DS18 EXL-X 8 Inch Subwoofer Owner’s Manual
- June 5, 2024
 - DS18
 
Table of Contents
DS18 EXL-X 8 Inch Subwoofer

Product Overview

Specifications
- Nominal Diameter: 8″/ 203.2 mm
 - Nominal Impedance: 2+2 OHMS
 - RMS Power Handling: 600 Watts
 - MAX Power Handling: 1200 Watts
 - Sensitivity (1w/1m): 89dB
 - Frequency Response: 38Hz 1KHz
 - Recommended Lo Pass Crossover: 100 Hz
 
MOTOR
- 
Voice Coil Diameter: 2.5/ 63.5 mm
 - 
VC Former Material: Black Aluminum
 - 
Winding Material: SV
 - 
Cone Material: Non Pressed Paper+ Glass Fiber/
Panel No Prensado+ Fibra de Vidrio - 
Dust Cap Material: PPI
 - 
Surround Material: Foam
 - 
Basket Material: Aluminum
 - 
Basket Color: Glossy Red
 - 
Magnet Material: Ferrite
 - 
Magnet Weight: 130 O0z
 
THIELE & SMALL PARAMETERS
- Equivalent Volume: Vas…………………………………………..2.5L / 0.088 ft3
 - Excursion (one way): Xmax …………………………………………………….24 mm
 - Free Air Resonance: Fs ………………………………………………………….. 70 Hz
 - Mechanical Factor: Qms ……………………………………………………….. 6.852
 - Electrical Factor: Qes ………………………………………………………… 0.987
 - Total Factor: Qts …………………………………………………………. 0.993
 - Moving Mass: Mms ……………………………………………………163.24g
 - Compliance: Cms ………………………………………………0.053mm/N
 - BI Factor: Bl…. ……………………………………………………………9.5
 - Voice Coil Inductance: Le … ………….. …………………………………….1.394 mH
 - Diaphragm Area: Sd… ………….. ………………………………… 193.59 cm2
 - DC Resistance: Re… …………………………………………….. 3.2+3.2 ohm
 - Efficiency Bandwidth Product: EBP……………………………………………………………87.1
 
RECOMMENDED ENCLOSURES
- 
Sealed Internal Volume: ………………………………………………………………………….0.3 ft3
 - 
Sealed Box Output Response: F3………………………………………. 60 Hz
 - 
Ported Internal Volume: ………………………………………………………………………0.5 ft3
 - 
Port Size *Square (WxHxL) …………………………….. 1″ x 8″ x 10.56″ /
25 x 203 x 268mm - 
Port Tunning Frequency: Fb………………………………………. 55 Hz
 - 
Ported Box Output Response: F3………………………………………. 42 Hz
 
MEASUREMENT
- Overall Diameter: ………………………………………………………. 8.58″ / 218mm
 - Overall Depth……………………………………………. 6.61″ / 168mm
 - Front Mount Baffle Cutout …………………………………… 7.36″ / 187mm
 - Mounting Depth……………………………………… 5.51″ / 140mm
 - Motor Diameter: ………………………………………….6.1″ / 155mm
 
RECOMMENDED BOX DIMENSION
**SINGLE SUBWOOFER SEALED BOX
** PARAMETERS
- Box External Dimensions (WxHxD): 15”x 9”x6.77“ /381 mm x 228.6 mm x 172
 - Material Thickness: 0.51” / 13mm
 - Net Internal Volume: 0.30 ft3 / 8.5 L
 
WOOD CUTS
- Top – Bottom: (WxH): 15” x 6.77” / 381 mm x 172 mm 2
 - Front – Rear (WxH): 15” x 7.98” / 381 mm x 202.6 mm 2
 - Left – Right: (WxH) : 5.75” x 7.98” / 146 mm x 202.6 mm 2
 
**SINGLE SUBWOOFER PORTED BOX
**
PARAMETERS
- Box External Dimensions (WxHxD): 21.65” x 9.03” x 7.58“ / 550 mm x 229.4 mm x 192.5 mm
 - Material Thickness: 0.51” / 13mm
 - Net Internal Volume: 0.50 ft3 / 14.2 L
 - Tuning Frequency: 55 Hz
 - Port Area: 7.87 inch2 / 50.8 CM2
 - Port Intel: 0.98” x 8.01” / 25 x 203.4 mm
 - Port Length: 10.56” / 268.1 mm
 
WOOD CUTS
- Top – Bottom: 21.65” x 7.58” / 550 x 192.5 mm
 - Front: 20.16” x 8.01”/ 512 x 203.4 mm
 - Rear: 21.65” x 8.01” / 550 x 203.4 mm
 - Left: 6.56” x 8.01”/ 166.5 x 203.4 mm
 - Right: 7.07” x 8.01” / 179.5 x 203.4 mm
 - Port: 5.57” x 8.01” / 141.5 x 203.4 mm
 - Port: 2.98” x 8.01” / 75.6 x 203.4 mm
 
DOUBLE SUBWOOFER PORTED BOX

PARAMETERS
- Box External Dimensions: (WxHxD): 27.56” x 9.03” x 11“ / 700 mm x 229.4 mm x 279.3
 - Material Thickness: 0.51” / 13mm
 - Net Internal Volume: 1 ft3 / 28.3 L
 - Tuning Frequency: 55 Hz
 - Port Area: 15.50 inch2 / 100 CM2
 - Port Intel: 1.94” x 8.01” / 49.2 x 203.4 mm
 - Port Length: 9” / 228.7 mm
 
WOOD CUTS
- Top – Bottom: 27.56” x 11” / 700 x 279.3 mm
 - Front: 25.11” x 8.01”/ 637.8 x 203.4 mm
 - Rear: 27.56” x 8.01” / 700 x 203.4 mm
 - Left: 9.97” x 8.01”/ 253.3 x 203.4 mm
 - Right: 10.48” x 8.01” / 266.3 x 203.4 mm
 - Port: 7.52” x 8.01” / 191.1 x 203.4 mm
 
FOR MORE INFORMATION PLEASE VISIT DS18.COM
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>