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IMPORTANT SAFETY INSTRUCTIONS  

 

CAUTION: 

To  reduce  the  risk  of  electric  shock,  do  not 

remove  the  cover.  There  are  no  user-serviceable  parts 
inside;  it  is  recommended  that  only  qualified  personnel 
service this component.  

 

 

 

1. 

OWNER’S  MANUAL

:  Before  powering  up  the 

equipment, read all safety and operating instructions and 
follow them as instructed. Retain the safety and operating 
instructions for future reference.  

2. 

ATTACHMENTS

:  Use  only  those  attachments 

recommended  by  the  unit  manufacturer,  as  others  may 
cause hazards.  

3. 

ACCESSORIES

: Do not place the unit on an unstable 

cart,  stand,  tripod,  bracket,  or  table.  The  unit  may  fall, 
causing  injury  to  a  person  or  damage  to  the  unit.  Mount 
the unit a

ccording to the manufacturer’s instructions with 

the suggested mounting accessory.  

4. 

WATER  AND  MOISTURE

:  Do  not  use  the  unit  near 

water  (for  example,  near  a  swimming  pool,  bath  tub, 

wash  bowl,  kitchen  sink,  or  laundry  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 LIQUID ENTRY

: Do not push objects of 

any  kind  into  the  unit  through  openings  as  they  could 
touch  dangerous  voltage  points  and  short-out  parts, 
possibly resulting in a fire or electric shock. Avoid spilling 
liquid of any kind on the unit. If water or any metal object 
(such  as  a  paper  clip,  coin,  or  staple)  accidentally  falls 
inside  the  unit,  disconnect  it  from  the  AC  power  source 
immediately  and  contact  Margules  Audio  for  further 
instructions.  

7. 

HEAT

: Position the unit away from heat  sources such 

as  radiators,  heat  registers,  stoves,  or  other  units 
(including amplifiers) that produce heat.  

8. 

VENTILATION

:  Slots  and  openings  in  the  cabinet 

create  ventilation  to  protect  the  component  from 
overheating.  Allow  at  least  6  inches  (16cm) of  clearance 
above the unit and an opening behind the unit for airflow. 
Do  not  place  the  unit  on  a  bed,  sofa,  rug,  built-in 
bookcase, or rack without adequate ventilation.  

Содержание U280SC

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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