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covered  by  product  warranties,  and  Margules  Audio 
specifically disclaims responsibility for any such damage.  

• 

Power Cord

: The removable  power cord provided with 

your  player  was  specifically  designed  for  use  with  this 
product,  but  other  AC  cords  may  be  used.  Consult  your 
dealer for advice on AC power cords and high quality wire 
in your system.  

• 

AC  Fuse

:  The  fuse  is  located  inside  the 

chassis  and  is  not  user  serviceable.  If  the 
unit  does  not  power  up,  contact  an 
authorized service representative  

• 

Wiring

:  Cables  running  inside  walls  should  have  the 

appropriate  markings  to  indicate  compliance  and  listing 
by  the  UL,  CSA  or  other  standards  required  by  the  UL, 
CSA,  NEC  or  your  local  building  code.  Questions  about 
cables  inside  of  walls  should  be  referred  to  a  qualified 
custom  installer,  a  licensed  electrician,  or  low-voltage 
contractor.  

18. 

RECORDING 

COPYRIGHT

Recording 

of 

copyrighted material for other than personal use is illegal 
without permission of the copyright holder.  

19. 

NOTE  TO  CATV  SYSTEM  INSTALLER

:  This 

reminder  is  provided  to  call  the  CATV  system  installer's 

attention  to  article  820-40  of  the  NEC,  ANSI/NFPA  70, 
which  provides  guidelines  for  proper  grounding  and,  in 
particular,  specifies  that  the  cable  ground  shall  be 
connected  to  the  grounding  system  of  the  building  as 
close to the point of cable entry as practical.  

20. 

FCC INFORMATION FOR USER

:  

• 

CAUTION

Any 

changes 

or 

modifications  not  expressly  approved 
by  Margules  Audio  could  void  the  user's  authority  to 
operate the equipment. 

•  These  limits  are  designed  to  provide  reasonable 
protection  against  harmful  interference  in  a  residential 
installation.  This  equipment  generates  and  can  radiate 
radio  frequency  energy,  and  if  not  installed  and  used  in 
accordance  with  the  instructions  it  may  cause  harmful 
interference  to  radio  communications.  However,  there  is 
no  guarantee  that  interference  will  not  occur  in  a 
particular  installation.  If  this  equipment  does  cause 
harmful  interference  to  radio  or  television  reception, 
which  can  be  determined  by  turning  the  equipment  off 
and  on,  the  user  is  encouraged  to  try  to  correct  the 
interference by one or more of the following measures:  

• Reorient or relocate the receiving antenna.  

Summary of Contents for U280SC

Page 1: ...Amplifier U280 SC 25th anniversary...

Page 2: ...ndry tub or in a damp environment like a basement or outside in the rain 5 WALL OR CEILING MOUNTING Mount the unit to a wall or ceiling only in the manner recommended by the manufacturer 6 OBJECT AND...

Page 3: ...lightning and power line surge damage 13 POWER LINES Do not locate an outside antenna system in the vicinity of overhead power lines or other electric light or power circuits When installing an outsid...

Page 4: ...TEM INSTALLER This reminder is provided to call the CATV system installer s attention to article 820 40 of the NEC ANSI NFPA 70 which provides guidelines for proper grounding and in particular specifi...

Page 5: ...ode provides information regarding proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna dis...

Page 6: ...the aerospace industry assuring long trouble free operation The New U280 SC 25th Anniversary Stereo Tube Amplifier includes a new and improved differential output as well further reducing the THD and...

Page 7: ...SETUP IMPORTANT The amplifier should be unplugged from the wall outlet First choose the proper output impedance accordingly to your speaker both channels should be the same 1 2 ohms from 1 to 2 ohms l...

Page 8: ...change the tubes just unplug the A C power line cord pull out the old ones and insert the new tubes the active bias will balance them We recommend matched pair output tubes but this is not indispensa...

Page 9: ...an use a soft lightly humid cloth WARNING Never take the tubes out while the amplifier is plugged It is important to substitute the tubes with the correct numbers Troubleshooting Doesn t turn on Look...

Page 10: ...fields near the signal ones Because you have a servo controlled bias and the BEFS always use the best interconnections cables AC power line and loudspeakers cables that you can get We recommend havin...

Page 11: ...ed with the product c Repair or attempted repair by anyone not authorized by Margules Audio to repair the product d Any shipment of the product claims must be presented to the carrier e Any cause othe...

Page 12: ...ntability and fitness for particular purchase are limited in duration to the length of this warranty Exclusion of Damages Margules Audio s liability for any defective product is limited to repair or r...

Page 13: ...525 514 7448 Toll free 1 888 538 8605 FAX 525 533 4654 Email info margules com mx MARGULES USA 820 Elm Drive div PetalumaCA 94952 Phone number 707 5811830 Collect USA Canada 1 888 538 8605 Fax number...

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