Specifications and Main Features
- Model: PA-700
- Type: Professional Stereo Power Amplifier
- Output Power:
- 210 watts minimum sine wave continuous average power output per channel with 8-ohm loads (20 Hz to 20 kHz).
- 355 watts IHF dynamic headroom (4-ohm loads).
- 710 watts in bridged mono mode into 8 ohms.
- 624 watts into 8 ohms for 70.7 volt RMS lines.
- Total Harmonic Distortion: Max 0,1% from the other’s power level of 250 milliwatts and 210 watts.
- Intermodulation Distortion: 0.03% Max from 250 milliwatts to rated output range of frequencies 60 Hz and 7kHz with ratio of 4:1.
- Frequency Response: +0, -3dB, 1Hz to 100kHz; +0,-0.25dB, 20Hz to 20K.
- Hum and Noise Level: < 102dB better than rated output of the amplifier in 8-ohms.
- Input Sensitivity: Maximum output for 1.23 volts.signal, voltage gain 32.5 times (30.24dB).
- Input Impedance: 10 k ohms
- Damping Factor: 150 for 8-ohms @ 1kHz.
- Output Impedance: 4 ohms or greater.
- Power Requirements: Internally jumper selectable rated input voltages are 100, 120, 200, 220 or 240 volts, AC at 50/60 Hz.
- Measurements: 5 1/4 inches in height, 19 inches in width, and 11 3/4 inches in depth.
- Weight: Net weight of 41 lbs (approximately) whereas the shipping weight is 47 lbs (approximately).
- Protection and Indicators:
- Clipping indicators (red LED lights).
- A magnetic circuit breaker that is rocker-actuated to protect against overloading the mains supply.
- Short circuit and harmful DC relay circuitry for speaker protection against short circuits.
Frequently Asked Questions
Q1: What is the power output of the PA-700 amplifier?
A1: The PA-700 channels offer an output of 210 watts when connected to 8-ohm loads. In bridged mono, the output increases to 710 watts for 8-ohm consumers.
Q2: What kind of distortion can be expected from this amplifier?
A2: The amplifier has a maximum total harmonic distortion of 0.1% at wide range power ratings between 250-milliwatts and 210 watts, while intermodulation distortion is below 0.03%.
Q3: Can the PA-700 be used for both stereo and mono applications?
A3: . It can be. The PA-700 possesses both stereo and mono (bridged) operating functions, while only the Channel One input is to be utilized for mono mode of operation.
Q4: What type of connections does the PA-700 support for speakers?
A4: A four pair of binding posts for speakers that accepts banana plugs, spade lugs or tinned wire.
Q5: Describe the frequency response of the amplifier.
A5: The frequency response is +0, -3dB within the range of 1Hz to 100kHz and +0, -0.25dB from 20Hz to 20kHz.
Q6: Does the PA-700 have any speaker protection circuitry built into it?
A6: Yes, the PA-700 incorporates a relay circuitry which is triggered whenever a short circuit or excessive DC current is present across the output terminals, hence disconnecting the load.
Q7: What is the procedure for setting the amplifier to different voltage levels?
A7: There is an internal jumper within the PA-700 and it is set according to 100, 120, 200, 220 or 240 volts 50/60 Hz.
Q8: What is a PA-700?
A8: Measurements for the amplifier include height: 5 1/4 inches, width 19 inches, and depth: 11 3/4 inches.
Q9: What is the weight of the PA-700?
A9: The PA-700 has a net weight of 41lb and a shipping weight of 47lb.
Q10: Describe the cooling method used by the PA-700 amplifier.
A10: Convection cooling is done with horizontal fins and grill work, arranged for air to flow forward from the amplifier.
User Manual
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