2 Pcs Vu Panel Meter Warm Back Light Recording+driver Board+cables

VU Meter: Stable and reliable performance. Easy to use.Driver Board: The fourth generation driver board, further sharpen the edge of the size.The fourth generation of driver board drive board instead of perfect for Toshiba 7318IC, improved drive 7318 2 disadvantages: small swing pointer plate; adjust small sensitivity.Small space, easy to install.Well done and durable.Instructions:1. In AC/ DC 12-15V Power Supply for Transmission Plate. (recommended independent power transformer, or a separate winding power supply plate when not in use 45MA current backlight).2. L, GND, R: This is the driver board The low-level signal input terminals for connections are players, computer sound cards, the first stage, and other source signal device, L, GND wiring , RW respectively: to the left, the right channel can be.3. R1 and R2 are two adjustable resistors board driver can control the size of the swing hands.4. The backlight DC12V power meter is used after the driver board backlight used for voltage regulator.5. Note that the positive and negative head interfaces.To extend bulb backlight life, you can use the following method:1. Backlight brightness according to the conditions to meet the requirements to reduce the operating voltage, can be considerably longer lasting.2. AC Power 10~12V, 10 Euro Series at 50 Euro Limiting Resistor, reducing the impact on the boot filament.Backlight Voltage: AC/DC 6-12VMeasuring Range: 0-500UA10%Resistance: 650 ohm10%Accuracy: 5%VU Meter Size: Approx. 35x35x37mm/1.38x1.38x1.46inchDIY Supplies: ELECTRICALDisplay Type: Analog OnlyModel Number: GXMAcolor:As shownMaterial:Plastic + MetalPackage Contents:2 x VU Meter Panel1 x Driver Board5 x CableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.