“No,” Maria said. “You’re filtering out the harmonic overtones that help your brain reconstruct transient attacks. Cymbals live in the 5 kHz–30 kHz range for overtones. A steep filter at 20 kHz doesn’t just remove inaudible frequencies—it causes phase smearing right down into the audible highs. Your hi-hats arrive late and blurred.”
She switched the filter to “Slow” or “NONE” (if his DAC supported it) and left ultrasonic content intact. Alex re-ran “Red Barchetta.” This time, the ride cymbal had shimmer and air. The stick attack on the bell was palpable. Rush - Moving Pictures -2015- -FLAC 24-192-
His engineer friend Maria visited. She didn’t reach for better cables. She opened a spectral analyzer. “No,” Maria said
A young audiophile named Alex finally got his dream setup: a reference DAC, planar magnetic headphones, and a copy of Rush’s Moving Pictures in 24-bit/192 kHz FLAC from the 2015 remaster. He’d read that this release captured the full analog master’s transient response. A steep filter at 20 kHz doesn’t just