Driver excursion for the Gotham is 4 inches and for the Sub 2 its 3inches. But were looking at six 10inch drivers vs two 13.5 inch drivers.
Enclosure Type: Sealed, with non-parallel walls
Driver: Twin 13.5 inch (nominal diameter)
Frequency Response: 19 - 200 Hz (3dB)
Effective Piston Area: 214.70 sq. in. / 0.1386 sq. m.
Effective Displacement: 773 cu. in. / 12.7 liters
Amplifier Power: 3800 watts RMS short-term
(H) Height x (W) Width x (D) Depth 34.13 in x 21.50 in. x 24.00 in.
867 mm x 546 mm x 610 mm
Net Weight: 360 lbs. / 163 kg
Cabinet Finish: High-Gloss Black
US Retail Price: $12,000.00
NOTES: *Height dimensions include feet.
Amplifier: High-Current, Discrete Output 9000 watts Dynamic Peak / 4500 watts RMS Sustained (when connected to a 240-volt outlet.)
Amplifier Design Features Auto-On/Off, Trigger-On/Off, soft clipping, thermal protection, electrical shorting protection
Subwoofer Bass Driver(s) dual advanced spiders, 25.2 lb (10.5 kg) hard ferrite magnet / motor structure, massive center heatsink and oversize pole piece, 76-mm (3 in) 10-layer long-excursion voice coils, FEA-optimized overmolded thermoplastic foam surrounds, high-temperature composite Nomex® formers, Six 254-mm (10 in) mineral-filled RCR™ polypropylene cones, AVS™ die-cast heatsink chassis
Low-Frequency Extension* 7 Hz (DIN)
Subwoofer Cut-Off Frequency Variable 35 Hz - 150 Hz; Bypass Option
Sub. / Sat. Phase Alignment Variable 0° - 180°
Line-Level Input RCA (S/E) Left and Right or Sub-Out / LFE or Balanced XLR. From Sub-Out / LFE-Out of preamp/processor or other line-level source
Line-Level Input Sensitivity 100 mV Mono
Line-Level Input Impedance RCA: 10 k ohms; XLR: 20 k ohms;
Universal Input Power SUB 2's Universal Input Power feature allows the subwoofer to operate connected to any line voltage between 108 volts and 265 volts. In order to achieve maximum output, connect to a 240-volt line. (See dealer for additional information.)
AC Voltage (see note on Universal Input Power) 120v (at 3,000 watts) - 50/60 Hz, 240v (at 4,500 watts) - 50/60 Hz
Accessory Paradigm Perfect Bass Kit™
Diameter of Hexagonal Cabinet 60.4 cm / 23-3/4 in
Height, Width, Depth
(Height includes spikes or outrigger feet) 62.2 cm x 60.4 cm x 57.8 cm
24-1/2 in x 23-3/4 in x 22-3/4 in
Weight (unpacked) 105.7 kg / 233 lb each
Finishes Cherry, Piano Black