PARAMETER: |
||
Nominal Diameter |
530/21 |
mm/inch |
Nominal Impedance |
8 |
Ohm |
Minimum Impedance |
6.5 |
Ohm |
Power handling |
||
Nominall |
1700 |
Watts |
Continuous Program |
3400 |
Watts |
Sensitivity (1W/1m)3 |
99 |
dB |
Frequency Range |
30-1000 |
Hz |
Voice Coil Diameter |
116/4.5 |
mm/inch |
Winding Material |
Aluminium |
|
Former Marerial |
Glass Fibre |
|
Winding Depth |
36/1.42 |
mm/inch |
Magnetic Gap Depth |
14/0.55 |
mm/inch |
Flux density |
0.8 |
T |
Magnet Material |
Neodymium Inside Slug |
|
Waterproof Cone Treatment |
Both Sides |
|
Thiele-Small parameters |
||
Fs |
30 |
Hz |
Re |
5.1 |
Ohm |
Qes |
0.24 |
|
Qms |
10 |
|
Qts |
0.23 |
|
Vas |
269 |
dM3 |
η0 |
3 |
% |
X max |
±15 |
mm |
X mech |
±16.5 |
mm |
Mms |
407 |
g |
BL |
40.8 |
T.m |
Le |
4.6 |
mH |
EBP |
125 |
Hz |
Sd |
1680 |
cm2 |
21DS115
3400W continuous program power capacity
99dB sensitivity
116mm (4.5in) split winding copper voice coil
30-1000 Hz response
60 mm peak-to-peak excursion before damage
Double silicone spider with optimized compliance
Ventilated voice coil gap for reduced power compression
Aluminium demodulating ring for very low distortion
Description
