One pair HIFI 34mm audio level/ db level meter + VU header driver board

Works voltage DC10-12V (above 0.2A)

Head diameter 34mm

Driver board PCB size: 5.2cm × 6.3cm

 

Package include:

VU meters Header X 2pcs

VU header driver board X1

Header connect cable X 1 set

Instructions for use:

1, the input part:
Lin, 0, Rin, is the audio signal input terminal, suitable for the CD audio output in the left, ground, right channel. Or connected to the front input terminal to select the output terminal, should not be connected to the front stage output or the output of the volume potentiometer.

2, the output part:
VU Meter side of the two "+" and "-" terminals for the output, should be connected to the two level meter "+" "-" terminal.
Can drive the level meter sensitivity recommended: DC 100 microamps ~ 500 microamps. Can not exceed 1mA.
Onboard 2 blue 3296 series 500 ohm potentiometer can be adjusted separately the sensitivity of the two heads. Turn clockwise and increase sensitivity.

LA, LB for the backlight power supply terminals, RA, RB for the other group of backlight power supply terminals.