GRS 4SMP-4 standard | Fs 58 Hz, 84.0 dB, Qts 0.550 | LoudspeakerLab

Name: GRS 4SMP-4 standard | Fs 58 Hz, 84.0 dB, Qts 0.550 | LoudspeakerLab
Brand: GRS
SKU: 4SMP-4
Price: 15.99 USD
Availability: InStock

GRS 4SMP-4 standard measurements on LoudspeakerLab. 84.0 dB sensitivity. Fs 58 Hz. Qts 0.550. Evidence grade C+ (56.8/100).

Thiele-Small parameters

Fs: 58 Hz; Qts: 0.550; Qes: 0.671; Qms: 3.046; Vas: 4.04 L; Sd: 54.1 cm²; Re: 3.74 Ω; Le: 0.32 mH; Sensitivity: 84.0 dB; Nominal Z: 4.1 Ω; Measured range: 10-20000 Hz

Driver quality scores

On-axis flatness 77 · DI tracking 81 · DI smoothness 45

Usable passband

Scored passband 87 Hz–1.9 kHz

Measurement coverage

Spec-sheet profiles · Off-axis H/V response data available.

Recommended enclosure

Vented ~6.6 L · Fb 49 Hz

Measurement profiles

spec sheet (spec_sheet)

Where to buy

parts_express — $15.99 USD
solen — $20.15 CAD
soundimports — $16.49 EUR

Measurement quality

LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.