LM3915 10 LED O-Level DIY VU Meter Preamplifier for Power Amplifier Audio Level Indication

ID: 664763 SKU: 266354885191 Category: Electronic parts Tags: 30days

LM3915 10 LED O-Level DIY VU Meter Preamplifier for Power Amplifier Audio Level Indication

About this item:

– A 10 segment, LM3915 high precision level indicator IC on a PCB board – Features 0dB adjustment and gain selection by onboard resistor and jumper – Full frequency response of 10Hz – 200kHz – Compact size: only 50 x 32mm – Input sensitivity: 200mV – 4.5V peak to peak – Display ranges from -30dB to +3dB

₹1830

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Description ▼

LM3915 10 LED Level Indicator Preamp Circuit Display Kit

Visually representing audio signal levels, the LM3915 10 LED Level Indicator is an ideal tool for audio amplifiers and other electronic systems.

Product Features:

Precise Level Indication: Employing the LM3915 IC, this kit provides accurate and reliable audio level indication.
10 LEDs Display: The 10 LEDs offer a clear and intuitive visual representation of the audio signal strength, enabling easy monitoring and adjustment.
Compact Size: With its small form factor, this kit can be easily integrated into various audio projects without consuming excessive space.
DIY Assembly: The kit requires assembly, making it a great project for electronics enthusiasts and hobbyists.
Easy Installation: Equipped with a convenient screw terminal, the kit can be effortlessly connected to an audio signal source.
Adjustable Sensitivity: The onboard potentiometer allows for customization of the level indication sensitivity, tailoring it to specific requirements.
Wide Voltage Range: Operating within a 3.5V to 12V range, the kit can be incorporated into a variety of systems.

Technical Specifications:

IC: LM3915
Number of LEDs: 10
LED Color: Red, Yellow, Green
Power Supply: 3.5V to 12V
PCB Dimensions: 45mm x 17mm

Key Usage Points:

Monitoring audio signal levels in amplifiers and other audio systems.
Creating visual level indicators for projects like guitar pedals, mixers, and synthesizers.
Educational purposes in electronics classes and workshops.

LM3915 10 LED Level Indicator Circuit

Audio Level Indicator using LM3915 IC