SWR Amplifier POWER 750, Owner'S Manual

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4 • POWER 750
750 Watts @ 4 ohms
450 Watts @ 8 ohms
(minimum load = 2.6 ohms)
INPUT IMPEDANCE:
Balanced = 10K ohms
Unbalanced = 33K ohms
OUTPUT IMPEDANCE:
Slave Output = 100 ohms
SENSITIVITY:
1.582 VRMS
LOAD CAPABILITY:
2.6 ohms to infinity
NOISE:
Residual = <.00072 volts (720 millivolts)
Signal to noise ratio = <-100 dB
DISTORTION:
< .026% THD, 1 kHz @ 8 ohms
< .13% THD, 20 Hz to 20 kHz @ 8 ohms
Intermodulation Distortion = .07%
POWER BANDWIDTH:
(@ 850 watts RMS) -3dB @ 20 Hz and 40 kHz
CHASSIS AND COVER MATERIAL:
Aluminum (with Chromed Steel Faceplate)
DIMENSIONS:
19"W x 5.38"H x 10.5"D (3 rack spaces)
WEIGHT:
32 lbs.
GETTING STARTED
CONNECTING YOUR SPEAKER CABINETS
The Power 750 is a MONO amplifier. All of the speaker outputs (both 1/4" and Speakon) are in parallel, meaning that they all run off of the same
mono power amplifier inside the unit. The number of speaker cabinets you use is your choice, but there are factors that will help you make that
choice. Please keep in mind that the Power 750 delivers 750 watts into one 4 ohm speaker cabinet. Make sure that your speaker cabinet can
handle the power listed in the "Power 750 Specifications" section of the manual.
USING ONE SPEAKER CABINET
First, locate the "Speaker Outputs" section on the rear panel of the unit. Connect the speaker cable of your choice (1/4" or Speakon) from the
Power 750 to your speaker cabinet. The impedance of your single speaker cabinet must be no lower than 2.6 OHMS. In real world terms, this
means a single 8 ohm or 4 ohm speaker cabinet will be OK, but not a single 2 ohm enclosure.
BE SURE that your single 8 ohm speaker cabinet can handle at least 450 watts, and that your single 4 ohm speaker cabinet can handle at least
750 watts of rated power.