SWR Sound POWER 750 Power 750 Power Delivery Capabilities Power Ratings, Speaker Output Jacks

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POWER 750 POWER DELIVERY CAPABILITIES (POWER RATINGS)

After determining how the number of cabinets you wish to run affects the total operating impedance, you need to take into account the power handling capabilities of your speaker cabinets as compared to what the Power 750 can deliver at that imped- ance. Those ratings are as follows:

850 watts @ 2.6 ohms

750 watts @ 4 ohms

450 watts @ 8 ohms

So if you have two 8 ohm speaker cabinets, they will each get up to 375 watts of power, and more

during transient peaks. A single 4 ohm cabinet will get up to 750 watts of power. Make sure your speaker cabinets can handle the horsepower!

This is even more crucial when running at the minimum impedance. When operating your Power 750 at 2.6 ohms, the com- bined power handling of your 4 ohm and 8 ohm cabinet had better be at least 850 watts. To be safe, each individual cabinet (especially the 4 ohm cabinet) should handle at least 500

watts. Don't guess or assume that your speaker cabinets can handle the power listed above - get the specs and make sure!

Also be aware that when running the Power 750 at 2.6 ohms, you are operating at the maximum

capacity of the power amplifier. If you're sending too hot a signal from your preamp, and your Power 750 Volume control is set high as well, you may hear audible clipping of the power amp (and the +3

Red LED on the front panel should be glowing). If so, you have exceeded the maximum capacity of the power amp. Continual clipping of the power amp section can cause damage to the power amplifier and/or your loudspeakers.

Remember, it's always better to have a little too much power than just barely enough. If you find yourself constantly wanting more power than the Power 750 provides, either:

a)ask your bandmates to turn down

b)ask the monitor engineer to turn you up

c)(best option) take the time to investigate getting another external power amp and/or additional speaker cabinets to supple- ment your system

NOTE: The frequency response of the Power 750 is far greater than usually found in musical instrument amplifiers (20 Hz to 40 kHz). This was engineered in order to give the bass player the same punch and clarity on stage as found in the studio or concert P.A. systems. Therefore, it is doubly important that you are aware of the impedance and power rating of the speakers that you intend to use, and that they are compatible with the Power 750.

Speakers that have been overdriven are easy to detect and generally do not fall under manufacturer warranty.

SPEAKER OUTPUT JACKS

There are two 1/4" jacks and two Speakon jacks provided for the output section of the Power 750. Make sure all speakers are properly connected BEFORE turning on the Mo' Bass whenever possible. Generally it's a bad idea to plug or unplug your speak- ers while the unit is on.

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Contents Power Important Safety Instructions Introduction Rear Panel Features SWR PowerFront Panel Features Noise Power 750 SpecificationsPower Output Input ImpedanceGetting Started Connecting Your Speaker CabinetsUsing ONE Speaker Cabinet Using TWO Speaker CabinetsTurning the Unit on Getting Sound OUT of the PowerConnecting Your Preamp to the Power Front Panel Features Rear Panel Features Power 750 Power Amplifier Minimum Impedance Ratings HOW Impedance Affects Power RatingsSpeaker Output Jacks Power 750 Power Delivery Capabilities Power RatingsSpeaker Fuse Cooling FAN Defeat SwitchSpeakon VS /4 Jacks Speaker CableRack Mounting Instructions FEW Words Concerning HeatElectrical and Grounding Considerations Should Your SWR Amplifier Require Service or Repair Limited Warranty