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NS-A1200b.fm Page 1 Monday, May 21, 2007 11:37 PM
User Guide | Guide de l’utilisateur | Guía del Usuario
Car Amplifier
Amplificateur de voiture | Amplificador para el auto
NS-A1200
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NS-A1200b.fm Page 2 Monday, May 21, 2007 11:37 PM
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NS-A1200b.fm Page 3 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Contents Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installing your amplifier . . .
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NS-A1200b.fm Page 4 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Safety information • Make sure that your stereo and other audio equipment is turned off while connecting the input jacks and speaker terminals of your amplifier. The +12 volt DC power wire must be fused at the battery positive (+) terminal connection. Before making or breaking power connections at this system’s power terminals, disconnect the +12V wire at the battery end. Because of the amplifier’s powe
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NS-A1200b.fm Page 5 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Features High-speed digital circuitry Fully regulated PWM power supply Four-way protection circuit 1 Ω stability Bridging synchronization Variable low pass: 50 Hz ~ 150 Hz Variable subsonic filter: 15 Hz ~ 40 Hz Phase switch: 0° ~ 180° System distress indicator Mono speaker output connector Remote dash mount low-level gain control with cable Nickel-plated heavy-duty power and speaker termi
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NS-A1200b.fm Page 6 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Item Description 2 BASS Adjust this control with a screwdriver to emphasize BOOST bass notes at 35 Hz~80 Hz by as much as 18 dB. control 3 LED PWR (Power)—This green LED turns on when the indicators amplifier is turned on. If it fails to turn on, check the power connections to the amplifier and fuses. Protect—This LED turns on when the amplifier’s protection circuitry disables the amplifier if input overloa
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NS-A1200b.fm Page 7 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Item Description 6 Input LEVEL Adjust this control with a screwdriver to change the control amplifier's input sensitivity. Input sensitivity is variable from 200 mV to 8 V. Clockwise increases sensitivity, and counter-clockwise decreases sensitivity. The amplifier can be driven to full power with a wide range of signal levels. A lower signal level will require increased sensitivity for full power. A higher
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NS-A1200b.fm Page 8 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Rear view Item Description 1 Remote bass boost control Remote bass boost control: NS-RM Plug this control into the REMOTE jack on the amplifier, then mount the control in an easy-to-access location. Adjust this control to change the bass boost gain for the amplifier’s speaker output (0 ~ 18 dB). 2 B+ terminal Because of the amplifier’s power requirements, this (battery connection should be made directly to
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NS-A1200b.fm Page 9 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Item Description 4 B- terminal To avoid unwanted ignition noise caused by ground (chassis loops, the amplifier must be grounded to a clean, ground) bare, metal surface of the vehicle’s chassis. The ground wire should not be more than three feet (one meter) long. Installing your amplifier Planning your system Before beginning the installation, consider the following: If you plan to expand your system by add
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NS-A1200b.fm Page 10 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Mounting your amplifier The mounting position of your amplifier will have a great effect on its ability to dissipate the heat generated during normal operation. It has an ample heat sink for heat dissipation, and is also designed with a thermal shut-down circuit (for heat protection). Directing air flow over the cooling fins will dramatically improve heat dissipation. Do not enclose the amplifier in a smal
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NS-A1200b.fm Page 11 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier To connect the power: 1 Connect the ground wire to the vehicle’s chassis. To avoid ignition noise caused by ground loops, the amplifier must be grounded to a clean, bare, metal surface of the vehicle’s chassis. Note Ground wire should not be more than three feet (one meter) long. 2 Connect the +12 volt (fused) constant power cable to the battery’s positive (+) terminal. Because of the amplifier’s power requ
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NS-A1200b.fm Page 12 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Connecting the speakers Single-amplifier system Front view To inputs of satellite From outputs of Woofer amplifier system source device Rear view Ground To remote turn-on Distribution from source device block In-line fuse holder Battery Capacitor www.insignia-products.com 12
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NS-A1200b.fm Page 13 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Bridging two amplifiers Master amp Speaker Bridged switch: impedence: Master position 2Ω Slave amp Bridged switch: Slave position Using your amplifier Turning on the amplifier The amplifier automatically turns on a few seconds after you turn your vehicle’s ignition switch to ACC or ON or turn on your sound system, depending upon how you wired the system. The POWER indicator on the top of the amplifier turn
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NS-A1200b.fm Page 14 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Adjusting the audio level by ear For best performance, you must match the amplifier’s input sensitivity to your source’s maximum output level (also called “gain matching”). The LEVEL (gain) control located on the side of the amplifier is designed to do this. It is not a volume control. It adjusts the incoming signal level so that the source device and the amplifier reach maximum output at the same time. Th
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NS-A1200b.fm Page 15 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier The BASS BOOST control raises the amplifier output up to 18 dB at frequencies tightly centered around 45 Hz. This “bump” can have a dramatic effect on the bass system’s apparent volume. Use caution when adjusting this control, as subwoofer damage may result if the subwoofer begins to distort. When you exceed the subwoofer’s capabilities, the distortion will be obvious. To adjust bass boost: 1 Rotate the BA
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NS-A1200b.fm Page 16 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Symptom Cause Solution No sound in one channel. Speaker short circuits, Check speaker leads for disconnected speaker short circuits or cables. disconnected cables. Reverse the LEFT and RIGHT RCA inputs to determine if the loss is occurring before the amplifier. Amplifier turns off at Mismatch with speaker Check speaker load medium or high volumes. load impedance. impedance. Make sure that you have foll
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NS-A1200b.fm Page 17 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Dimensions 10.31 × 2.75 × 9.84 inches (261.9 × 69.9 × 249.9 mm) Fuse rating 25A (2) Legal notices FCC Part 15 This device complies with Part 15 of the FCC Rules. Operation of this product is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC warn
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NS-A1200b.fm Page 18 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier www.insignia-products.com 18
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NS-A1200b.fm Page 19 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Warranty 90-day limited warranty Insignia Products (“Insignia”) warrants to you, the original purchaser of this new NS-A1200 (“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 produ
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NS-A1200b.fm Page 20 Monday, May 21, 2007 11:37 PM Insignia NS-A1200 Car Amplifier Modification of any part of the Product, including the antenna This warranty also does not cover: Damage due to incorrect operation or maintenance Connection to an incorrect voltage supply Attempted repair by anyone other than a facility authorized by Insignia to service the Product Products sold as is or with all faults Consumables, such as fuses or batteries Products where the factory applied s
