3" MID RANGE LOUDSPEAKER-OPEN BOX
3MR50 (Open Box)
-
- 3″ Mid Range – 8 Ohms
- Ferrite Magnet
- 86 dB – 50 Watts
$20.00
Out of stock
PRICE FOR SINGLE UNIT
OPEN BOX
Features
Features
OPEN BOX – 3MR50 – 3″ MID RANGE LOUDSPEAKER
The speaker may have some scratches/marks due to previous installation. Product may not come in original box. The speaker has been tested and is working as intended. 100% Guaranteed!Highlights
- Nominal Impedance: 8 Ohms
- Rated AES Power Handling (RMS): 25 Watts
- Program Power: 50 Watts
- Sensitivity (1W/1m): 86 dB
- Voice Coil Diameter: 0.75″
Technical Details
GENERAL SPECIFICATIONS
Nominal Diameter | 3” (75 mm) |
Nominal impedance | 8 Ohms |
Rated AES Power Handling (RMS) | 25 Watts |
Program Power | 50 Watts |
Sensitivity 2.00V at 1m | 86 dB |
Recommended Hi Pass Crossover* *For Full Power Handling | 250 Hz** **12db Per Octave Crossover |
Frequency Response at -10dB | 220 – 19,000 Hz |
Voice Coil Diameter | 0.75” (19 mm) |
Voice Coil Wire | Copper |
Voice Coil Winding Depth | 6.60 mm |
Former Material | Nomex |
Magnetic Gap Depth | 4.0 mm |
Frame Material | Stamped Steel |

THIELE-SMALL PARAMETERS
Equivalent Volume | Vas | 0.286 l |
Excursion (mathematical)*** | Xmax | 2.30 mm |
Free Air Resonance | Fs | 211.0 Hz |
Mechanical Factor | Qms | 4.15 |
Electrical Factor | Qes | 1.12 |
Total Factor | Qts | 0.88 |
Cone Area | Sd | 28.3 cm² |
Mechanical Mass | Mms | 2.21 g |
Bl Factor | Bl | 3.84 Tm |
Dc Resistance | Re | 5.6 Ohms |
Inductance | Le | 0.152 mH at 1 kHz |
Mechanical Mass Without Air | Mmd | 2.13 g |
Mechanical Compliance | Cms | 0.256 mm/N |
***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4

EXTRA INFO
Overall Diameter | 2.83” (72 mm) |
Front Mount Baffle Cutout | 2.59” (66 mm) |
Mounting Depth | 1.59” (40.5 mm) |
Overall Depth | 1.75” (44.5 mm) |
Net Weight | 0.72 Lbs (0.33 kg) |
Shipping Weight | 0.77 Lbs (0.35 kg) |
Carton Dimensions W x L x H | 3.23” x 3.23” x 2.16” (82 x 82 x 55 mm) |

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