| Eighteensound 8M400F 8Inch Lautsprecher Chassis 8 Ohm 18-Sound The 8M400F is a high power, high output, 200 mm (8 in) midrange for high level professional use.The excellent sound quality has been achieved as a result of extensive research on midfrequencies intelligibility. The 8M400F has been designed for use as a midrange in both horn anddirect radiation, closer or reflex enclosures, as small as 3 lt. The curvilinear cone, made with ahigh damping wood pulp, has been designed to achieve the best possible linearity within itsfrequency range. The in-house developed cone treatment is a humidity repellent and alsodampens the bell mode resonance significantly. The 51 mm (2 in) ISV aluminum voice coilassembly is wound on a strong fiberglas former to improve force transmission and powerhandling. ISV technology is based on a high strength fiberglas former with half the coil wound onthe outside and half on the inside and bonded together using unique high temperature resinadhesives. The powerful magnet assembly assures high flux concentration. The force factor andpower handling are at an optimum level. The direct contact between the finned basket and themagnetic structure significantly improves thermal connection and heat dissipation, furtherincreasing power handling and lowering power compression. The copper shorting ring on thepole piece reduces inductance and improves transient response and phase control in the midfrequencies. | |
| Nominal Impedance | 8 O |
| Minimum Impedance | 6.5 O |
| Nominal Power Handling | 250 W |
| Continuous Power Handling | 320 W |
| Sensitivity | 100.5 dB |
| Frequency Range | 200 - 9000 Hz |
| Voice Coil Diameter | 51 mm (2.0 in) |
| Recommended Enclosure | 6.0 dm3 (0.21 ft3) |
| Recommended Tuning | 100 Hz |
| Resonance Frequency | 89 Hz |
| Re | 5.1 O |
| Qes | 0.28 |
| Qms | 4.03 |
| Qts | 0.26 |
| Vas | 13.7 dm3 (0.48 ft3) |
| Sd | 227.0 cm2 (35.19 in2) |
| Xmax | 3.0 mm |
| Mms | 16.9 g |
| Bl | 13.1 Txm |
| Le | 0.07 mH |
| EBP | 317 Hz |
| Overall Diameter | 210 mm (8.27 in) |
| Bolt Circle Diameter | 196 mm (7.74 in) |
| Baffle Cutout Diameter | 186.0 mm (7.32 in) |
| Depth | 106 mm (4.17 in) |
| Flange and Gasket Thickness | 15 mm (0.61 in) |
| Net Weight | 4.9 kg (10.8 lb) |
| Shipping Weight | 5.2 kg ( lb) |
| Shipping Box | 235x235x150 mm (9.25x9.25x5.91 in) |
- Qes
- 0.28
- Nominale Impedanz
- 8 Ω
- Recommended Enclosure
- 6.0 dm3 (0.21 ft3)
- Dauerbelastbarkeit
- 320 W
- Resonanz Frequenz
- 89 Hz
- Nominale Belastbarkeit
- 250 W
- Versandkarton
- 235x235x150 mm (9.25x9.25x5.91 in)
- BL
- 13.1 Txm
- Sd
- 227.0 cm2 (35.19 in2)
- Qms
- 4.03
- Empfindlichkeit
- 100.5 dB
- Lochkreisdurchmesser
- 196 mm (7.74 in)
- Vas
- 13.7
- Schwingspulendurchmesser
- 51 mm (2.0 in)
- Mms
- 16.9 g
- Versandgewicht
- 5.2 kg ( lb)
- Einbautiefe
- 106 mm (4.17 in)
- EBP
- 317 Hz
- MInimale Impedanz
- 6.5 Ω
- Flange and Gasket Thickness
- 15 mm (0.61 in)
- Qts
- 0.26
- Tuning Frequenz
- 100 Hz
- Le
- 0.7 mH
- Xmax
- 3.0 mm
- Frequenzbereich
- 200 - 9000 Hz
- Außendurchmesser
- 210 mm (8.27 in)
- Re
- 5.1 Ω
- Netto Gewicht
- 4.9 kg
- Schallwandausschnitt
- 186.0 mm (7.32 in)
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