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CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

WARNING: SHOCK HAZARD-DO NOT OPEN.
AVIS: RISQUE DU CHOC ELECTRONIQUE-

NE PAS OUVRIR.

Safety Instructions -- Please Read First

DETAILED SAFETY INSTRUCTIONS:

All the safety and operation instructions should be read before the appliance is operated.

Retain Instructions:

The safety and operating instructions should be retained for future reference.

Heed Warnings:

All warnings on the appliance and in the operating instructions should be adhered to.

Follow Instructions:

All operation and user instructions should be followed.

Water and Moisture:

The appliance should not be used near water (e.g. near a bathtub, washbowl, kitchen sink. laundry tub, in a wet basement, or near a 
swimming pool etc.).

Ventilation:

The appliance should be situated so that its location or position does not interfere with its proper ventilation. For example, the 
appliance should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings, or placed in a built-in 
installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.

Heat:

The appliance should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including 
other amplifiers) that produce heat.

Power Source:

The appliance should only be connected to a power supply of the type described in the operating instructions or as marked on 
the appliance.

Grounding and Polarization:

Precautions should be taken so that the grounding or the polarization means of the appliance is not defeated. 

Power Cord Protection:

Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against 
them, paying particular attention to cords and plugs, convenience receptacles and the point where they exit from the 
appliance.

Cleaning:

The appliance should only be cleaned as recommended by the manufacturer.

Non-use Periods:

The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time. 

Object and Liquid Entry:

Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings.

Damage Requiring Service:

The appliance should be serviced by qualified service personnel when;

     The power supply cord or the plug has been damaged; or

     Objects have fallen, or liquid has been spilled into the appliance; or

     The appliance has been exposed to rain; or

     The appliance does not appear to operate normally or exhibits a marked change in performance; or

     The appliance has been dropped, or the enclosure damaged.

Servicing:

The user should not attempt to service the appliance beyond what is described in the Operating Instructions.  All other servicing 
should be referred to qualified service personnel.

CAUTION: To reduce the risk of electric shock, do not 
remove the cover (or back). No user serviceable parts are 
inside; refer servicing to qualified personnel.

WARNING:   To reduce the risk of fire or electric   shock, do 
not expose this appliance to rain   or   moisture.

This symbol wherever it appears, alerts you to 
the presence of uninsulated dangerous voltage 
inside the enclosure that may be sufficient to 
constitute a risk of electric shock.

This symbol, wherever it appears alerts you to 

i m p o r t a n t   o p e r a t i n g   a n d   m a i n t e n a n c e  

instructions in the accompanying literature.   
Read the manual.

Summary of Contents for Pro Audio M-20

Page 1: ...M 20 Powered Monitor Owner s Manual M 20 Control Amplifier Serial Number M 20 Monitor Serial Number Rev 6 06 Pro Audio...

Page 2: ...tion Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords and plugs convenience receptac...

Page 3: ...esigning the system as an integral package of control amp cables and monitor many of the advantages of self powered speakers can be realized without the possible attendant performance compromises of f...

Page 4: ...shown in Fig 3a Using the included cable to connect the M 20 Monitor to the Control Amplifier is quite simple and straightforward fit the XLR connectors into the corresponding connectors on the Contro...

Page 5: ...levels over 120 dB are shown as HI Since monitoring level has a profound influence on the perception of sonics periodically checking SPL helps to assure consistent results VAC This is a reading of th...

Page 6: ...increased listening distance a speaker s upper frequency power response attenuates due to room influences and air absorption The M 20 may be adjusted to compensate for this change and provide flat re...

Page 7: ...breakup at extremely high volume or heat emanating from the drivers is an indication that the system has exceeded its output limits and that you should lower the playback level Watch for excessive lig...

Page 8: ...hum noise 10 dB SPL 1M System THD 90 dB SPL 0 4 100Hz 10kHz 1M Response 2 dB 1 3 oct swept noise 48Hz 20kHz 1M 45Hz 20kHz 2M 6dB LF cutoff 40Hz in room response Control Amplifier Dimensions Wgt 1 75 h...

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