Dayton Audio ND25FW-4 standard | Fs 1350 Hz, 95.4 dB, Qts 1.441 | LoudspeakerLab

Thiele-Small parameters

Fs: 1350 Hz; Qts: 1.441; Qes: 2.406; Qms: 3.594; Re: 3.20 Ω; Le: 0.04 mH; Sensitivity: 95.4 dB; Nominal Z: 3.3 Ω; Measured range: 298-20000 Hz

Driver quality scores

On-axis flatness 72 · DI tracking 79 · DI smoothness 40

Usable passband

Scored passband 2720 Hz–13.2 kHz

Measurement coverage

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

Measurement profiles

• spec sheet (spec_sheet)

Public designs

1 public loudspeaker design on LoudspeakerLab use this driver.

• Parts Express C-Note - manufacturer FRD/ZMA

Where to buy

• blackdotaudio — $77.19 PLN
• parts_express — $13.98 USD
• rumoh — $17.50 EUR
• solen — $23.27 CAD
• soundimports — $14.83 EUR

Measurement quality

LoudspeakerLab evidence grade: C+ (55.4/100). Based on measurement provenance, off-axis data, distortion, and T/S completeness.

More from Dayton Audio

• AMT2-4
• AMT3-4
• AMTHR-4
• AMTPOD-4
• AMTPRO-4
• AN25F-4
• AN25Ti-4
• CE48-4

Manufacturer

• Dayton Audio