ink and brush next to the speakers. painting diffusers of speakers with stamp paint to give them aesthetics

15gd11 20gds 30gd1 amphitone amplifier analog audio speaker audiophilia bass black brush dark diffuser electroacoustic equipment gd gdn gds hi high quality ink paint listen music to the loudspeaker lover musical polymer producer prominent relaxation repair replacement restoration retro s90 safety sound monitor box speakers studio sub subwoofer suspension tall technology ussr vintage