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 | Bass-midrange speaker, 80 W MAX, 8 Ω Specially coated paper membrane, rubber suspension, the ideal speaker for 2-way or D'Appolito systems. Can also be used as a medium in multi-channel speakers. | 
|  | Specifications Speakers | ||
|  |  | ||
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|  |  | 8 Ω | |
|  |  | ||
|  | Resonance frequency (fs) |  | 38 Hz | 
|  |  | ||
|  | Maximum bandwidth |  | f3-6000 Hz | 
|  |  | ||
|  | Freq. cut. (Fmax). |  | 3500 Hz | 
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|  | Maximum power |  | 80 WMAX | 
|  |  | ||
|  | Nominal power (P) |  | 55WRMS | 
|  |  | ||
|  | Pressure sound. (1W / 1m) |  | 89 dB | 
|  |  | ||
|  | Compliance susp. (Cms) |  | 2.14 mm / N | 
|  |  | ||
|  | Movable mass (Mms) |  | 8.2 g | 
|  |  | ||
|  | <span "= font-family: Verdana; font-size: small;">Mechanical resistance (Rms) |  | 1.0 kg / s | 
|  |  | ||
|  | Mechanical overvoltage. (Qms) |  | 1.91 | 
|  |  | ||
|  | Electrical overvoltage (Qes) |  | 0.39 | 
|  |  | ||
|  | Fact. total overvoltage (Qts) |  | 0.32 | 
|  |  | ||
|  | Volume equ. (VAS) |  | 22 l | 
|  |  | ||
|  | DC resistance. (Re) |  | 5.7 Ω | 
|  |  | ||
|  | Inductance coil. (The) |  | 0.5 mH | 
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|  | Coil diameter | 25 mm | |
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|  | Coil support |  | Alu | 
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|  | <span "= font-family: Verdana; font-size: small;">Height of winding |  | 10 mm | 
|  |  | ||
|  | Height gap |  | 6 mm | 
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|  | Linear Excursion (X MAX) |  | ± 2 mm | 
|  |  | ||
|  | Transmitting surface (Sd) |  | 80 cm2 | 
|  |  | ||
|  | Flight. air displaced (Vd) |  | 16 cm3 | 
|  |  | ||
|  | Force factor (BxL) |  | 5.4 Tm | 
|  |  | ||
|  | Ref. (No) |  | 0.3% | 
|  |  | ||
|  | Magnet diameter | 72 mm | |
|  |  | ||
|  | Magnet weight |  | 8 oz. | 
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|  | <span "= font-family: Verdana; font-size: small;">cutting |  | Ø 129 mm | 
|  |  | ||
|  | Mounting depth |  | 65 mm | 
|  |  | ||
|  | dimensions |  | 145 x 145 mm | 
|  |  | ||
|  | Weight |  | 0.75 kg | 
|  |  | ||
|  | Recommended Min Volume |  | |
|  |  | ||
|  | closed |  | 6 l | 
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|  | bass reflex |  | 12.5 l | 
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| 
 | 
| Speaker Power (W RMS) | 80.0 | 
| Speaker Type | Midbass | 
| Impedance (Ω) | 8 | 
| Loudspeaker diameter (mm) | 130.0 | 
| Diaphragm type | Paper | 
| Efficiency / Sensitivity (dB) | 89.0 | 
| Max Linear Excursion (Xmax) (mm) | 2.0 | 
| Lowest frequency (Hz) | N/A | 
| Highest frequency (Hz) | 6000 |