meter

audio

level

indicator

vintage

retro

classic

technology

music

recording

sound

measurement

gauge

instrument

equipment

analog

old

graphic

design

element

waveform

oscilloscope

signal

peak

decibel

db

amplitude

frequency

studio

broadcast

radio

television

electronics

control

panel

interface

display

needle

pointer

silver

grey

black

macro

detail

texture

background

nostalgic

seventies

eighties