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Name:……………………………………………………………………………..…… 
 
 
Address:……………………………………………………………………………….. 
 
…………………………………………………………………………………………. 
 
…………………………………………………………………………………………. 
 
 
 
Store where purchased: ……………………………………………………………….. 
 
 
Model   REFERENCE 150MkII 
 
 
 
Date of purchase:…………………………….Serial number:………………………… 

MJ ACOUSTICS  warrants to the original purchaser only, that this product is free from defects in material and 
workmanship under normal use within three years from date of purchase, in the United Kingdom only, provided that 
registration is submitted to M J Acoustics within 28 days from date of purchase. All parts, except the external cabinet 
finish are warranted as stated from date of purchase.  Under this warranty M J Acoustics agrees to repair any defect or at 
the company’s discretion, replace the faulty component(s) without charge for parts and labour provided the unit is returned 
carriage paid both ways.  Defective parts will be replaced if in the sole judgement of MJ ACOUSTICS they be deemed 
defective over and above that considered to be normal wear and tear. 
 
This warranty does not apply to equipment showing abuse, misuse, neglect or damage or to parts that in the judgement of 
MJ ACOUSTICS are not defective or have been used for purposes outside the scope of its design , nor does it extend to 
any equipment which may have been tampered with, altered or repaired outside an authorised MJ ACOUSTICS service 
station, and on which the serial number has been defaced, modified or removed. This warranty is in lieu of any other 
warranty expressed or implied and there is no other warranty or warranties valid for your purchase. No one is authorised 
to assume any liability on behalf of MJ ACOUSTICS or impose any obligation on it in connection with the sale of any 
equipment other than as stated in this warranty and outlined above. 
 
MJ ACOUSTICS’ liability, for any defective product, is limited to repair or replacement of the product, at our sole option. 
MJ ACOUSTICS shall not be liable or responsible, under any circumstances, for such indirect or consequential damages 
as from interrupted operations or other causes howsoever related.  Additionally  the  Reference 150 is not intended for use 
in a commercial environment and the warranty  applies for domestic use only. 
 
If your unit requires service it should be sent to MJ ACOUSTICS service department, any shipping charges are the 
responsibility of the owner, this includes return shipping charges. SERVICE DEPARTMENT:-  MJ Acoustics, Service 
Department, 9 Venture Court, Boleness Road, WISBECH, Cambridgeshire. PE13 2XQ 

WARRANTY 

Reference 

150

  User’s Manual 

 

 

Please print clearly 

14/12/2005 (Ref – 150) 

Page 1 

User’s Manual 

Model

 

Reference

  

150

MkII

 

Table of Contents 

Safety Instructions  …………………..  page 2 
Precautions  

………………….. page 

Introduction   

…………………..  page 3 - 4 

Display Menu            ..…...…..………..  page 5 - 6 
Memories  

………………….. 

page 

Connectivity   

…………………..  page 7 - 8 

High Level Lead      ……………………   page 9 
Panel Layout & Features  ……………..  page 10 - 12 
Remote & Remote Eye  ….………..…..    page 12 
Set-up Hints & Tips  …………………..  page 13 
Specifications & Contents  ….…..……  page 14 
Warranty         

…………………..  page 16 

Natural Bass Impact Unparalleled in the Entertainment Environment

 

 

14/12/2005 (Ref – 150) 

Professional Reference 

Sub-Woofer 

 

For Home Cinema, 

Audiophile Specialists & Studios 

Summary of Contents for Reference 150

Page 1: ...ther warranty or warranties valid for your purchase No one is authorised to assume any liability on behalf of MJ ACOUSTICS or impose any obligation on it in connection with the sale of any equipment other than as stated in this warranty and outlined above MJ ACOUSTICS liability for any defective product is limited to repair or replacement of the product at our sole option MJ ACOUSTICS shall not be...

Page 2: ...een dropped or the enclosure damaged 17 Servicing The user should not attempt to service the appliance All servicing should be referred to qualified service personnel CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Caution To Reduce Risk of Electric Shock Do Not Remove Amplifier No User Serviceable Parts Inside Refer Servicing to Qualified Personnel The lightning flash with arrowhead symbol within an e...

Page 3: ... mains socket on the amplifier Always power down amplifier and switch off before making any connections It is dangerous to use any power cable that is cut or frayed If the power cable is damaged stop using it immediately and have it repaired Do not plug in or unplug the AC adaptor with wet hands Doing so may result in dangerous electric shock Do not remove the amplifier or touch any parts inside D...

Page 4: ...ush on the appropriate rotary control and push and hold for storing new settings See page 6 memories Reference 150 MkII User s Manual 14 12 2005 Ref 150 Page 13 Connect your subwoofer to your audio system using the low level phono interconnect supplied to the LFE input or the supplied high level lead Both connections can be made simultaneously Please refer to the separate instructions on page 9 fo...

Page 5: ...FE input received via the RCA line level connector This parameter enables high frequencies to be filtered out above the displayed setting with a 24dB slope from sources connected to this input Most but not all AV decoders offer an adjustable pre filtered output for the LFE content Offering this fully adjustable setting for the LFE crossover gives a more flexible use for this input and enables the ...

Page 6: ...ortion of the chassis under extreme load will detract from the goal of pure sound wave formation As we all know the creation of sound waves comes directly from the movement of the cone surface through the air The longer the movement of the cone termed as its excursion the more air it moves and up goes the sound pressure level We like to think of our 10 driver as the best of all worlds It has agili...

Page 7: ...e connected is 500w measured in PEC standard and only when connected in parallel with the speakers Do not connect direct to an amplifier unless in parallel with a speaker Damage may well occur if you do to the input circuit of the filter stage NB SEE WARNING on page 9 HI INPUT Speakon This jack connection is used to remotely shut down and switch on the control board circuits and amplifier stages P...

Page 8: ...al output stages then please check with the amplifier manufac turer s customer services department Most companies are very helpful and will be able to confirm this for you HIGH LEVEL LEAD CONNECTION Description A Speakon type 4 pole plug designed to match the socket on Sub Bass Amplifier Panels with 10m three core cable terminating in bare solder ends Connection when using one Active Sub Bass Syst...

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