SB Acoustics SB23MFCL45-4 standard | Fs 27 Hz, 87.5 dB, Qts 0.340 | LoudspeakerLab

SB Acoustics SB23MFCL45-4 standard measurements on LoudspeakerLab. 87.5 dB sensitivity. Fs 27 Hz. Qts 0.340. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 27 Hz; Qts: 0.340; Qes: 0.360; Qms: 7.700; Vas: 37.00 L; Sd: 210.0 cm²; Re: 3.30 Ω; Le: 0.73 mH; Sensitivity: 87.5 dB; Nominal Z: 4.0 Ω; Measured range: 21-19011 Hz

Driver quality scores

On-axis flatness 52 · DI tracking 74 · DI smoothness 41

Usable passband

Scored passband 40 Hz–908 Hz

Measurement coverage

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

Recommended enclosure

Vented ~21.5 L · Fb 35 Hz

Measurement profiles

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Measurement quality

LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

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