GRS 6SMP-8 standard measurements on LoudspeakerLab. 87.6 dB sensitivity. Fs 47 Hz. Qts 0.449. Evidence grade C+ (56.8/100).
Fs: 47 Hz; Qts: 0.449; Qes: 0.539; Qms: 2.699; Vas: 14.53 L; Sd: 136.8 cm²; Re: 6.06 Ω; Le: 0.43 mH; Sensitivity: 87.6 dB; Nominal Z: 6.9 Ω; Measured range: 10-20000 Hz
On-axis flatness 51 · DI tracking 55 · DI smoothness 31
Scored passband 69 Hz–4.3 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~15.1 L · Fb 47 Hz
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.