Dayton Audio ND20FB-4 standard | Fs 2072 Hz, 90.9 dB, Qts 1.330 | LoudspeakerLab

Thiele-Small parameters

Fs: 2072 Hz; Qts: 1.330; Qes: 3.740; Qms: 2.080; Sd: 2.8 cm²; Re: 3.20 Ω; Le: 0.03 mH; Sensitivity: 90.9 dB; Nominal Z: 3.2 Ω; Measured range: 500-20000 Hz

Driver quality scores

On-axis flatness 79 · DI tracking 56 · DI smoothness 36

Usable passband

Scored passband 3529 Hz–17.3 kHz

Measurement coverage

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

Measurement profiles

• spec sheet (spec_sheet)

Where to buy

• blackdotaudio — $68.59 PLN
• parts_express — $12.98 USD
• rumoh — $15.95 EUR
• solen — $19.70 CAD
• soundimports — $13.18 EUR

Measurement quality

LoudspeakerLab evidence grade: C+ (55.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

More from Dayton Audio

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Manufacturer

• Dayton Audio