DC 12V VU Meter Driver Audio Level Indicator/Power Meter 10 LED Level Indicate
Description:
10-segment LM3915 level indicator board. The board has a first-level amplifier (using 741 single op amp), and there are two sets of high and low inputs. It can be used to indicate the output level of the front stage or power amplifier.
Power supply: 12VDC.
There are 11 LEDs in total, 3mm LEDs, 10 LEDs for level indication and 1 LED for power supply. The color matching default is: 7 green, 3 yellow, 1 red
Power supply: 12V150MA
Input sensitivity:
low input: 150mV to 6V rms (47K)
High input: 1.5V to 60V rms (470K)
low input: 150mV to 6V rms (47K)
High input: 1.5V to 60V rms (470K)
Size: 35 x 70mm
Weight: 20g
Weight: 20g
Wiring instructions: There are 4 wires on the board, distinguished by color,
Connected to the pre-stage or microphone amplifier:
Red: connect the power supply 12V positive, black: connect the power supply 12V negative.
Yellow: connect to the positive signal line, green: connect to the negative signal line (outer layer, shielding layer)
Instructions for connecting to the speaker terminal:
1. The yellow wire needs to be soldered down and soldered to the HIGH position.
2. Connect the blue wire-the black terminal of the horn, and the yellow wire ---- the red terminal of the horn.
3. It should be noted that the power ground wire and signal ground wire of the panel power supply should be connected together.
Package included:
1pcs x LM3915 10 LED Audio Level Indicator Assembled
We accept payment by PayPal only.
Payment must be received within 7 days after auctions ended.
Payment must be received within 7 days after auctions ended.
Items will be shipped within 1-2 business days when we received payment.
Shipping to USA takes about 8-15 days in normal condition,other countries takes about 15-35 days.
Please verify your eBay primary shipping address. We are not responsible for any wrong or undeliverable addresses.
Shipping to USA takes about 8-15 days in normal condition,other countries takes about 15-35 days.
Please verify your eBay primary shipping address. We are not responsible for any wrong or undeliverable addresses.
All items will be checked before packing
Your feedback and 5 star ratings are much appreciated.
If you are unhappy with your purchase, please contact us on negative / neutral feedback or low star ratings.
Your feedback and 5 star ratings are much appreciated.
If you are unhappy with your purchase, please contact us on negative / neutral feedback or low star ratings.
If you receive an item is damaged or defective, we will refund you or replace it with identical one.
All damaged or defective items may be exchanged within 30 days.
All damaged or defective items may be exchanged within 30 days.
We take full responsibility if you receive wrong item or damaged item or item not as describled.
If you're not satisfied for any reason, please feel free to contact us. Just send us an eBay message.
If you're not satisfied for any reason, please feel free to contact us. Just send us an eBay message.
