Northern Airborne Technology PA700 - Manual (Page 6)

PA700 Series High Power Voice Amplifier
SM44 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-2
ENG-FORM: 800-0114.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
1.4 Specifications
1.4.1 Electrical Specifications
Input Power
Supply Voltage +24 to +36 Vdc normal
+40 Vdc max.
Supply Impedance
<0.05
Ω
Supply Current
1.0 A @ +28 Vdc (no signal)
35 A max. @ +28 Vdc (full power out)
8 A average @ +28 Vdc (voice operation)
Input Signals
The signal levels shown below are required for full amplifier drive at the points and impedances
shown.
JACK PINS IMPEDANCE INPUT LEVEL
MIC A-C 150
Ω ±15 Ω
0.005 Vrms
REC B-C 600 Ω ±55 Ω 0.5 Vrms
REC A-C 2000 Ω ±150 Ω 1.0 Vrms
Output Signals
Output Power
700 watts into 1.4
Ω, with a 5 mVrms, 1 kHz signal applied to the
microphone input.
Output Load Impedance
1.4
Ω each channel.
Amplifier shut-down if load <1
Ω.
Frequency Response
<3 dB over 300 to 10,000 Hz
Harmonic Distortion
≤10% at 40% rated power, with 1000 Hz sine wave input.
1.4.2 Physical Specifications
Up to Serial No. 1075 Serial No. 1076 and up
Height 5.68" (144.3 mm) 5.78" (146.8 mm)
Depth
10.00" (254.0 mm) 10.00" (254.0 mm)
Width
8.75" (222.3 mm) 8.75" (222.3 mm)
Weight
9.88 lbs (4.485 kg) 9.9 lbs (4.54 kg)