BEYMA 21L50 - 21" HIGH POWER WOOFER
|
|
|
BEYMA 21L50 - 21" HIGH POWER WOOFER |
|
DESIGNED FOR MASSIVE HIGH SOUND PRESSURE LOW FREQUENCY! |
|
|
|
BEYMA 21L50 |
|
No Longer Available |
|
|
WOOFER
MODEL |
|
|
Specifications |
|
|
Nominal
Basket Diameter |
21" |
|
Impedance |
8
ohms |
|
AES
Power Rating |
1,000 Watts |
| Program Power |
2,000
Watts |
|
Frequency
Response |
25Hz
- 1.2kHz |
|
Sensitivity
(1W/1m) |
98dB |
|
Voice
Coil Diameter |
4.5" / 114mm |
| Recom. Enclosure Volume | 3.5-8.75 ft3 / 100-250 Liters |
| Voice Coil Length | 25 mm |
| Air Gap Height | 11 mm |
| X Damage (peak to peak) | 35 mm |
| BL Factor | 28 N/A |
| Magnetic Assembly Weight | 26.4 lb. / 12 kg. |
|
Mounting Information |
|
|
Overall Diameter |
21.65"
/ 550mm |
| Bolt Circle Diameter |
20.68"
/ 528mm |
| Baffle Cutout Diameter | |
| - Front Mount | 19.48" / 495mm |
| - Rear Mount | 20.07" / 510mm |
|
No.
Of Mounting Holes |
8 |
| Volume Displaced By Driver | 0.7 ft3 / 20 Liters |
| Overall Depth |
9.25"
/ 235mm |
|
Net
Weight |
33 lb. / 15 kg. |
| Shipping Weight | 41.8 lb. / 19 kg. |
|
Materials |
|
| Basket | Die Cast Aluminum |
| Cone | Paper |
| Surround | Treated Cloth |
| Voice Coil | Edgewound Copper Ribbon |
| Magnet | Ferrite |
|
Thiele-Small
Parameters |
|
| Resonant Frequency (fs) | 33 Hz |
| Impedance (Re) | 6.0 ohms |
| Coil Inductance (Le) | 2.4 mH |
| Mechanical Q (Qms) | 12.03 |
| Electrical Factor(Qes) | .45 |
| Total Q (Qts) | .43 |
| Comp. Equivalent Vol. (Vas) | 12.36 ft3 / 350 Liters |
| Voice Coil Overhang (Xmax) | 9.0 mm |
| Surface Area of Cone (Sd)m2 | 0.1764m2 |
| Reference Efficiency | 2.7% |
| Displacement Volume (Vd) | 1600 cm3 |
|
Low Freq. Response: Bass Reflex Cabinet-Vb=200L, Fb=33Hz |
|
 |
|
| Frequency Response & Distortion Curves | |
 |
|
| Mounting Dimensions | |
 |
|
US Speaker, LLC
