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Description
xFeatures
The PRV Audio FR Series sets a new standard of value in high-performance Fullrange drivers. The 8FR250 full-range driver is an excellent choice when space is at an absolute minimum, eliminating the need for a tweeter.
This loudspeaker has a dual cone design, the primary cone handles low to midrange frequencies while the smaller secondary cone increases high-frequency response from 50 Hz to 18,000 Hz.
The combination of a low-distortion motor system with a copper ring and a unique woven-cloth dust cap provides exceptional clarity, detail, and dynamics at an impressive 93.5 dB of sensitivity.
Highlights
- Nominal Impedance: 8 Ohms
- Rated AES Power Handling (RMS): 125 Watts
- Program Power: 250 Watts
- Sensitivity (1W/1m): 93.5 dB
- Voice Coil Diameter: 1.5?
GENERAL SPECIFICATIONS
| Nominal Diameter | 8? (203 mm) |
| Nominal impedance | 8 Ohms |
| Rated AES Power Handling (RMS) | 125 Watts |
| Program Power | 250 Watts |
| Sensitivity 2.83V at 1m | 93.5 dB |
| Recommended Hi Pass Crossover** **For Full Power Handling | 75 Hz** **12db Per Octave Crossover |
| Frequency Response at -10dB | 50 18,000 Hz |
| Voice Coil Diameter | 1.5? (38 mm) |
| Voice Coil Wire | CCAW |
| Voice Coil Winding Depth | 10.0 mm |
| Former Material | Kapton |
| Magnetic Gap Depth | 6.0 mm |
| Frame Material | Stamped Steel |
THIELE-SMALL PARAMETERS
| Equivalent Volume | Vas | 21.2 l |
| Excursion (mathematical)*** | Xmax | 3.50 mm |
| Free Air Resonance | Fs | 75.6 Hz |
| Mechanical Factor | Qms | 14.07 |
| Electrical Factor | Qes | 1.10 |
| Total Factor | Qts | 1.02 |
| Cone Area | Sd | 227 cm |
| Mechanical Mass | Mms | 15.0 g |
| Bl Factor | Bl | 6.53 Tm |
| Dc Resistance | Re | 6.6 Ohms |
| Inductance | Le | 0.275 mH at 1 kHz |
| Mechanical Mass Without Air | Mmd | 13.1 g |
| Mechanical Compliance | Cms | 0.294 mm/N |
***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4
EXTRA INFO
| Overall Diameter | 8.23? (209 mm) |
| Front Mount Baffle Cutout | 7.12? (181 mm) |
| Mounting Depth | 3.33? (84.5 mm) |
| Overall... |
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