPA 152 MD Rear Panel Features The rear panel of the MPA 152 MD (shown in figure 1 below) allows the user to connect power, audio input, speakers, and remote control.
3.5 mm stereo input — This connector accepts Tip (L) unbalanced, line level audio signals. If unused, the Ring (R) connector automatically terminates to lower the noise floor. Sleeve ( ) 3.5 mm Stereo Plug Connector MPA 152 MD • Panels and Cabling...
Third party 10k potentiometer volume controllers can also be connected VOL/MUTE 50mA to this port. Wire the remote control connector to the MPA 152 MD captive screw connector as shown in the figure and instructions below. REMOTE 10 V (Pin 1)
Figure 5. Regulating Multiple Amplifiers with a Single Volume Controller CAUTION: If the MPA 152 MD is used in this configuration, it is the responsibility of the user to ensure that the system complies with the requirements of the IEC 60601-1-1 system standard. If there are any questions or doubts, contact the Extron Support Department.
4 and on page 5 for important information about connecting wires to captive screw connectors. CAUTION: Do not short the + and - outputs to each other, as this will damage the amplifier. MPA 152 MD • Panels and Cabling...
Setup and Operation Front Panel Features This section describes how to use the controls on the MPA 152 MD front panel (shown in figure 6 below) to configure the amplifier and how to set up the remote control options. LEVEL...
There are a variety of options for a projector without variable audio outputs, or for a system designed to control the volume of the MPA 152 MD directly. See page 5 for more information about Wiring for remote control.
Control port ........(1) 3.5 mm captive screw connector, 3 pole Pin configuration ......Pin 1 = +10 VDC, 50 mA (max.), pin 2 = volume/mute (variable voltage), pin 3 = GND Volume control voltage range ..0 V (mute) to 10 V (maximum volume) MPA 152 MD • Specifications...
Warranty ........3 years parts and labor NOTES: All nominal levels are at ±10%. Specifications are subject to change without notice. Symbols Used in the Specifications AC units DC positive voltages DC negative voltages Earth ground Direct Current Volts Amps milliamps MPA 152 MD • Specifications...
Included Parts and Optional Accessories This section shows the parts that are provided with the MPA 152 MD and also lists the optional accessories that are available from Extron. Included Parts Description Part Number MPA 152 MD 43-186-01 External 12 VDC, 3 A power supply...
Mounting The MPA 152 MD amplifier should be placed on a desk or tabletop. Attach the four provided rubber feet to the bottom of the unit and place it in any convenient location. MPA 152 MD • Mounting...
In the event of malfunction during the warranty period attributable directly to faulty workmanship and/or materials, Extron Electronics will, at its option, repair or replace said products or components, to whatever extent it shall deem necessary to restore said product...