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ENGLISH

4

1. Introduction

Thank you for choosing Bowers & Wilkins.

The SA250 Mk2 is designed to power and apply the 
correct equalisation to the ISW-3 and ISW-4 custom 
install subwoofers. It is not suitable for driving any other 
loudspeakers.

Please read this manual fully before unpacking and installing 
the product. It will help you to optimise its performance. 
In addition, please read and observe the important safety 
instructions on the accompanying leaflet. Keep both 
documents in a safe place for future reference.

Installation instructions for the subwoofers themselves are 
provided with those products.

B&W maintains a network of dedicated distributors in over 
60 countries who will be able to help you should you have 
any problems your dealer cannot resolve.

Environmental Information

This product complies with international directives, including 
but not limited to:

 The Restriction of Hazardous Substances (RoHS) in 
electrical and electronic equipment,

ii 

 The Registration, Evaluation, Authorisation and 
restriction of CHemicals (REACH)

iii 

 The disposal of Waste Electrical and Electronic 
Equipment (WEEE).

Consult your local waste disposal authority for guidance on 
how properly to recycle or dispose of this product.

In addition to the amplifier itself, check in the carton for:

1 x Power cable

1 x 4-pole Neutrik® Speakon® plug

2 x Rack-mount brackets

4 x Long Phillips screws and washers

6 x Short Phillips screws and washers

4 x Rubber hole plugs

2 x Handles

2. Carton contents 

Summary of Contents for SA250 Mk2

Page 1: ......

Page 2: ...la ingenier a innovadora y la tecnolog a avanzada eran las claves a la hora de llevar el disfrute del sonido a la intimidad del hogar Una creencia que seguimos compartiendo y que inspira todos y cada...

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Page 4: ...ted distributors in over 60 countries who will be able to help you should you have any problems your dealer cannot resolve Environmental Information This product complies with international directives...

Page 5: ...from the mains power supply Rack Mounting The SA250 Mk2 is supplied with two rack mounting brackets for installation in standard equipment racks above Attach the brackets by inserting three of the sho...

Page 6: ...ower input socket IEC C18 Front Panel Controls below 1 Power Illuminates to indicate the amplifier is switched on 2 Fault Illuminates to indicate a fault condition 3 Standby Auto On Provides switch on...

Page 7: ...A250 Mk2 can drive one or two identical subwoofers in parallel If you need more than two subwoofers in the installation or if you want separate left and right channel subwoofers in a stereo installati...

Page 8: ...tion to a second amplifier is shown Connection to a surround processor Connect the LFE or Subwoofer output of the processor to a Line In socket of the SA250 Mk2 If the processor has a balanced output...

Page 9: ...ed connections above right Otherwise use unbalanced connections above left Connection to a stereo pre amplifier You can combine both left and right channels into one or two subwoofers using a single S...

Page 10: ...to your processor manual for further details on how to set the levels On the Rear Panel Subwoofer Equalisation Set the subwoofer switch 5 on the rear panel to the appropriate model On the Front Panel...

Page 11: ...l to the satellite speakers The subwoofer s LOW PASS FILTER should be switched to Off because the processor provides all necessary filtering However the position of the PHASE switch must still be asse...

Page 12: ...applied to the trigger input the EQ reverts to Movies Care must be taken in setup of the processor in order to take advantage of this feature 2 channel Audio Set the system up in the preferred positi...

Page 13: ...A Standard C22 2 No 60065 Complies with Part 15 of the FCC Rules Operation is subject to the following conditions 1 This device does not cause harmful interference and 2 This device must accept any in...

Page 14: ......

Page 15: ...ications Description Drive units Frequency range Frequency response Bass extension Power Handling Dimensions Cut out size Net weight Finish Frame Grille Accessories Back Box Box Net Weight Material In...

Page 16: ...impedance Signal noise Rated power consumption Dimensions Net weight Finish 250W rack mount amplifier with built in subwoofer equalisation 2x RCA Phono socket line in 2x RCA Phono socket link out 1x X...

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Page 18: ...protective earthing ground ng connection Apparatus marl ed with the double insulated symbol Q does not require an earthing connectJon 20 Someproducts are 1ntended for sale in more than one country an...

Page 19: ...cumple los requisitos esenciales y otras estipulaciones relevantes de la Directiva 2014 35 UE y cualquier otro requisito de las directivas que se apliquen en la UE Para leer la declaraci6n de conform...

Page 20: ...I r Make Bowers Wilkins Model No Serial No 1 Date of Purchase Where Purchased L J...

Page 21: ...B W Group Ltd Dale Road Worthing West Sussex BN11 2BH England CE...

Page 22: ...Bowers Wilkins Custom Installation...

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Page 38: ...www bowers wilkins com...

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