Cardas 黑膠消磁唱片

Side 1 “Sweeper” 45 rpm. (Also works at 33 1/3rd rpm.)

Track 1. Short Sweeps, short version
Track 2. Short Sweeps, long version
Track 3. “I’ve Got a Feeling I’m Falling”
Track 4. 1K tone (740.74Hz @ 33 1/3rd rpm)

Side 2 “Burn-In” 33 1/3 rpm.

Track 1a. “Greetings from the left channel”
Track 1b. “From the right channel”
Track 1c. “From both channels” This is lateral modulation (mono, in phase).
Track 1d. “In polarity”
Track 1e. “Out of polarity” Both channels in reversed or negative polarity