Product Overview
About: Fi Audio X15 15" 1500W RMS Subwoofer
The Xv4 Series of subwoofers is a super tough daily entry level sub. A double stack of wide high strength magnets and a standard high compression pole cap are the foundation for this motor. A multilayer foam wide surround is attached to a fiber impregnated linear kraft pulp cone which helps keep things under control in high power applications. A 3″ 4 layer aluminum voice coil yields 27mm of Xmax while keeping the motor force high. The X v4 Series will works best in ported or 6th order enclosures. Ultra tough and versatile, the X Series works in a variety of applications where excellent durability and output is required. Gloss carbon caps are standard along with the option of an extra spider for higher FS/QTS applications such as SPL burp classes.
Features:
- Dual 1 & 2 Ohm
- Cast basket
- Wrap around gasket
- Linear reinforced cone
- Mulit-layer wide foam surround
- Push terminal
- Extra heavy lead wire
- FEA optimized motor
- 3” diameter 4 layer coil
- Wide double stack high grade magnet
- Dual progressive spiders
- Gloss carbon cap
- Compression cooling
- Optional extra spider
Thiele/Small parameters:
| Coils | D1/D2 Soft | D1/D2 Stiff |
| Fs | 32.4 Hz | 39.3 Hz |
| Re | .8/1.6 | .8/1.6 |
| Qms | 5.65 | 6.84 |
| Qes | 0.49 | 0.6 |
| Qts | 0.42 | 0.55 |
| Mms | 377.4 g | 377.4 g |
| Cms | 6.38^-5 | 4.36^-5 |
| Sd | 810 cm^2 | 810 cm^2 |
| Vas | 58.59 l | 40.0 l |
| Spl | 87.9 1W/1m | 87.9 1W/1m |
| Bl | 16.4/23.2 | 16.4/23.2 |
| Xmax | 27 mm | 27 mm |
| Rms | 1500W | 1500W |
Measurements:
- Overall: 15.500"
- Cutout: 13.875"
- Mounting Depth: 8.375"
- Displacement: .18 cuft
- Sealed ft3: N/A
- Ported ft3: 3-5 cuft
