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P12R - VINTAGE GUITAR SPEAKER |
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SPEAKER MODEL |
P12R |
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Specifications |
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Nominal
Basket Diameter |
12"
/ 306mm |
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Impedance |
8
/ 16 ohms |
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Rated Power |
25
Watts |
| Musical Power | 50 Watts |
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Frequency
Response |
60Hz
-8kHz |
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Sensitivity
(1W/1m) |
93.6dB |
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Voice
Coil Diameter |
1"
/ 25mm |
| Magnet Assembly Weight | 7 oz./ 200 grams |
| Net Weight | 3.55 lbs. |
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Speaker Materials |
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| Magnet | Alnico |
| Voice Coil Winding | Copper |
| Voice Coil Former | Kapton |
| Cone | Paper |
| Surround | Integrated Paper |
| Dust Dome | Felt |
| Basket | Pressed Sheet Steel |
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Mounting Information |
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| Front Mount Baffle Cutout | 10.91" / 277mm |
| Overall Depth | 137.5mm / 5.41" |
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Thiele-Small Parameters |
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| Resonant Frequency (fs) | 74 Hz |
| Impedance (Re) | 6.7 ohms |
| Coil Inductance (Le) | .58mH |
| Electromagnetic Q (Qes) | 2.06 |
| Mechanical Q (Qms) | 24.6 |
| Total Q (Qts) | 1.9 |
| Comp. Equiv. Vol. (Vas) | 64.2 Liters/2.27cu. ft. |
| Max. Displacement (Xmax) | 1.0mm |
| Surface area of Cone (Sd) | .4908 m2 |
| Efficiency (Half Space) % | 1.25% |
| Pe Maximum (Watts) | 50 |
| Flux Density | .96 T |
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Frequency Response |
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Dimensional Drawing |
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US Speaker, LLC