Stereo LED Audio Level Indicator
Stereo module that shows the audio level on two channels with LEDs, with fixed turn-on thresholds and adjustable input sensitivity.
SKU 7100-FK040EAN 5410329216283Item type: Assembled, KitAccessories
Description
| This stereo LED level indicator shows in real time the amplitude of the audio signal on two independent channels, using two LED bars of 5 LEDs each (one of them always on). The LED turn-on thresholds are fixed and match precise input voltage values, giving immediate visual feedback on signal strength expressed in decibels (dB).
Input sensitivity is adjustable with a trimmer, which makes the module suitable for a wide range of audio sources such as power amplifiers, preamplifiers and line-level audio equipment. Its low consumption (around 65 mA with the LEDs fully lit) makes it ideal for building into custom audio systems, fixed installations or teaching projects. Soldering required for assembly. The kit is supplied complete with assembly instructions.
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| Circuit diagram |
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| Technical specifications |
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Technical details
| Power supply | dual +/- 12 Vdc |
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| Monitored channels | 2 (stereo) |
| LEDs per channel | 5 (including 1 fixed LED that is always on) |
| LED 1 (green) | 0.2 V (approx. -10 dB) |
| LED 2 (green) | 0.6 V (approx. -5 dB) |
| LED 3 (yellow) | 1.9 V (approx. 0 dB) |
| LED 4 (red) | 3.8 V (approx. +3.2 dB) |
| Sensitivity adjustment | via trimmer |
| Maximum current draw | approx. 65 mA (with all the LEDs on) |
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