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Description
xFeatures
The PRV Audio FR Series sets a new standard of value in high-performance Full Range drivers. The 69FR250-4 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 75 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 94 dB of sensitivity.
Highlights
- Nominal Impedance: 4 Ohms
- Rated AES Power Handling (RMS): 125 Watts
- Program Power: 250 Watts
- Sensitivity (1W/1m): 94 dB
- Voice Coil Diameter: 1.5?
GENERAL SPECIFICATIONS
| Nominal Diameter | 6? x 9? (159 x 228 mm) |
| Nominal impedance | 4 Ohms |
| Rated AES Power Handling (RMS) | 125 Watts |
| Program Power | 250 Watts |
| Sensitivity 2.83V at 1m | 94 dB |
| Recommended Hi Pass Crossover** **For Full Power Handling | 80 Hz** **12db Per Octave Crossover |
| Frequency Response at -10dB | 75 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 | Aluminum |
THIELE-SMALL PARAMETERS
| Equivalent Volume | Vas | 13.9 l |
| Excursion (mathematical)*** | Xmax | 3.50 mm |
| Free Air Resonance | Fs | 82.12 Hz |
| Mechanical Factor | Qms | 15.28 |
| Electrical Factor | Qes | 0.74 |
| Total Factor | Qts | 0.70 |
| Cone Area | Sd | 200 cm |
| Mechanical Mass | Mms | 15.1 g |
| Bl Factor | Bl | 6.1 Tm |
| Dc Resistance | Re | 3.5 Ohms |
| Inductance | Le | 0.160 mH at 1 kHz |
| Mechanical Mass Without Air | Mmd | 13.48 g |
| Mechanical Compliance | Cms | 0.18 mm/N |
***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4
EXTRA INFO
| Overall Diameter | 6.43? x 9.31? (163.5 x 236.5 mm) |
| Front Mount Baffle Cutout |
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