Bộ khuếch đại âm thanh LM3915 10 LED tại Lotte Market
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LM3915 10 LED Audio Level Indicator DIY VU Meter Preamp Power Amplifier Indicate. Board with an level amplification(use 741 single operational amplifier), there have high and low two group input. 11PCS 3mm LED lights, 10pcs LED used for level indicating, 1pcs LED used for power indicator. Power Supply: DC 12V 250mA. Low input: 150mV to 6V rms (47K). 5V to: Còn hàng
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Giới thiệu Bộ khuếch đại âm thanh LM3915 10 LED tại Lotte Market
LM3915 10 LED Audio Level Indicator DIY VU Meter Preamp Power Amplifier Indicate
Description:
This is 10 Segment LM3915 level indicator board (Assembled). Board with an level amplification(use 741 single operational amplifier), there have high and low two group input. It can be used for pre-amplifier output level indication.
11PCS 3mm LED lights, 10pcs LED used for level indicating, 1pcs LED used for power indicator. colour assortment: 7pcs Green color, 3pcs Yellow color, 1pcs Red color.
Specifications:
Power Supply: DC 12V 250mA
Input sensitivity:
Low input: 150mV to 6V rms (47K)
High input: 1.5V to 60V rms (470K)
Board Size: 6.9x3.4cm/2.72x1.34”
Quantity: 1 Set
Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
No Retail Package
Package Includes:
1 x LM3915 10 LED Audio Level Indicator(Assembled)