The Gately Audio Relentless Series 18" Subwoofer will blow you away with unbelievable output and power handling. With a massive USA wound 4″ voice coil for increased thermal capacity, we designed the rest of the motor from the ground up using FEA optimization. Using three ultra-high grade Y35 magnets the  Gately 18" Relentless has plenty of motor force and excursion potential. Our custom tooled progressive 3 layer 100% Nomex spider pack with triple sewn tinsel leads which help keep the moving assembly under control at extreme excursion levels along with our carbon fiber cone and dust cap assembly that is thermally coupled to the voice coil to act as a heatsink. The multi-layer foam surround in the Gately 18" Relentless provides the durability needed for extended aggressive listening adventures. With 8 awg OFC Sky High Car Audio direct leads, the Gately 18" Relentless is ready for the most extreme setups. The Relentless 18" series is designed for monsterous daily driver systems, and even competition use for those requiring high linearity and extreme power handling. Delivering ultra low bass extension as well as excellent tonal accuracy, the new Gately 18" Relentless is the subwoofer you have been looking for.

Weighs 70 lbs. 

MOUNTING DEPTH = 11.75"

OUTSIDE DIAMETER = 18.5"

MOUNTING DIAMETER = 16.9375"

RECOMENDED ENCLOSURE = 6.5'-8'

RECOMENDED PORT AREA = 90"-115"

ONE WAY Xmax = 32mm

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Model: Relentless 18 Dual 1 ohm
f(s) = 33.61 Hz
Q(ts) = 0.8503
V(as) = 76.71 liters (2.709 cubic feet)
SPL = 86.67 dB SPL 1W/1m
Nominal Diam. = 0 mm (18 in.)

Model: Relentless 18 D1
R(e) = 1.475 Ohms
Q(es) = 0.9708
Piston Diam. = 381 mm (15 in.)
SPL = 94.01 dB SPL 2.83 Vrms
C(ms) = 0.042 mm/N

Z(max) = 11.88 Ohms
L(e) = 0.5823 mH at 10kHz
Q(ms) = 6.851
BL = 13.08
n(0) = 0.2861 %
M(ms) = 533.6 grams

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Model: Relentless 18 Dual 2 ohm
f(s) = 38.15 Hz
Q(ts) = 0.8375
V(as) = 60.88 liters (2.15 cubic feet)
SPL = 87.33 dB SPL 1W/1m
Nominal Diam. = 0 mm (18 in.)

Model: Relentless 18 D2
R(e) = 3.43 Ohms
Q(es) = 0.9668
Piston Diam. = 381 mm (15 in.)
SPL = 91.01 dB SPL 2.83 Vrms
C(ms) = 0.033 mm/N

Z(max) = 25.64 Ohms
L(e) = 1.429 mH at 10kHz
Q(ms) = 6.26
BL = 21.07
n(0) = 0.3335 %
M(ms) = 521.8 grams