Dayton Audio RST28-4 standard measurements on LoudspeakerLab. 93.2 dB sensitivity. Fs 775 Hz. Qts 0.930. Evidence grade C+ (55.2/100).
Fs: 775 Hz; Qts: 0.930; Qes: 1.650; Qms: 2.150; Re: 3.00 Ω; Le: 0.03 mH; Sensitivity: 93.2 dB; Nominal Z: 3.1 Ω; Measured range: 100-20000 Hz
On-axis flatness 69 · DI tracking 72 · DI smoothness 36
Scored passband 2322 Hz–13.7 kHz
Spec-sheet profiles · Off-axis H/V response data available.
LoudspeakerLab evidence grade: C+ (55.2/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.