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Specifications 

Output Power (1kHz, 0.1%THD)

FTC Power Rating <.01%THD. 
20Hz-20kHz 
(both channels driven) 
Rated Power Output,

Mono 1kHz 

Frequency Response 
   +0dB, -0.5dB 
Ban0dB, -3.0dB 

Signal-to-Noise 
(A Weighted, 650W@4

?   ) 

Input Impedance 

Input Sensitivity (200Wx2@8

? )

Slew Rate 

Damping Factor 

Input Connectors 

Output Connectors

Voltage Gain 

Power Requirements 

Power Supply Design

Dimensions

Height 
Width 
Depth 

World 600 

       275Wx2@2?  per channel      

             190Wx2@4?  per channel  

110Wx2@8

?  per channel  

500Wx1@4?   bridged

           350Wx1@8?   bridged  

20Hz - 20kHz  

15Hz - 45kHz  

>100dB

20K?

1V(0dBV)

<30V/microsecond

<500

World 1.2 

500Wx2@2?  per channel
350Wx2@4?  per channel 

200Wx2@8?  per channel 

      1000Wx1@4?   bridged 

700Wx1@8?   bridged 

20Hz - 20kHz    

15Hz - 45kHz    

>100dB 

20K? 

1V(0dBV) 

<30V/microsecond 

<500 

3-pin XLR,. 1/4” TRS 

    6-Gauge, 5-Way Binding Post 1/4” TRS 

Contents

 Introduction ………………………………………2
 Contents/For the Record ………………………….3
 Safety ………………………………………...4 & 5

   Special Features ………………………………...6-8

 Front Panel Features ……………………………...9
 Rear Panel Features ……………………………...10

   Installation ……………………………………11-15
   Trouble Shooting ……………………………..16-17  

Technical Information …………………………...18 

For The Record 

Please fill out and return the enclosed warranty card at 

your convenience. This information will provide proof of 

ownership for warranty purposes and will allow us to 

notify you if necessary. 

In the spaces provided below, record the model and 

serial number located at the rear of your amplifier.

 Model No. ________________________________

 Serial No. _________________________________

 Purchase Date _____________________________

 Retain this information for future reference. 

40x (32dB)

120C AC .3.5A 

High Speed Switching 

1.75 in (4.5cm)
 19 in (48.3 cm)

15.3 in (38.9 cm) 

behind front panel  14.8 in (37.6 cm)

Weight

 10 lbs (4.5kg)

18 

48.3x (38.7dB) 

120C AC  6A 

High Speed Switching 

1.75 in (4.5cm)

          19 in (48.3 cm)

15.3 in (38.9 cm)

          14.8 in (37.6 cm)

 11 lbs (5kg)

Summary of Contents for World 1.2

Page 1: ...ce 1982 Stewart Audio 14397 Cuesta Court Suite D1 Sonora CA 95370 Phone 209 588 8111 Fax 209 588 8113 support stewartaudio com We solicit your comments and suggestions World Series 600 1 2 Professional Power Amplifiers Owners Manual stewartaudio com ...

Page 2: ...ghing only 10 pounds while occupying just one standard rack space Thermal concerns are minimized in the World 600 by innovative circuitry and extraordinary efficiency making installation simpler than ever before The World 1 2 Professional Power Amplifier delivers more than 420 watts per channel in stereo mode and over 1000 watts when bridged for mono operation This remarkable performance comes in ...

Page 3: ... Binding Post 1 4 TRS Contents Introduction 2 Contents For the Record 3 Safety 4 5 Special Features 6 8 Front Panel Features 9 Rear Panel Features 10 Installation 11 15 Trouble Shooting 16 17 Technical Information 18 For The Record Please fill out and return the enclosed warranty card at your convenience This information will provide proof of ownership for warranty purposes and will allow us to no...

Page 4: ...r example near a bathtub in a wet basement near a swimming pool etc 3 The amplifier should be situated so that it s location and position does not interfere with its proper ventilation For example the amplifier must not be placed on a rug bed sofa or similar surface that impedes airflow across the chassis Airflow through the ventilation openings should be unobstructed 4 Troubleshooting Reference C...

Page 5: ... Power Supply Subsequent delays will be minimal as long as the World 600 World 1 2 remains connected to AC power 16 4 Do not place the amplifier near heat sources such as radiators heat registers stoves or other appliances that product heat 5 The amplifier should be only be connected to 120 VAC 60 Hz power supply Do not defeat the ground or polarization of the power plug 6 Route power cord and oth...

Page 6: ...an be bridged together to form a single channel In this configuration the load impedance is effectively divided between the two channels so that each channel sees half the impedance of the load This results in at least three times the power output of either single channel at the same impedance 6 Bridged Operation Operating your amplifier in Bridged or MONO mode allows the two channels to be used t...

Page 7: ...nana plugs spade lugs or bare wire up to 6AWG In addition the Binding Posts are positioned to allow one standard banana plug to be used when operating the amplifier in bridged mode 1 4 Phone output connectors are also provided wired in parallel with the Binding Posts In Rush Current Limiting A breakthrough from Stewart the World 600 World 1 2 unique inrush current limiting circuitry minimizes powe...

Page 8: ...ed at which point the supply will slowly ramp up to full power protecting the load from a surge of high energy In the event of an amplifier malfunction this circuitry will also protect the speakers since the power is immediately disconnected from the amplifier Most other amplifier designs require the presence of relatively high levels of signal in order to detect a short circuit on the output At l...

Page 9: ...00 World 1 2 is equipped with unique inrush current limiting circuitry which minimizes power drawn from the wall to 8 Amps of less on power up Multiple amplifiers may all be switched on at once without the need for staggered turn on configurations Input Wiring The world 600 World 1 2 s sections allow the use of XLR or 1 4 phone connectors and will accept either balanced or unbalanced input signals...

Page 10: ...g in the section on Installation page 14 for more details 10 Mono Stereo Switch The switch is used to Bridge the amplifier for mono operation Maximum rated power of the World 600 is 600 watts into 4 ohms and the World 1 2 is 1200 watts into 4 ohms IMPORTANT Never change the position of this switch while Amplifier is turned on Doing so could damage your equipment Note Amplifiers operating in bridge...

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