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2PC Panel VU Meter Amplifier DB Level LED Header Display & Driver Board Module

Taiwan production, high quality, cute appearance, stable and reliable performance, Display high precision and with back light.
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  • Description
  • Reviews
Packing list:
  • 2× VU meter
  • 1× Drive board
  • 1× Connect cable


  • Part No. TR-35
  • Professional, high Class
  • dB: -20~+5dB
  • 0dB=1.288V+/-10%, calibalated
  • DCR= 650Ω, If=450uA
  • Lamp: White LED x1pcs ,10~20mA (Original design has no resistor inside, so need extra one to work)
  • Led Lamp voltage : 2.2~2.6V
  • So, you need the extra resistor : 270Ω 1/4W ,if VDC=5V
  • 390Ω 1/4W ,if VAC/DC=6.3V
  • 1000Ω 1/2W ,if VAC/DC=12.6V
  • Also need external resistor,diode, capacitor
  • (if 1Khz 0dB=1.288Vrms, R1=470Ω,VR1=100Ω, or R1+VR1=500Ω)
  • Dimension : 35.0x35.0x38.0mm, WxHxD
  • View size : φ34.0mm
  • Mounting hole/pitch : φ3.5mm/28.0x28.0mm
  • Note : On the center 2 pins are for meter coil, other 2 pins are for LED

Below is the difference between Genuine and fake goods
PJ103 (8)
Average rating: 5.0
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