Dayton Audio SD270A-88 standard | Fs 26 Hz, 91.3 dB, Qts 0.430 | LoudspeakerLab

Thiele-Small parameters

Fs: 26 Hz; Qts: 0.430; Qes: 0.500; Qms: 3.230; Vas: 107.50 L; Sd: 346.4 cm²; Re: 3.16 Ω; Le: 1.12 mH; Sensitivity: 91.3 dB; Nominal Z: 3.4 Ω; Measured range: 20-20000 Hz

Driver quality scores

On-axis flatness 53

Usable passband

Scored passband 41 Hz–2.7 kHz

Measurement coverage

Spec-sheet profiles

Recommended enclosure

Vented ~100.3 L · Fb 27 Hz

Measurement profiles

• spec sheet (spec_sheet)

Where to buy

• parts_express — $64.98 USD
• rumoh — $92.50 EUR
• soundimports — $74.34 EUR
• theloudspeakerkit — $159.00 AUD

Measurement quality

LoudspeakerLab evidence grade: C (46.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

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Manufacturer

• Dayton Audio