Scan-Speak 28W/8878T01 standard measurements on LoudspeakerLab. 88.5 dB sensitivity. Fs 22 Hz. Qts 0.310. Evidence grade C+ (57.0/100).
Fs: 22 Hz; Qts: 0.310; Qes: 0.330; Qms: 5.810; Vas: 116.00 L; Sd: 363.0 cm²; Re: 6.30 Ω; Le: 0.55 mH; Sensitivity: 88.5 dB; Nominal Z: 8.0 Ω; Measured range: 23-17614 Hz
On-axis flatness 52 · DI tracking 26 · DI smoothness 39
Scored passband 36 Hz–2.4 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~57.0 L · Fb 31 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.