SB Acoustics SB13PFCR25-04 standard | Fs 44 Hz, 89.3 dB, Qts 0.290 | LoudspeakerLab

Thiele-Small parameters

Fs: 44 Hz; Qts: 0.290; Qes: 0.330; Qms: 2.600; Vas: 13.40 L; Sd: 87.0 cm²; Re: 3.20 Ω; Le: 0.56 mH; Sensitivity: 89.3 dB; Nominal Z: 3.7 Ω; Measured range: 100-20000 Hz

Driver quality scores

On-axis flatness 74 · DI tracking 82 · DI smoothness 72 · THD 92 · Composite 80

Usable passband

Scored passband 69 Hz–2.7 kHz

Measurement coverage

Distortion measurements · Nearfield data · Measured profiles · Spec-sheet profiles · Off-axis H/V response data available.

Recommended enclosure

Vented ~5.9 L · Fb 66 Hz

Measurement profiles

• IEC baffle (spec_sheet)
• Mechano23 (measured)
• uploaded measurement (measured)

Public designs

6 public loudspeaker designs on LoudspeakerLab use this driver.

• Sealed Peanuts
• Mechano23
• Mechano23 - spec sheet
• Mechano23 - Solver
• SB Little 2

Where to buy

• blackdotaudio — $133.27 PLN
• madisound — $36.80 USD
• rumoh — $27.45 EUR
• solen — $34.44 CAD
• soundimports — $23.51 EUR

Measurement quality

LoudspeakerLab evidence grade: A- (86.0/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

Also known as

SB13PFCR25-04 - Mechano23, SB13PFCR25-4

Manufacturer

• SB Acoustics