icon Audio MB 845 MK IIm Скачать руководство пользователя страница 10

*See engineers notes at rear

 

 

 

Page 10 

9 Guarantee 

 

Thank  you  for  purchasing  one  of  our  amplifiers.  We 
hope you will be pleased with it. 
 

This  amplifier  is  guaranteed  by  the  dealer  you 
purchased  from  for  12  months  from  the  date  of 
purchase  for  parts  and  labour,  excluding 
shipping.  Valves  are  consumables  and  therefore 
on a 12 months pro-rata  wear basis.  Please keep 
your  receipt  as  proof  of  purchase,  this  will  be 
needed.  

 
All units are individually tested for performance for at 
least six hours before despatch to you. In the unlikely 
event  that  you  believe  the  unit  is  not  functioning 
correctly,  it  may  be  helpful  to  contact  us  first  as  we 
may  be  able  to  assist  you.  Then  we  would  request 
that you return the item to us for further action. 
 
You  are  advised  to  inform  us  of  any  change  of 
address or change of ownership in order that we may 
keep  you  up  to  date  of  any  upgrades  or 
improvements. Check our website. 
 

Exclusions 

Claims for any damage to  either amplifiers or valves 
must be reported within 24 hours of receipt. 
 
This  amplifier  is  designed  for  normal  domestic  hi  fi 
use.  It  is  not  guaranteed  for  commercial,  Public 
Address  use,  or  use  in  other  situations.  The 

guarantee  becomes  void  if  the  unit  has  been 
modified in any way not approved by Icon Audio. 
 

10 Packing Instructions 

It is essential that the original box and packing be 
kept  in  good  condition,  as  this  provides  vital 
protection  during  transit.  Please  do  not  write  on 
box, but use removable labels. 

Should the original 

box  and  packaging  be  lost  or  become  unusable  a 
repacking  charge  of  one  hundred  pounds  will  be 
made.  

 

Re-use  the  supplied  plastic  bag  to  keep  the 
amp clean and free from damp. 

 

The  mains  lead  fits  in  a  foam  cut-out 
underneath the amplifier. 

 

Send  the  valve  covers  and  valves  in  the 
separate  supplied  box.  See  above  for 
valve removal. 

 

Valves  should  be  removed,  numbered  and 
packed  in  “Bubblewrap”  or  similar  for 
protection inside the valve cover.  

 

If  the  amplifier  is  stored  in  the  box,  keep 
upright. 

 

Do  not  store  in  damp  conditions  as  the 
transformer windings will corrode. 

 

If  the  amplifiers  are  shipped  insurance  is 
desirable due to the high unit value. 

 

 

icon Audio 

UK LTD

 

351 Aylestone Road Leicester  LE2 8TA 

www.iconaudio.co.uk 

Phone +44 (0) 116 244 0593 Cell +44 (0) 778 715 8791 

Fax 0116 244 0593 

2019-09-27 G version 

 
 

Содержание MB 845 MK IIm

Страница 1: ...aler or one of our team Valve amplifiers do need a little more attention than their solid state counterparts but the sonic results are well worth it In this manual we have tried to include everything...

Страница 2: ...gs are less important This can be achieved by slowly rotating the V1 V2 screws on the top of the chassis make sure that you have the meter reading the correct valve e g adjust V1 whilst reading V1 If...

Страница 3: ...heck input Output Valve Bias level v Sound Quality Channel Balance Valve Microphony Valve Seating Hum level L R mv RF Test LED brightness Serial No sticker and recorded Mains voltage 110 120 230 240V...

Страница 4: ...See engineers notes at rear Page 4 MB845 MK IIm Layout and Features...

Страница 5: ...in the following way Brown to Live terminal Blue to Neutral terminal and Green Yellow to Earth terminal 6 SWITCH ON The meter should light up and the 845s will glow bright yellow You will likely hear...

Страница 6: ...be out of phase with the sound stage inside out with reduced bass If you are unable to check this or confirm the polarity e g if you have built in wiring Another alternative is to use a test disc If y...

Страница 7: ...be as hot as the others Refer to an engineer or to Icon Audio Spare internal fuses are secured inside the chassis Replacements are available free of charge from Icon Audio 3 Hum Problems If you experi...

Страница 8: ...middle of the black section 3 How to adjust The adjustment is very sensitive so adjust very carefully If the reading appears a little unstable this is normally due to mains fluctuations Make sure you...

Страница 9: ...anging both the 845s be ready to adjust the bias in order not to overload the power supply Don t worry how low the reading goes this will not cause damage Do final adjustment when the amplifier is ful...

Страница 10: ...d for normal domestic hi fi use It is not guaranteed for commercial Public Address use or use in other situations The guarantee becomes void if the unit has been modified in any way not approved by Ic...

Страница 11: ...he chassis with spares attached to the base If the fuse blows again a VARIAC or variable transformer will be useful to operate the amplifier on reduced power in order the trace the fault or overload M...

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