12N620

12" Neodymium Ultra low Distortion low Midrange Driver

  • 98 dB Sensitivity 1 W / 1 m
  • 500 W Power Handling
  • Extremely light Weight of 3.5 kg
  • 3″ Copper Sandwich Voice Coil for low Power Compression
  • Double treated Cone for Water Protection
  • Neodymium Magnet System
  • Triple Aluminum demodulating Rings for ultra low Distortion
  • Optimal for compact 2- or 3-way Systems

Specification

12N620 Specification

Application Low-Middle
Nominal Impendance: Ohm 8
Power handling AES noise: W 500
Sensitivity (1 W / 1 m): dB 98
Frequency response: Hz 45 – 2500
Voice Coil Diameter: mm 77 (3″)
Voice Coil Material: Cu
Voice Coil Winding Depth: mm 19
Magnet Gap Depth: mm 8
Basket: Cast Aluminum
Effect. diaphragm diameter D mm 260

Recommended reflex enclosure:
17 L / 62 Hz, -3 dB = 75 Hz, BRD = 80 mm / 148 mm long
25 L / 60 Hz, -3 dB = 63 Hz, BRD = 100 mm / 177 mm long

Thiele-Small

12N620 Thiele-Small Parameters

Resonance Frequency: Fs Hz 44.7
DC Resistance: Re Ohm 5.7
Mechanical Q Factor: Qms 5.1
Electrical Q Factor: Qes 0.26
Total Quality Factor: Qts 0.25
Equivalent Volume: Vas L 72.7
Moving Mass: Mms kg 0.068
Mechanical Complience: Cms mm / N 0.18
BL Factor: BL Tesla m 20.6
Effective Piston Area: Sd 0.0531
Max. linear Excursion: Xmax mm +/- 5.5
Voice Coil Inductance: Le1k mH 0.6
Le10k mH 0.39

Mounting & Drawing

12N620 Drawings

 

12N620 Mounting Information

Overall Diameter: mm 318
Mounting Holes Diameter: mm 8 x (7 x 8)
Bolt Circle Diameter: mm 300
Baffle cut-out Diameter: mm 284
Overall depth: mm 145
Net Weight: kg 3.5

Curves

12N620 Curves

Frequency Response measured 100 W (28.3 V)
at 1 m in a closed enclosure of 50 litre in an anechoic chamber incl. 2nd and 3rd harmonic distortion raised 20 dB.


Downloads

Downloads