Assessments - 2, GPA: 4
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- Inductor low pass filter Capacitor high pass filters Insignia NS-A1000 Car Stereo Amplifier To adjust input sensitivity: 1 Set INPUT LEVEL control at mid-point. If distortion is heard immediately, turn control to MIN until the sound is clear. 2 Listen for audible distortion as you increase your car stereo's volume control. If you do not hear any distortion, turn the adjustment level control slowly toward MAX, until you hear audible distortion, then decrease the level to a point where no distortion is heard. Using your amplifier Functions and controls LINEINPUTRCHLCHHIINPUTLEVELMINMAXBASSBOOSTHPFLPFX-OVER0dB18dB40Hz250Hz40Hz502zHLINEOUTPUTRCHHPFLPFFULLPOWER(GREEN) PROTECT(RED) REMOTECONTROLLCH10612345789 Item Name Function or Control 1 Line Input Left and right channel inputs to the amplifier system. Connect preamplifier outputs from a source (such as a head unit, CD player, or DAT) or from an external electronic crossover. 2 High level input Left and right high level inputs to the amplifier. Connect high level inputs. 3 Level Input sensitivity level. Turn clockwise to increase sensitivity. 4 Bass boost Turn clockwise to increase bass boost at 50 Hz level. Insignia NS-A1000 Car Stereo Amplifier Item Name Function or Control 5 H PF Set for High Pass Filter frequency (40 Hz to 250 Hz). 6 Remote bass control knob Turn clockwise to increase the bass output of your amplifier (0-18 dB) without adjusting the amplifier. 7 X-Over Set for High Pass Filter, Low Pass Filter, or Full. 8 L PF Set for Low Pass Filter frequency (40 Hz to 250 Hz). 9 Power/ protection indicator LED Green LED lit—Amplifier is on and functioning correctly. Red LED lit—Amplifier is in self-protect mode. 10 Line Output Use these connections to feed audio to a second amplifier. Line output is affected by the cross-over settings on the amplifier. Specifications Model NS-A1000 @ 2 Ohms 155 W . 2 channels @ 1% THD @ 4 Ohms 110 W . 2 channels @ 1% THD Mono 320 W @ 1% THD Signal to Noise ratio >98 dB Channel separation >55 dB Frequency response ±1.0 dB 10 Hz - 30 KHz HPF 40 Hz - 250 Hz LPF 40 Hz - 250 Hz Adjustable sensitivity range 0.2-1 V Input - low level 10K Ohms Impedance - high level 100 Ohms Fuse 25AX2 Dimensions (W . H . L) 10.2 . 2.1 . 12.8 in (25.9 . 5.33 . 32.5 cm) Insignia NS-A1000 Car Stereo Amplifier Troubleshooting Before removing your amplifier, locate the problem in the following table. Always test the speakers and speaker wires before troubleshooting the amplifier. Symptom Check Solution No sound Is the power indicator LED lit? • Check the amplifier fuses. • Make sure that the remote turn on wire is connected. • Check the signal leads. • Check the gain control. • Check the source volume level. • Clean the contacts on the fuse holders. Is the fault LED lit? • Check for a speaker short circuit, amplifier overheating, or low voltage. The amplifier will not turn on Is there power to the power wire? • Make sure that the amplifier has a good ground connection. • Repair the power wire or the connections. Is there power to the remote turn on wire with the receiver on? • Check the connections to the +12 V source. Is there a blown fuse? • Change the fuse. No sound on one channel Check the speaker leads. • Check for a short circuit or open connection. Repair if found. Check the Audio input leads. • Reverse the left and right inputs to determine if the fault is occurring before the amplifier. The amplifier is turning off at medium to high volume levels Check the speaker load impedance. • Make sure that the correct speaker load impedance recommendations are followed. • Check the speaker resistance with an ohmmeter. The protection LED is on (Red) Is the amplifier very hot? • Turn off the source unit and wait until the amplifier cools. Is there a short in the speaker wires? • Separate and insulate the speaker wires. Insignia NS-A1000 Car Stereo Amplifier Copyright © 2007 Insignia. Insignia and the Insignia logo are trademarks of Best Buy Enterprise Services, Inc. Other brands and product names are trademarks or registered trademarks of their respective holders. Specifications and features are subject to change without notice or obligation. For service and support call (877) 467-4289. Insignia NS-A1000 Car Stereo Amplifier Insignia NS-A1000 Car Stereo Amplifier 90-Day Limited Warranty Insignia Products (“Insignia”) warrants to you, the original purchaser of this new NS-A1000 (“Product”), that the Product shall be free of defects in the original manufacture of the material or workmanship for a period of 90 days from the date of your purchase of the Product (“Warranty Period”). This Product must be purchased from an authorized dealer of Insignia brand products and packaged with this warranty statement. This warranty does not cover refurbished Product. If you notify Insignia during the Warranty Period of a defect covered by...
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