Scan-Speak D2905/970000 standard measurements on LoudspeakerLab. 89.5 dB sensitivity. Fs 500 Hz. Qts 0.470. Evidence grade C+ (57.0/100).
Fs: 500 Hz; Qts: 0.470; Qes: 0.540; Qms: 3.450; Vas: 0.02 L; Sd: 8.5 cm²; Re: 4.70 Ω; Le: 0.01 mH; Sensitivity: 89.5 dB; Nominal Z: 6.0 Ω; Measured range: 230-20000 Hz
On-axis flatness 78 · DI tracking 44 · DI smoothness 26
Scored passband 1004 Hz–13.9 kHz
Spec-sheet profiles · Off-axis H/V response data available.
LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.