Dayton Audio UMII18-22 standard | Fs 22 Hz, 90.3 dB, Qts 0.527 | LoudspeakerLab

Thiele-Small parameters

Fs: 22 Hz; Qts: 0.527; Qes: 0.665; Qms: 2.533; Vas: 248.20 L; Sd: 1194.6 cm²; Re: 4.23 Ω; Le: 1.15 mH; Sensitivity: 90.3 dB; Nominal Z: 4.9 Ω; Measured range: 10-20000 Hz

Driver quality scores

On-axis flatness 47 · DI tracking 28 · DI smoothness 0

Usable passband

Scored passband 33 Hz–1.1 kHz

Measurement coverage

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

Recommended enclosure

Vented ~368.0 L · Fb 19 Hz

Measurement profiles

• spec sheet (spec_sheet)

Where to buy

• parts_express — $349.98 USD
• soundimports — $371.86 EUR

Measurement quality

LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

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Manufacturer

• Dayton Audio