SD-Series v.4 8" Neo Subwoofer

Regular price $318.99 USD

Regular price Sale price $318.99 USD

Unit price per

Shipping calculated at checkout.

Impedance: D4 D4 D2

Product variants

RMS 400 watts
Dual 2 or 4 ohm voice coils
Optimized for small, sealed enclosures
Lightweight Neodymium motor
Computer-optimized foam “w” surround
Two-inch 8-layer copper voice coil
Large aluminum Faraday ring for smooth acoustic response
Patented high strength cast aluminum frame
Low distortion motor construction
High-temperature voice coil wire
Spring-loaded terminals
Stitched-on tinsel lead wires

The SD-4 series truly is a world-class sound quality woofer with low mounting depth, small box requirements, yet extraordinarily high power handling. It's the ideal choice for anyone seeking a high-quality, low-mounting-depth subwoofer that performs hammers in small enclosures. With enhanced mechanical durability and superb sound quality, you get the perfect marriage of form and function.

Specifications

T/S SPECS	SD-4 8″ D2	SD-4 8″ D4
RE (Ohms)	4.2018	6.4276
FS (Hz)	35.6841	36.2549
VAS (L)	12.1640	12.8320
Qes	0.5783	0.6561
Qms	5.7988	5.7301
Qts	0.5259	0.5887
Le (mH)	4.4242	6.0746
BL (NA)	13.1700	14.7716
Mms (Grams)	106.4747	97.7789
Cms (uM/N)	186.8295	197.0082
Sens (dB @ 1w/1m)	81.5509	81.4416
Xmax	14.5mm	14.5mm

Enclosure Specifications

Sealed Enclosure	0.33-0.5 cu ft
Ported Enclosure	Not Recommended
Recommended Tuning	N/A
Recommended Port Area	N/A
Displacement	0.07 cu ft
Depth	4.6"
Outside Diameter	8.70"
Cut-Out	7.30"
Physical Dimensions	Download

Specifications

Specifications for product SD-Series v.4 8" Neo Subwoofer
T/S Specs
RMS Power (D4)	400
RMS Power (D2)	400
RE D2 (Ohms)	4.2
RE D4 (Ohms)	6.43
FS D2 (Hz)	35.6841
FS D4 (Hz)	36.25
VAS D2 (L)	12.16
VAS D4 (L)	12.83
Qes D2	0.5783
Qes D4	0.6561
Qms D2	5.7988
Qms D4	5.7301
Qts D2	0.5259
Qts D4	0.5887
Le D2 (mH)	4.4242
Le D4 (mH)	6.0746
BL D2 (NA)	13.17
BL D4 (NA)	14.77
Mms D2 (Grams)	106.4747
Mms D4 (Grams)	97.7789
Cms D2 (uM/N)	186.8295
Cms D4 (uM/N)	197.0882
Sens D2 (dB @ 1w/1m)	81.55
Sens D4 (dB @ 1w/1m)	81.44
Xmax D2	14.5mm
Xmax D4	14.5mm
Subwoofer Measurements
Documentation	Physical Dimensions
Displacement (Inches)	0.07 cu ft
Depth (Inches)	4.5"
Cutout (Inches)	6.750"
Motor Diameter (Inches)	4.52
Ported Enclosure Specs
Ported Enclosure Size	Not Recommended
Recommended Port Tuning	35hz
Sealed Enclosure Specs
Sealed Enclosure Size	0.33 - 0.5 cu ft
4th Order Enclosure Specs
4th Order Sealed Side	.375cu ft
4th Order Ported Side	1.5cu ft
4th Order Port Area	15sq in
4th Order Port Length	6"

Find Your Local Dealer

Get your product quicker from on of our Authorized Dealers. Click here to find yur local dealer.

Our authorized dealers are trained experts and offer customer service when you need it the most. Beware of purchasing from unauthorized dealers. Purchasing From Unauthorized Sellers Will Void Your Warranty

Complete Your System

Search

Commonly searched

Cart

SD-Series v.4 8" Neo Subwoofer

Specifications

Enclosure Specifications