ID 121712431 © Evgeniybelyaev | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
abstract amplitude analogue audio background banner bright broadcasting color concentric dark design digital display electric electricity electronic electronics energy entertainment equipment frequency glow glowing graph green illustration laboratory measurement meter monitor music oscilloscope pulse reel science screen signal sine sound spectrum studio tape tech technology test vector volume wave waveform