Carbon fiber embossed Gately Audio dustcap with carbon fiber cone attached to a high roll surround. 

Chrome coated GATELY engineered basket. 

Dual Progressive nomex spiders with stitched oversized flat wound tinsel leads connect.

18” direct leads are 12 ga OFC (red/black) Sky High Car Audio speaker wire. 

Relentless 6.5” use a 2” 4 layer high temp copper wound while the 8” Relentless subwoofers use a 2.5” voice coil of the same quality. 

Relentless 6.5” have a motor structure that consists of a 3 layer Y35 ferrite magnet that measures 5.5” in diameter by 0.79” thick per slug. 

For dimensions, see product specifications in images.

Cutout Diameter 5.91"
Mounting Depth 5.98"
Weight : 19 lbs

Model: Relentless 6.5 D2
f(s) = 53.43 Hz
Q(ts) = 0.4868
V(as) = 2.449 liters (0.08647 cubic feet)
SPL = 80.22 dB SPL 1W/1m
Nominal Diam. = 0 mm (6.5 in.)
R(e) = 4.301 Ohms
Q(es) = 0.549
Piston Diam. = 130.2 mm (5.125 in.)
SPL = 82.92 dB SPL 2.83 Vrms
C(ms) = 9.8e-05 mm/N
Z(max) = 37.95 Ohms
L(e) = 3.009 mH at 1kHz
Q(ms) = 4.295
BL = 15.4
n(0) = 0.06486 %
M(ms) = 90.14 grams

------------------------------------

Model: Relentless 6.5 D3
f(s) = 53.33 Hz
Q(ts) = 0.5246
V(as) = 2.455 liters (0.08671 cubic feet)
SPL = 79.89 dB SPL 1W/1m
Nominal Diam. = 0 mm (6.5 in.)
R(e) = 6.329 Ohms
Q(es) = 0.59
Piston Diam. = 130.2 mm (5.125 in.)
SPL = 80.91 dB SPL 2.83 Vrms
C(ms) = 9.9e-05 mm/N
Z(max) = 57.11 Ohms
L(e) = 4.374 mH at 1kHz
Q(ms) = 4.734
BL = 18.01
n(0) = 0.06018 %
M(ms) = 90.23 grams

------------------------------------

Model: Relentless 6.5 D4
f(s) = 62.65 Hz
Q(ts) = 0.6042
V(as) = 1.845 liters (0.06516 cubic feet)
SPL = 80.1 dB SPL 1W/1m
Nominal Diam. = 0 mm (6.5 in.)
R(e) = 8.368 Ohms
Q(es) = 0.6855
Piston Diam. = 130.2 mm (5.125 in.)
SPL = 79.91 dB SPL 2.83 Vrms
C(ms) = 7.4e-05 mm/N
Z(max) = 70.53 Ohms
L(e) = 4.803 mH at 1kHz
Q(ms) = 5.092
BL = 20.45
n(0) = 0.06311 %
M(ms) = 87 grams