Use the "Scientific Filter" and select a curve that emphasizes the mid-range frequencies.
Old radios had limited frequency ranges. Use an EQ plugin to cut out the deep bass and very high treble. A good starting point is a High Pass filter around 600Hz and a Low Pass filter around 3.5kHz . Old Radio Sound Effects
Creating an old-time radio atmosphere depends on whether you're looking for pre-made clips or trying to "vintage-ify" your own audio. Here’s a breakdown of how to get that classic crackle and warmth. 1. Ready-to-Use Sound Effects Use the "Scientific Filter" and select a curve