|
20886 |
Click on the above
image for a full
view ... |
|
| Materials of construction |
 |
Kapton coil former |
| |
Polyamide-imide coated copper voice coil |
| |
APS ferrite magnet |
| |
Pressed steel chassis |
| |
Paper cone |
| |
Plasticised cloth (linen) cone edge |
| |
Solid composition paper dust dome |
| Performance optimised for midrange use between 400Hz and 4kHz in multiway systems. |
| Also suitable for vocal P.A., keyboards, discotheques, stage monitors and bass guitar. |
| Eminence Model No. |
Beta 8 |
| Nominal Chassis Diameter: |
8 , 203.2mm |
| Impedance: |
8 |
| Usable Frequency Range: |
65Hz to 4kHz |
| Average Sensitivity 1W @ 1m: |
97dB |
| Magnet Gap Depth: |
0.312 , 8mm |
| Voice Coil Diameter: |
2 , 50.8mm |
| Overall Diameter: |
8 , 203.2mm |
| Baffle Hole Diameter: |
7.375 , 187.3mm |
| Front Sealing Gasket: |
fitted as standard |
| Rear Sealing Gasket: |
fitted as standard |
| Fixing Holes Diameter (8 off): |
0.275 , 7mm |
| Fixing Hole P.C.D.: |
7.75 , 196.9mm |
| Shipping Weight: |
7lbs, 3.2kg |
| Resonant Frequency |
(fs): |
68.11Hz |
| Impedance |
(Re): |
6.17 |
| Coil Inductance |
(Le): |
0.57mH |
| Electromagnetic Q |
(Qes): |
0.36 |
| Compliance Equivalent Volume |
(Vas): |
23.14 litres |
| Displacement Volume |
(Vd): |
64.57cc |
| of Suspension |
(Cms): |
0.3595mm/N |
| BL Product |
(BL): |
10.49 T-M |
| Diaphragm Mass inc. Airload |
(Mms): |
15.2 grams |
| Equiv. Resistance of Mechanical |
| Suspension Loss |
(Rms): |
0.6512N*sec/M |
| Efficiency Bandwidth Product |
(EBP): |
186.7 |
| Voice Coil Overhang |
(Xmax): |
3.0mm |
| Surface Area of Cone |
(Sd): |
214.08cm<equal; |
| Impedance at Resonance |
(Zmax): |
175 |
|
