Brand: BEYMA
Article: 4FR40
BEYMA 4FR40 LOUDSPEAKER 4″FR40 8 OH
| Brand | BEYMA |
| Nominal diameter | 100 mm 4 in |
| Nominal impedance | 8 Ohm |
| Minimum impedance | 7.3 ohm |
| Power capacity | 40 W AES |
| Program power | 80 W |
| Sensitivity | 87 dB 1 W/1 m @ ZN |
| Frequency range | 100-20000 Hz |
| Voice coil diameter | 20.3 mm 0.8 in |
| BL factor | 4.2 N/A |
| Moving mass | 0.0044 kg |
| Winding length | 7.7 mm |
| Air gap height | 5 mm |
| Xdamage pp | – |
| Fs | 92 Hz |
| Re | 6.4 ohm |
| Qms | 11.3 |
| Qes | 0.96 |
| Qts | 0.88 |
| Vas | 2.8 l |
| Cms | 668 µm / N |
| Rms | 0.23 kg/s |
| Efficiency % | 0.22 |
| Sd | 0.0055 m² |
| Xmax | 3 mm |
| Vd | 11 cm³ |
| Le @1 kHz | 0.2 mH |
| Net weight | 0.55 kg 1.2 lb |
| Total weight | 0.75 kg 1.65 lb |
| Magnet | Ferrite |
| POWER (W AES) | 40 |
| SEN. (dB 2.83V-1m) | 87 |
| COIL DIAM. (in) | 0.8 |
- beyma-speakers-data-sheet-full-range-4FR40.pdf
