| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $31.35 | $30.71 | $29.75 | $28.47 | Contact US |
Power Amplifier VU Meter DB Level Audio Power Meter w/ Backlight Display 6.3 Double Pointer
Features:
-Power supply: 5-12V AC/DC, ≥0.1A
-Suitable for amplifiers that output 8 ohms 5-50W
-Adopt double voltage rectifier to improve sensitivity.
-The backlight voltage is added to the regulator tube, the brightness is more stable.
-Direct power amplifier output (that is, connected in parallel to the speaker terminal), the backlight voltage can be 5V to 12V, AC and DC can be used, the "R1" and "R2" adjustable resistors on the driver board are used to adjust the amplitude of the pointer jump.
Debugging Method:
Method 1: Connect the 1KHz signal of the signal generator to the power amplifier, turn on the volume of the power amplifier to the maximum, and adjust the adjustable resistance on the meter drive board, so that the meter pointer points to the "0" position on the label.
Method 2: Without a dedicated signal generator, you can use an Android phone as a signal source, download a signal generator software, and output a 1KHz signal to the power amplifier. The adjustment method is the same as above.
Package List:
-1 x Amplifier Drive Board
-1 x Backlight Display
Note: The product is suitable for 5W-50W power amplifier.
