Scan-Speak D2004/602200 standard measurements on LoudspeakerLab. 88.8 dB sensitivity. Fs 550 Hz. Qts 0.950. Evidence grade C+ (56.6/100).
Fs: 550 Hz; Qts: 0.950; Qes: 1.260; Qms: 3.800; Vas: 0.01 L; Sd: 4.5 cm²; Re: 2.80 Ω; Le: 0.02 mH; Sensitivity: 88.8 dB; Nominal Z: 4.0 Ω; Measured range: 102-20000 Hz
On-axis flatness 71 · DI tracking 20 · DI smoothness 40
Scored passband 1079 Hz–20.0 kHz
Spec-sheet profiles · Off-axis H/V response data available.
LoudspeakerLab evidence grade: C+ (56.6/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.