Dayton Audio SIG270-4 standard measurements on LoudspeakerLab. 91.8 dB sensitivity. Fs 35 Hz. Qts 0.419. Evidence grade C+ (56.8/100). 1 public design.
Fs: 35 Hz; Qts: 0.419; Qes: 0.437; Qms: 10.250; Vas: 58.57 L; Sd: 363.1 cm²; Re: 3.85 Ω; Le: 0.79 mH; Sensitivity: 91.8 dB; Nominal Z: 4.2 Ω; Measured range: 10-20000 Hz
On-axis flatness 72 · DI tracking 53 · DI smoothness 71
Scored passband 54 Hz–2.2 kHz
Spec-sheet profiles · Off-axis H/V response data available.
Vented ~51.7 L · Fb 38 Hz
1 public loudspeaker design on LoudspeakerLab use this driver.
LoudspeakerLab evidence grade: C+ (56.8/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.