18SOUND 8M400F
18SOUND (Eighteen Sound) 8M400F — 8" / 8 inch · Midrange without Bass (Mid) · Midrange · Ferrite
2" voice coil · 8 Ω
Part no.: 42A-CHS-MT-18S-0008
Documents
18SOUND 8M400F — 8" · Midrange Driver
250 W AES · 100.5 dB Sensitivity · Frequency range 200 Hz – 9000 Hz
Technical data
- Diameter: 8 "
- Voice coil: 2 "
- Power handling: 250 W AES
- Sensitivity: 100.5 dB
- Impedance: 8 Ω
- Magnet: Ferrite
- Weight: 4.9 kg
- Mounting depth: 106 mm
- Frequency range: 200 – 9000 Hz
Datasheet (PDF) · Manufacturer page
Series: M · Part no.: 42A-CHS-MT-18S-0008
Thiele-Small parameters
| Nominal impedance | 8 Ω |
|---|---|
| Resonance frequency fs | 89 Hz |
| Total Q Qts | 0.26 |
| Electrical Q Qes | 0.28 |
| Mechanical Q Qms | 4.03 |
| Equivalent volume Vas | 13.7 l |
| Moving mass Mms | 16.9 g |
| Cone area Sd | 227 cm² |
| Linear excursion Xmax | 3 mm |
| Force factor BL | 13.1 Tm |
| DC resistance Re | 5.1 Ω |
| Voice coil inductance Le | 0.7 mH |
Comparable drivers
Same size, same type, Qts within ±30 %.
- 18 Sound 8NTLW2000fs 74 Hz · Qts 0.26 · Vas 11.3 l · in the database
- B&C Speakers 8NDL64fs 80 Hz · Qts 0.25 · Vas 9.6 l · in the database
- B&C Speakers 8NW51fs 76 Hz · Qts 0.25 · Vas 10.6 l · in the database
- RCF MB8N251fs 68 Hz · Qts 0.25 · Vas 13 l · in the database
- B&C Speakers 8MDN51fs 68 Hz · Qts 0.27 · Vas 17.5 l · in the database
- Oberton 8NM250_V2fs 67.7 Hz · Qts 0.25 · Vas 8.39 l · in the database
Specifications
| Allgemein | |
|---|---|
| Manufacturer | 18SOUND |
| Category | Mid Frequency |
| Series | M |
| Magnet | Ferrite |
| Impedance (Ω) | 8 |
| Power handling (W) | 250 |
| Sensitivity (dB) | 100.5 |
| Frequency from (Hz) | 200 |
| Frequency to (Hz) | 9000 |
| Abmessungen & Korb | |
|---|---|
| Diameter | 8 |
| Voice coil (inch) | 2 |
| Mounting depth (mm) | 106 |
| Weight (kg) | 4.9 |
| Thiele-Small-Parameter | |
|---|---|
| Re (Ω) | 5.1 |
| Le (mH) | 0.7 |
| Fs (Hz) | 89 |
| Qms | 4.03 |
| Qes | 0.28 |
| Qts | 0.26 |
| Vas (l) | 13.7 |
| Xmax (mm) | 3 |
| BL (Tm) | 13.1 |
| Mms (kg) | 0.0169 |
| Sd (m²) | 0.0227 |