SB Acoustics SB21SDCN-C000 standard | Fs 850 Hz, 90.0 dB, Qts 1.220 | LoudspeakerLab

Thiele-Small parameters

Fs: 850 Hz; Qts: 1.220; Qes: 2.450; Qms: 2.440; Sd: 4.9 cm²; Re: 3.10 Ω; Le: 0.04 mH; Sensitivity: 90.0 dB; Nominal Z: 4.0 Ω; Measured range: 103-20000 Hz

Driver quality scores

On-axis flatness 79 · DI tracking 71 · DI smoothness 45

Usable passband

Scored passband 1713 Hz–20.0 kHz

Measurement coverage

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

Measurement profiles

• IEC baffle (spec_sheet)

Where to buy

• madisound — $47.90 USD
• solen — $58.99 CAD
• soundimports — $33.02 EUR

Measurement quality

LoudspeakerLab evidence grade: C+ (56.2/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

Also known as

SB21SDCN-C000-4

Manufacturer

• SB Acoustics