SB Acoustics SB16PFCR25-4 standard | Fs 35 Hz, 89.5 dB, Qts 0.340 | LoudspeakerLab

Thiele-Small parameters

Fs: 35 Hz; Qts: 0.340; Qes: 0.390; Qms: 2.760; Vas: 32.70 L; Sd: 124.0 cm²; Re: 3.20 Ω; Le: 0.56 mH; Sensitivity: 89.5 dB; Nominal Z: 4.0 Ω; Measured range: 21-19177 Hz

Driver quality scores

On-axis flatness 63 · DI tracking 47 · DI smoothness 33

Usable passband

Scored passband 58 Hz–4.3 kHz

Measurement coverage

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

Recommended enclosure

Vented ~19.0 L · Fb 45 Hz

Measurement profiles

• IEC baffle (spec_sheet)
• IEC baffle (spec_sheet)

Public designs

2 public loudspeaker designs on LoudspeakerLab use this driver.

• Surround Coaxial SB16PFCR25-4-COAX - Solver
• Surround Coaxial SB16PFCR25-4-COAX - Human

Where to buy

• solen — $68.88 CAD
• soundimports — $53.68 EUR
• blackdotaudio — $139.60 PLN
• madisound — $38.60 USD
• rumoh — $32.33 EUR

Measurement quality

LoudspeakerLab evidence grade: C+ (57.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

Also known as

SB16PFCR25-4-COAX

Manufacturer

• SB Acoustics