SB Acoustics SB12NRX25-8 standard | Fs 57 Hz, 85.5 dB, Qts 0.370 | LoudspeakerLab

SB Acoustics SB12NRX25-8 standard measurements on LoudspeakerLab. 85.5 dB sensitivity. Fs 57 Hz. Qts 0.370. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 57 Hz; Qts: 0.370; Qes: 0.410; Qms: 4.100; Vas: 5.30 L; Sd: 50.0 cm²; Re: 6.40 Ω; Le: 0.34 mH; Sensitivity: 85.5 dB; Nominal Z: 8.0 Ω; Measured range: 21-19134 Hz

Driver quality scores

On-axis flatness 54 · DI tracking 28 · DI smoothness 34

Usable passband

Scored passband 97 Hz–6.0 kHz

Measurement coverage

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

Recommended enclosure

Vented ~3.6 L · Fb 68 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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