SB Acoustics SB65WBAC25-4 standard | Fs 115 Hz, 83.5 dB, Qts 0.680 | LoudspeakerLab

SB Acoustics SB65WBAC25-4 standard measurements on LoudspeakerLab. 83.5 dB sensitivity. Fs 115 Hz. Qts 0.680. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 115 Hz; Qts: 0.680; Qes: 0.770; Qms: 6.000; Vas: 0.43 L; Sd: 20.0 cm²; Re: 3.60 Ω; Le: 0.15 mH; Sensitivity: 83.5 dB; Nominal Z: 4.0 Ω; Measured range: 202-19177 Hz

Driver quality scores

On-axis flatness 56 · DI tracking 5 · DI smoothness 39

Usable passband

Scored passband 10 Hz–8.7 kHz

Measurement coverage

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

Recommended enclosure

Sealed ~0.7 L

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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