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Introduction

Thank you for your purchase of the Radius 380 or 390 subwoofer, which has been designed and 
constructed using quality systems and materials to provide years of enjoyment, reliability and pride 
of ownership.

Music is and should be a natural enhancement of life. It stimulates the imagination, changes your 
mood, helps you relax, and provides endless hours of entertainment.  At Monitor Audio we pride 
ourselves in attempting to make the listening experience as close as possible to the original ‘music’ 
production.

Please read through this manual to familiarise yourself with any safety advice and how to set up 
your subwoofer to achieve the very best listening experience.

Please retain this manual for future reference.

Unpacking 

Care must be taken at all times when handling the subwoofer due to the weight 
and the construction of the product. We recommend a two-person lift wherever 
appropriate. 

The mains power cord(s) and 12 volt trigger lead are contained separately in the packaging and 
should be removed prior to unpacking the product.

To remove the subwoofer from its carton place some protective material on the floor and having 
removed any loose items (mains lead(s) and 12 volt trigger lead) from the top of the packaging, 
carefully invert the carton. Also see the icons printed on the carton.  Gradually pull the carton 
upwards to expose the subwoofer, which will be presented with its base uppermost.  Remove fixing 
tape from bag and expose the base/cabinet.  

ENGLISH

Summary of Contents for Radius 380

Page 1: ...o w n e r s m a n u a l Radius Radius 250 270 Radius 380 Radius 390...

Page 2: ......

Page 3: ...fer to achieve the very best listening experience Please retain this manual for future reference Unpacking Care must be taken at all times when handling the subwoofer due to the weight and the constru...

Page 4: ...s 1 and 2 on page 3 Never connect or disconnect the RCA input output leads with the subwoofer switched on Set Up Once the input cables are connected and the controls are set in accordance with the ini...

Page 5: ...the crossover dial to approximately 80Hz This may vary depending on room and tastes Note cable lengths should not exceed 10 metres to avoid interference from other electrical appliances 2 LFE Input RC...

Page 6: ...tch in the On position the subwoofer is permanently switched on under all conditions In the Auto position the subwoofer will automatically switch on when an input signal is received It will remain on...

Page 7: ...D N 200 Watts 1 THD N Amplifier Classification Class D amplifier with Switch mode power supply SMPSU Bass EQ Switch Music Movie Impact Phase Control 0 180 degrees Auto Sensing Line Level 3 5mV InputLe...

Page 8: ...wer Mode Switch in Auto or On position and signal source turned on Try adjusting the volume level of the source If it still does not turn on power up please contact your local dealer distributor or Mo...

Page 9: ...r Information Product Details Model Product Serial No Date of Purchase Dealer Details Dealer Name Address Town Post code Country e mail address Monitor Audio reserves the right to alter specifications...

Page 10: ...i o c o u k Monitor Audio Ltd 24 Brook Road Rayleigh Essex SS6 7XJ England Tel 44 0 1268 740580 Fax 44 0 1268 740589 Email info monitoraudio co uk Web www monitoraudio com Designed in the United King...

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