Dayton Audio RS225-8 standard | Fs 28 Hz, 89.0 dB, Qts 0.380 | LoudspeakerLab

Thiele-Small parameters

Fs: 28 Hz; Qts: 0.380; Qes: 0.510; Qms: 1.460; Vas: 56.80 L; Sd: 213.8 cm²; Re: 6.50 Ω; Le: 0.86 mH; Sensitivity: 89.0 dB; Nominal Z: 6.9 Ω; Measured range: 20-19346 Hz

Driver quality scores

On-axis flatness 70 · DI tracking 82 · DI smoothness 64

Usable passband

Scored passband 63 Hz–2.2 kHz

Measurement coverage

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

Recommended enclosure

Vented ~40.8 L · Fb 33 Hz

Measurement profiles

• spec sheet (spec_sheet)

Public designs

4 public loudspeaker designs on LoudspeakerLab use this driver.

• RS225 2 way
• hgrt
• RS225-8 CAT378 tower 2k XO
• RS150P Tower

Where to buy

• solen — $143.43 CAD
• soundimports — $90.87 EUR
• theloudspeakerkit — $229.00 AUD
• parts_express — $75.98 USD

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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• AN25Ti-4
• CE48-4

Manufacturer

• Dayton Audio