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General| Total Harmonic Distortion (THD) at full rated power | <0.1% |
|---|---|
| Power Output (8 Ohms) | 250W |
| Power Output (4 Ohms) | 400W |
| Frequency Response | 10 Hz - 100 kHz |
| Total Harmonic Distortion (THD) | <0.05% |
| Damping Factor | >800 |
Read and retain instructions, heed warnings, and follow operating guidelines.
Guidelines for cleaning, water, ventilation, power, and protection.
Service checks, mounting, and heat proximity advice.
Details on unpacking the Model 2250 and its included accessories.
Section to record serial number, purchase date, and dealer details.
Details on setting the voltage selector switch for correct AC line voltage.
Guidelines for placing the unit away from heat and ensuring proper airflow.
Instructions for mounting the Model 2250 in a standard 19-inch equipment rack.
Important safety steps before connecting cables or wires.
Connecting audio cables from preamplifier or system controller.
Replicating audio input signals for daisy-chaining other amplifiers.
Adjusting listening level and gain for each channel.
Using the filter to pass frequencies above 20 Hz or 40 Hz.
Details on connecting speaker wire to terminal pairs A and B.
Ensuring correct positive and negative connections for speaker wires.
Switching between stereo and mono bridged operation modes.
Information and recommendations for bridged mono configuration.
Step-by-step guide for setting up bridged mono operation.
Setting the switch for speaker loads to prevent overheating.
Configuring the unit to turn on automatically via 12V trigger or audio signal.
Connecting a 12V trigger source using a 2.5mm sub-mini jack.
Details on Manual, Audio Sens, and 12V Trigger operation modes.
Daisy-chaining trigger voltage to other components.
Adjusting the audio signal threshold for auto turn-on.
Using the ground lift switch to eliminate background hum.
Controls for powering on/off and selecting speaker pairs.
Explanation of L/R, Protect, and Hi-Temp indicator lights.
Troubleshooting steps for when the unit produces no audio output.
Solutions for eliminating unwanted humming noises from speakers.
Steps to take if the unit is experiencing overheating issues.
Procedures for returning a unit for service, including RA numbers.
Reasons why Parasound may refuse a returned unit.
Conditions under which warranty repair is not eligible.
Details on RMS power output, THD, IM distortion, and headroom.
Information on input impedance, sensitivity, and crosstalk.
Specs for auto turn-on, AC power, dimensions, and weight.
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