Margules SF220-20th User Manual Download Page 2

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 according to the manufa

cturer’s instructions with 

the suggested mounting accessory.  

4. 

WALL  OR  CEILING  MOUNTING

:  Mount  the  unit  to a 

wall  or  ceiling  only  in  the  manner  recommended  by  the 
manufacturer.  

5. 

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).  

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.  

Summary of Contents for SF220-20th

Page 1: ...SF220 20th Audio preamplifier...

Page 2: ...ND 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 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 outsi...

Page 4: ...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...

Page 5: ...Canadian Electrical Code 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 l...

Page 6: ...PC board is silver plated for maximum conductivity The SF220 is clean and effortless sounding that it brings out the best in any power amplifier even solid state models that sound constricted or edgy...

Page 7: ...gnal 6 to 5 Volts can be connected into as required 4 For the interconnections between your audio inputs the preamplifier and the amplifier see the figure 2 The SF220 has a direct input This connectio...

Page 8: ...he filaments on is the standby mode Controls The SF220 is designed to be easy to navigate all the main functions can be activated by the remote control or the buttons and knob in the unit All the main...

Page 9: ...Figure 1 Front and back of the SF220...

Page 10: ...Figure 2 Interconnection between the SF220 and U280 Figure 3 Integrated system with line noise suppressor...

Page 11: ...mensions height width depth 13 6 cm x 44cm x 3 cm WARNING Electrical hazard Misuse or failure to follow instructions properly may result in personal injury or death CAUTION No risk or personal injury...

Page 12: ...of the product 3 Any product on which the serial number has been defaced modified or removed 4 Accessories including but not limited to batteries cables mounting hardware and brackets cleaning accesso...

Page 13: ...e or loss of use of the product or any other damages whether incidental consequential or otherwise How State Law Relates to the Warranty Some states do not allow limitations on how long an implied war...

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