1. Product: 18" Kove armageddon U2
2. Specs: 2500 RMS 4k peak
4 " COIL
Dual 2 ohms
3. Description/Condition: 9/10
4. Price: :225.00 + ACTUAL SHIPPING 20X20X20 SHIPPED FROM 64118 55LBS
5. Pictures:
Here ya go, these are from my BNIB, 1 hour sine wave break in 25Hz @ Xmax,
Re = 3.7306 ohms
Fs = 25.5016 Hz
Zmax = 39.6920 ohms
Qes = 0.4619
Qms = 4.4526
Qts = 0.4185
Le = 3.0806 mH (at 1 kHz)
Diam = 374.6500 mm ( 14.7500 in )
Sd =110240.5488 mm^2(170.8732 in^2)
Vas = 118.4972 L ( 4.1847 ft^3)
BL = 27.0991 N/A
Mms = 567.4714 g
Cms = 68.6374 uM/N
Kms =14569.3154 N/M
Rms = 20.4208 R mechanical
Efficiency = 0.3998 %
Sensitivity= 88.0361 dB @1W/1m
--------------------------------------------------------------------------------
4.4net @ 26Hz is idea, sub likes 1500 ish daily, dont drop too far below tuning or expect it to bottom out. Excellent SQ from it in that enclosure, cross it at 60Hz and filter it 18dB/oct below tuning and it will please for a long time. Spiders are soft and prone to sag so dont mount firing up if ya can help it. 2" usable throw, high vas low qes means large port area is needed to keep vent mach in check. expect to use 72sq" of port area just to reach .05, but this means alot of air flow into the cabin to stir things up as well. excellent sub for those who can run it properly!
2. Specs: 2500 RMS 4k peak
4 " COIL
Dual 2 ohms
3. Description/Condition: 9/10
4. Price: :225.00 + ACTUAL SHIPPING 20X20X20 SHIPPED FROM 64118 55LBS
5. Pictures:
Here ya go, these are from my BNIB, 1 hour sine wave break in 25Hz @ Xmax,
Re = 3.7306 ohms
Fs = 25.5016 Hz
Zmax = 39.6920 ohms
Qes = 0.4619
Qms = 4.4526
Qts = 0.4185
Le = 3.0806 mH (at 1 kHz)
Diam = 374.6500 mm ( 14.7500 in )
Sd =110240.5488 mm^2(170.8732 in^2)
Vas = 118.4972 L ( 4.1847 ft^3)
BL = 27.0991 N/A
Mms = 567.4714 g
Cms = 68.6374 uM/N
Kms =14569.3154 N/M
Rms = 20.4208 R mechanical
Efficiency = 0.3998 %
Sensitivity= 88.0361 dB @1W/1m
--------------------------------------------------------------------------------
4.4net @ 26Hz is idea, sub likes 1500 ish daily, dont drop too far below tuning or expect it to bottom out. Excellent SQ from it in that enclosure, cross it at 60Hz and filter it 18dB/oct below tuning and it will please for a long time. Spiders are soft and prone to sag so dont mount firing up if ya can help it. 2" usable throw, high vas low qes means large port area is needed to keep vent mach in check. expect to use 72sq" of port area just to reach .05, but this means alot of air flow into the cabin to stir things up as well. excellent sub for those who can run it properly!
