GRS 8FR-8 standard | Fs 45 Hz, 90.0 dB, Qts 0.560 | LoudspeakerLab

GRS 8FR-8 standard measurements on LoudspeakerLab. 90.0 dB sensitivity. Fs 45 Hz. Qts 0.560. Evidence grade B (69.8/100).

Preview

Thiele-Small parameters

Fs: 45 Hz; Qts: 0.560; Qes: 0.630; Qms: 4.830; Vas: 37.10 L; Sd: 215.0 cm²; Re: 7.30 Ω; Le: 1.20 mH; Sensitivity: 90.0 dB; Nominal Z: 28.7 Ω; Measured range: 10-20000 Hz

Driver quality scores

On-axis flatness 54

Usable passband

Scored passband 76 Hz–2.8 kHz

Measurement coverage

Measured profiles

Recommended enclosure

Vented ~63.7 L · Fb 38 Hz

Measurement profiles

Where to buy

Measurement quality

LoudspeakerLab evidence grade: B (69.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.