SP-45/4,172-7548,Monacor SP-45/4 20W 扬声器驱动器, 4Ω阻抗 ,Monacor
Set of speakers for boomer medium and wideband Hi-Fi applications, which may be used in the construction of loudspeakers or as replacements.
Response curves and documentation available on request.
| Stock | Z | power | ? (mm) | thickness | Band |
| no. | (Ω) | (W) | Magnet | (mm) | width |
| 114-6804 | 8 | 70 | 100 | 90 | 50 Hz to 9 kHz |
| 114-6731 | 8 | 60 | 100 | 84 | 40 Hz to 3 kHz |
| 114-6387 | 8 | 50 | 80 | 69 | 70 Hz to 20 kHz |
| 114-6422 | 8 | 60 | 80 | 60 | 70 Hz to 8 kHz |
| 172-7532 | 4 | 60 | 80 | 60 | 70 Hz to 8 kHz |
| 114-6438 | 8 | 40 | 70 | 43 | 120 Hz to 16 kHz |
| 172-7548 | 4 | 40 | 70 | 43 | 120 Hz to 16 kHz |
| 114-6775 | 4 | 10 | 60 | 43 | 150 Hz to 15 kHz |
| Stock | switching of | efficiency | ? | panel | weight |
| no. | resonance | (1 W/1 m) | (mm) | cut-out (mm) | (kg) |
| 114-6804 | 50 Hz | 92 dB | 205 | 186 | 1.2 |
| 114-6731 | 40 Hz | 90 dB | 175 | 145 | 1.2 |
| 114-6387 | 70 Hz | 90 dB | 135 | 113 | 0.78 |
| 114-6422 | 70 Hz | 91 dB | 105 | 96 | 0.9 |
| 172-7532 | 70 Hz | 91 dB | 105 | 96 | 0.9 |
| 114-6438 | 120 Hz | 89 dB | 75 | 72 | 0.44 |
| 172-7548 | 120 Hz | 89 dB | 75 | 72 | 0.44 |
| 114-6775 | 150 Hz | 88 dB | 78 | 72 | 0.3 |
