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12V Power Amplifier VU Meter Driver Board DB Audio Level Meter TA7318P Amplifier100% brand new and high quality.Features:Level meter, VU meter, a small table-driven power amplifier boards, circuit design, a professional audio amplifier chip.Designed for audio level testing and design of an integrated circuit chip imports, includes the square root of a dynamic index compression circuit (Example: Input 1V, the 1V input 4V, the 2V input 9V, the 3V), taking into account the dynamic and precision instruction pointer swing moderate, avoiding the small signal pointer does not move, the large signal pointer backing of the state.No independent power supply, power supply leads directly from the original, as compared with TA7318P / TA7332P, reduce the cost of a transformer, while inside the chassis takes up less space because the half, the installation is more convenient and flexible.The circuit designed, has the following characteristics:Enter the installation of a 1owpass filter circuit to filter out high frequency interference, power supply for harsh environments (such as car audio system).Output sensitivity adjustable, for a variety of specifications header.The most common 12VDC power supply, easy to use in-vehicle device and PC computers.Has a power reverse polarity protection.Have energized pointer protection against boot pointer base, extend header life.Use 0.5W metal film resistors, large power margin to ensure reliable and stable work long hours.Instructions for use:1, the input section:Lin, 0, Rin, is an audio signal input terminal for audio output connected to the left and to the right channel. Or an output terminal connected to the first input terminal selection stage, the former should not connected to the output stage output or volume potentiometer.2, the output section:Two VU Meter side + and "" terminal as an output, respectively, should be connected to two level meter the +' and '- terminal.Drivable level meter sensitivity recommendation: DC 100 microamps to 500 microamps. Should not exceed 1mA.Board 2 500 European blue 3296 series potentiometer can adjust the sensitivity of the two separately header. Clockwise, sensitivity can be improved.LA, LB for the backlight power supply terminals, RA, RB of the other set backlight power supply terminal.Specifications:Input Sensitivity: 400Hz input audio signal with Fluke 8025B digital multimeter range measuring AC mV, the input: 97mV, 39 level meter to + 3dB position.Power supply voltage: DC12V 0.12A.Backlight power supply terminals: Available DCl0 to 12V 50MA. Power for small bulbs backlighting.Drive VU meter, level meter Sensitivity: Recommended 500UA sensitivity, 630 European resistance. Material: PlasticSize: approx.52x62mm/2.05x2.44inColor: As pictures shownQuantity: 1 PcNote:No retail package.Please allow 0-1cm error due to manual measurement.
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Return Policy
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Return Process & Timeline
For eligible products, the policy is summarized below. Please note that Returns that do not meet the Return Process and Timeline below will not be eligible for a refund.
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Allowed Time Line |
Return Process |
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Due to Damage in transit |
Within 24 hours of Delivery |
Inspect package before taking Delivery and if damaged REJECT package and DO NOT take delivery from the courier and Send email to support@order2india.com within 24 hours of rejecting the delivery so we can process your refund. |
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Dead on Arrival or mal-functioning product |
Within 15 days of Delivery |
Contact us or email us at support@order2india.com within 15 days of delivery with details of the problem. |
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Incorrect Order (e.g. model, brand, color or size different from what was ordered) |
Within 15 days of Delivery |
Contact us or email us at support@order2india.com within 7 days of delivery with details of the problem. |
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