Tunex Car Audio TX-1830D2 18″ 3000rms

Heavy-duty die-cast basket with black powder finish
Black non-press paper composite cone
Hi-roll high-density Ribbed foam surround
4″ hi-temp 4-layer flat aluminum wire voice coil on aluminum bobbin
4pcs double black poly-cotton spiders with the mirror-image layout
Spaced by spider ring,double-thick tinsel stitched on spider
Triple stacked 402oz magnets(each magnet size is 3X254x20)
1-pc technology T-yoke for maximum excursion
Carbonized dust cap
Voice coil direct cooling design motor
10-gauge pure copper power cable for direct connecting
Rubber gasket and rubber magnet boot
Dual 2ohm impedances
3000W RMS power,6000W Max power
Packaging: each sub is packed by polyfoam+inner box

TX-1830D2 – Parallel Coil Configuration

• Impedance (Ohm): 1 (Parallel Coil)
• Power (W): 3000
• Voice Coil: 4″ Flat Aluminum
• Magnet Size: 3x254x20
• Magnet Weight (oz): 402
• Xmax (±mm): 17.5
• Xmech (mm): 35
• Dcr (Ohm): 0.8
• Fs (Hz): 30.051
• SD (msqM): 116.416
• BL (Tm): 11.061
• Qms: 5.137
• Qes: 0.66
• Qts: 0.585
• SPLo (dB): 89.1
• Vas (L): 118.991
• Cms (μm/N): 62.477
• Mms (g): 464.494
• Mmd (g): 441.655

TX-1830D2 – Series Coil Configuration

• Impedance (Ohm): 4 (Series Coil)
• Power (W): 3000
• Voice Coil: 4″ Flat Aluminum
• Magnet Size: 3x254x20
• Magnet Weight (oz): 402
• Xmax (±mm): 17.5
• Xmech (mm): 35
• Dcr (Ohm): 3.2
• Fs (Hz): 29.849
• SD (msqM): 116.416
• BL (Tm): 21.611
• Qms: 3.989
• Qes: 0.584
• Qts: 0.509
• SPLo (dB): 89.3
• Vas (L): 120.457
• Cms (μm/N): 62.592
• Mms (g): 454.2
• Mmd (g): 431.361