← Back to Scan-Speak - 6" Automotive Mid-Woofer - 16W/4434G00

Where the figures for 16W/4434G00 come from

I take every figure from Scan-Speak's own product page or datasheet where I can. This lists where each figure on the 16W/4434G00 page came from.

  • 11 from Scan-Speak's product page
  • 27 from Scan-Speak's datasheet
  • 2 worked out from Scan-Speak's figures
  • 1 my estimate
  • 4 from NB Audio's listing

General

Driver type Mid-Woofer NB Audio's listing
Nominal size 6" NB Audio's listing
Nominal impedance 4Ω Maker's datasheet
Series Automotive NB Audio's listing
Power handling (RMS) 40 W Maker's datasheet
Sensitivity 90.5 dB Maker's product page
Suggested alignment Either NB Audio's listing
Frequency range fs – 4,000 Hz Maker's datasheet

Thiele/Small parameters

Resonant frequency (Fs) 55 Hz Maker's product page
DC resistance (Re) 3 Ω Maker's product page
Minimum impedance (Zmin) 3.8 Ω Maker's datasheet
Voice coil inductance (Le) 0.35 mH Maker's datasheet
Mechanical Q (Qms) 3.06 Maker's datasheet
Electrical Q (Qes) 0.56 Maker's datasheet
Total Q (Qts) 0.48 Maker's product page
Equivalent volume (Vas) 17.9 L Maker's product page
Compliance (Cms) 0.67 mm/N Maker's datasheet
Moving mass (Mms) 12.5 g Maker's datasheet
Mechanical resistance (Rms) 1.41 kg/s Maker's datasheet
Force factor (Bl) 4.8 T·m Maker's product page
Effective piston area (Sd) 138 cm² Maker's product page
Linear excursion (Xmax, one-way) 4 mm Maker's datasheet
Mechanical excursion (Xmech) 8 mm Maker's datasheet
Displacement volume (Vd) 55.2 cm³ Worked out from the maker's figures
Efficiency bandwidth product (EBP) 98.21 Worked out from the maker's figures
Effective piston diameter (D) 131 mm Maker's datasheet
Impedance at resonance (Zo) 19.4 Ω Maker's datasheet

Motor

Voice coil height 12 mm Maker's datasheet
Air gap height 4 mm Maker's datasheet
Voice coil layers 2 Maker's datasheet

Mounting

Overall diameter 165.5 mm Maker's datasheet
Cutout diameter (suggested) ≈ 142.0 mm My estimate, from the maker's drawing
Mounting depth 62.7 mm Maker's datasheet
Volume displaced by driver 0.2 L Maker's datasheet
Voice coil diameter 32 mm Maker's datasheet
Weight 0.6 kg Maker's datasheet

Materials

Cone Coated Fibreglass Maker's product page
Surround Rubber Maker's product page
Basket Cast Aluminium Maker's product page
Magnet Neodymium Maker's product page

Typical box tunings

Closed box: box volume 23 L Maker's datasheet
Closed box: corner frequency 74 Hz Maker's datasheet
Vented box: box volume 44 L Maker's datasheet
Vented box: box resonance 42 Hz Maker's datasheet
Vented box: corner frequency 37 Hz Maker's datasheet

Not on file: Bolt circle, Flange thickness. Either the maker doesn't publish it or I haven't found it yet.

What the labels mean

  • Maker's product page: copied from the maker's product page.
  • Maker's datasheet: read off the maker's own datasheet or drawing.
  • Worked out from the maker's figures: Vd = Sd × Xmax, EBP = Fs ÷ Qes.
  • My estimate, from the maker's drawing: measured off the maker's drawing, usually within ±0.3 mm (up to ±0.5). The suggested cutout is the basket's width on the drawing plus 1 mm of clearance (1.5 mm on drivers over 200 mm). Measure before you cut.
  • NB Audio's listing: how I've filed it in the store.

Check them yourself: Datasheet