Scan-Speak 21W/8555-10 standard | Fs 20 Hz, 87.0 dB, Qts 0.310 | LoudspeakerLab

Scan-Speak 21W/8555-10 standard measurements on LoudspeakerLab. 87.0 dB sensitivity. Fs 20 Hz. Qts 0.310. Evidence grade C+ (57.0/100).

Preview

Thiele-Small parameters

Fs: 20 Hz; Qts: 0.310; Qes: 0.330; Qms: 4.500; Vas: 134.00 L; Sd: 220.0 cm²; Re: 5.50 Ω; Le: 0.40 mH; Sensitivity: 87.0 dB; Nominal Z: 8.0 Ω; Measured range: 22-18511 Hz

Driver quality scores

On-axis flatness 66 · DI tracking 28 · DI smoothness 45

Usable passband

Scored passband 39 Hz–2.8 kHz

Measurement coverage

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

Recommended enclosure

Vented ~65.8 L · Fb 28 Hz

Measurement profiles

Where to buy

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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