HiFi VU Meter + Driver Board kit VU Meter DB Meter with Backlight Audio Level Amp Driver Board Home Audio HiFi Accessories

SO39 500VU DB VU level meter with back light,excellent quality, cute appearance, stable and reliable performance. VU meter Features: *Material: Plastic + metal *Measurement range:0-500?A ±10? *Internal resistance:650? ±10? *Accuracy:±5? *Calibrated position: full scale 500?A *Back light voltage:AC/DC 6-12V 50MA *Back light type:osram lamp *VU meter: 3.4cm x 3.4cm NOTE:In the backlight brightness to meet the requirements under the conditions, lower operating voltage, can significantly prolong life. Need to use current limiting resistor in series 100 ohms to 200 ohms, reduce the impact on the filament boot. Driver board: Size: Driver board: 6.8cm*5.5cm 1. The design of bridge pile rectifier filter circuit, can be a transformer or DC power supply, power supply voltage 12-15V / 300mA 2. The level swings adjustable, can be compatible with all the different types of table header 3. The drive signal source can be connected to the amplifier input or audio amplifier output, without changing original circuitry 4. Support two level meter backlight power supply, change the current limiting resistor can be connected to different backlight 5. The driver board supports two output connection terminals skill: 1.The design of bridge pile rectifier filter circuit, can be a transformer or DC power supply, power supply voltage 12-15V / 300mA. Installation dimensions: the outer frame is 67.4MM * 56MM, screw hole installation size: 57MM * 50.5MM, Screws suitable for M3 screws 2.The level swings adjustable, can be compatible with all the different types of table header, two blue 500-ohm potentiometers on the board can adjust the sensitivity of the two headers separately, turn clockwise to increase sensitivity 3.The drive signal source can be connected to the amplifier