SWR WorkingPro 12 User manual

WorkingPro™ 12
COMBO AMPLIFIER

Important Safety Instructions
This symbol warns the user of dangerous voltage levels localized within the
enclosure.
This symbol advises the user to read all accompanying literature for safe
operation of the unit.
∆ Read, retain, and follow all instructions. Heed all warnings.
∆ Only connect the power supply cord to an earth grounded AC receptacle in accordance
with the voltage and frequency ratings listed under INPUT POWER on the rear panel of
this product.
∆ WARNING: To prevent damage, fire or shock hazard, do not expose this unit to rain or
moisture.
∆ Unplug the power supply cord before cleaning the unit exterior (use a damp cloth only).
Wait until the unit is completely dry before reconnecting it to power.
∆ Maintain at least 6 inches (15.25 cm) of unobstructed air space behind the unit to allow
for proper ventilation and cooling of the unit.
∆ This product should be located away from heat sources such as radiators, heat registers,
or other products that produce heat.
∆ This product may be equipped with a polarized plug (one blade wider than the other).
This is a safety feature. If you are unable to insert the plug into the outlet, contact an
electrician to replace your obsolete outlet. Do not defeat the safety purpose of this
plug.
∆ Protect the power supply cord from being pinched or abraded.
∆ This product should only be used with a cart or stand that is recommended by the
manufacturer.
∆ The power supply cord of this product should be unplugged from the outlet when left
unused for a long period of time, or during electrical storms.
∆ This product should be serviced by qualified service personnel when: the power supply
cord or the plug has been damaged; or objects have fallen, or liquid has been spilled onto
the product; or the product has been exposed to rain; or the product does not appear to
operate normally or exhibits a marked change in performance; or the product has been
dropped, or the enclosure damaged.
∆ Do not drip nor splash liquids, nor place liquid filled containers on the unit.
∆ CAUTION: No user serviceable parts inside, refer servicing to qualified personnel only.
∆ SWR® amplifiers and loudspeaker systems are capable of producing very high sound
pressure levels which may cause temporary or permanent hearing damage. Use care
when setting and adjusting volume levels during use.
∆ Hazardous voltages may be present within the cabinet even when the power switch is off and
the power cord is connected. Therefore, disconnect the power cord from the rear panel power
inlet before servicing. The power inlet must remain readily operable.
 
  
 
 

 
 

◊ ◊
6
Front Panel
SWR® WorkingPro™ 12 Combo Amplifier
        


       

 

 
     
      

        

 





 

       



          

       
  

 
  
 For active (pre-amplified) bass guitars    
        


      except

      
 

       

         
        


       

        

 
not 
  

7
◊ ◊
Front Panel
 


     
      
        
   
        
         

How the AURAL ENHANCER Works:      
        
        
        

  




        
         


 
 
  
       
          
       

 

      

      

 
 
        
         
        
  
      

       
      
    
          


     

     
     


 

         

          



        
        
        
 
 
       

 
(LIMITER OFF) 
 
 

Power amp clipping
can be harmful to equipment! Use the LIMITER or reduce
MASTER Volume {K} if POWER AMP CLIP flashes often.
        
        
     
       
  
not


 


◊ ◊
8
Rear Panel
      

         

      
         
       
 
      
        

 
 
 
       Impedance
Guidelines 
        

        

 

         
         
       

       

        
       
 
     
        
      
       

  
• EFFECTS LOOP—
       
       
         

 
• MULTIPLE AMPS—     
      
 

 
• RECORDING OR REINFORCEMENT— 

• ACCOMPANIMENT—     
       

         
        

        
        
       
        

 
 

9
◊ ◊
Rear Panel
Monitor Input Panel
 CAUTION! For line-level
inputs only! Δ Amplified (speaker level) inputs will damage
your equipment!
       line-level 
• Line Out
     • Monitor Send 
        
• Headphones Out   
      
 
 


        
        
        

 
       
       
        

         


      
      
 
        

    
 
       
      


       
       
     
       

      
       
       



◊ ◊
10
Impedance Guidelines
Specifications
PART NUMBERS: 4452200010 (120V, 60Hz)
4452203010 (240V, 50Hz) AUS
4452204010 (230V, 50Hz) UK
4452206010 (230V, 50Hz) EUR
4452207010 (100V, 50Hz) JPN
POWER REQUIREMENT: 650W
POWER AMP MINIMUM IMPEDANCE: 4Ω
POWER OUTPUT: 200W RMS into 4Ω @ < 0.1% THD, 1kHz
PRE AMP INPUT IMPEDANCE: 3.9M
SENSITIVITY AT FULL POWER: 15mV
TONE CONTROLS BASS: ±15dB @ 100Hz
MID: ±15dB @ 800Hz
TREBLE: ±15dB @ 2kHz
EFFECTS LOOP SEND IMPEDANCE: 1.5kΩ
RETURN IMPEDANCE: 27kΩ
UNBALANCED LINE OUT SEND IMPEDANCE: 1.5kΩ
BALANCED LINE OUT SEND IMPEDANCE: 1.5kΩ
FOOTSWITCH (OPTIONAL): 2-button, Mute, Bass Intensifier™ (P/N 065436)
LINE FUSE 100V MODELS: F8A L, 250V
120V MODELS: F6A L, 250V
230V-240V MODELS: F3.15A L, 250V
SPEAKERS: 1 Eminence® 12'' 4Ω (071300)
DIMENSIONS HEIGHT: 22.5 in (57cm)
WIDTH: 18.5 in (47cm)
DEPTH: 18.5 in (47cm)
WEIGHT: 44lb (20kg)
Product specifications are subject to change without notice.
      



        

     



     
     


this section applies to parallel speaker con-
nections only.

       



        





CAUTION!below


above


      
        
swrsound.com/support/setuptips.php  
Bass
Player™ Magazine.