Scan-Speak 26W/4558T00 standard measurements on LoudspeakerLab. 88.0 dB sensitivity. Fs 21 Hz. Qts 0.310. Evidence grade C+ (57.0/100).
Fs: 21 Hz; Qts: 0.310; Qes: 0.330; Qms: 5.560; Vas: 94.90 L; Sd: 352.0 cm²; Re: 2.60 Ω; Le: 0.83 mH; Sensitivity: 88.0 dB; Nominal Z: 4.0 Ω; Measured range: 21-18511 Hz
On-axis flatness 70 · DI tracking 72 · DI smoothness 50
Scored passband 38 Hz–1.5 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~46.6 L · Fb 30 Hz
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.