COMPONENTS
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M151-4 - BASS AND KEYBOARD MUSICAL INSTRUMENT LOUDSPEAKER |
This is a 4 ohm JBL 15" speaker with 300 watts power handling
Features a massive 16 pound magnet and a lacquer dipped cone for superior strength and rigidity
Designed for the bass guitarist or keyboard player who wants a warm clean sound with crisp and clear overtones
The M151-4 works well for all bass applications including bass guitar
Used in vintage AMPEG bass cabinets
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$287.99 SOLD OUT! DISCONTINUED MODEL. |
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Specifications
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SPEAKER
MODEL |
M151-4 |
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Nominal
Basket Diameter |
15"
/ 380mm |
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Impedance |
4 ohms |
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Continuous Program Power |
300
Watts |
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Frequency
Response |
40Hz
-4.0kHz |
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Sensitivity
(1W/1m) |
102dB |
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Voice
Coil Diameter |
3"
/ 76mm |
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Voice
Coil Material |
Edgewound Aluminum Ribbon |
| Recommended Enclosure Volume | 56-170 Liters / 2.0-6.0 cu. ft. |
| Maximum Excursion | 33mm / 1.3" |
| Voice Coil Winding Depth | 15.2mm / 0.6" |
| Magnetic Gap Depth | 12.7mm / 0.5" |
| Volume Displaced By Driver | 6 Liters / .2 cu. ft. |
Mounting Information
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Front Mount Baffle Cutout |
13.968"
/ 355mm |
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Rear
Mount |
14.3"
/ 359mm |
| Overall Depth | 168mm / 6.625" |
| Magnet Assembly Weight | 7.3kg / 16 lbs. |
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Net weight |
8.4 kg / 18.4 lbs |
Thiele-Small
Parameters
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Resonant Frequency (fs) |
45 Hz |
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Impedance
(Re) |
4.8 ohms |
| Coil Inductance (Le) | .72mH |
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Electromagnetic Q (Qes) |
.27 |
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Mechanical Q (Qms) |
4.8 |
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Total Q (Qts) |
.25 |
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Compliance Equivalent Vol. (Vas) |
197 Liters/7.0 cu. ft. |
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Voice Coil Overhang (Xmax) |
5.9mm |
| Surface area of Cone (Sd) | .088 m2 |
| Efficiency (Half Space) % | 6.5 % |
| Pe Maximum (Watts) | 300 |
| BL Factor | 18.8 N/A |
| Displacement Volume (Vd) | 440 cm3 |
(+)Positive voltage on RED terminal gives forward diaphragm motion.
US Speaker, LLC
