DS18 Subwoofer Owner's Manual
Models: ZR15.2D, ZR15.4D
Introduction
This manual provides owner's information and technical specifications for the DS18 ZR15.2D and ZR15.4D 15-inch subwoofers. The document is presented in English and Spanish.
DS18 ZR15.2D 15" Subwoofer
Physical Dimensions
The DS18 ZR15.2D is a 15-inch subwoofer. Key physical dimensions are:
- Overall Diameter: 15.39 inches / 391 mm
- Overall Depth: 8.41 inches / 213.56 mm
- Mounting Depth: 7.39 inches / 187.76 mm
- Front Mount Baffle Cutout Diameter: 13.95 inches / 354.24 mm
Specifications
| Specification | Value |
|---|---|
| Nominal Diameter | 15" / 381mm |
| Nominal Impedance | 2+2 OHMS |
| RMS Power Handling | 750W |
| MAX Power Handling | 1500W |
| Sensitivity (1w/1m) | 86 dB |
| Frequency Response | 21Hz - 200 Hz |
| Recommended Lo Pass Crossover | 80 Hz |
Motor Details
| Motor Component | Material / Specification |
|---|---|
| Voice Coil Diameter | 2.5" / 61.6mm |
| VC Former Material | Aluminum / Aluminio |
| Winding Material | Copper / Cobre |
| Cone Material | Non Pressed Paper / Papel no Prensado |
| Dust Cap Material | PPI |
| Surround Material | Foam / Espuma |
| Basket Material | Steel / Acero |
| Basket Color/Finish | Matte Black / Negro Mate |
| Magnet Material | Ferrite / Ferrita |
| Magnet Weight | 100 oz |
| Displacement Volume | 0.11 ft³ |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 76.5 L |
| Excursion (one way) (Xmax) | 25mm |
| Free Air Resonance (Fs) | 26Hz |
| Mechanical Factor (Qms) | 4.34 |
| Electrical Factor (Qes) | 0.82 |
| Total Factor (Qts) | 0.69 |
| Moving Mass (Mms) | 345.9g |
| Compliance (Cms) | 75.4 µm/N |
| BL Factor (Bl) | 8.58 |
| Voice Coil Inductance (Le) | 567.8 mH |
| Cone Area (Sd) | 834.69 Cm² |
| DC Resistance (Re) | 1.8 + 1.8 ohm |
| Efficiency Bandwidth Product (EBP) | 31.7 |
Measurements
| Measurement | Value |
|---|---|
| Overall Diameter | 15.35" / 391mm |
| Overall Depth | 8.41″/213.56mm |
| Front Mount Baffle Cutout | 13.95″/354.24mm |
| Mounting Depth | 7.39″/187.76mm |
| Motor Diameter | 6.1" / 155mm |
DS18 ZR15.4D 15" Subwoofer
Physical Dimensions
The DS18 ZR15.4D is a 15-inch subwoofer. Key physical dimensions are:
- Overall Diameter: 15.39 inches / 391 mm
- Overall Depth: 8.41 inches / 213.56 mm
- Mounting Depth: 7.39 inches / 187.76 mm
- Front Mount Baffle Cutout Diameter: 13.95 inches / 354.24 mm
Specifications
| Specification | Value |
|---|---|
| Nominal Diameter | 15" / 381mm |
| Nominal Impedance | 4+4 OHMS |
| RMS Power Handling | 750W |
| MAX Power Handling | 1500W |
| Sensitivity (1w/1m) | 86 dB |
| Frequency Response | 21Hz - 200 Hz |
| Recommended Lo Pass Crossover | 80 Hz |
Motor Details
| Motor Component | Material / Specification |
|---|---|
| Voice Coil Diameter | 2.5" / 61.6mm |
| VC Former Material | Aluminum / Aluminio |
| Winding Material | Copper / Cobre |
| Cone Material | Non Pressed Paper / Papel no Prensado |
| Dust Cap Material | PPI |
| Surround Material | Foam / Espuma |
| Basket Material | Steel / Acero |
| Basket Color/Finish | Matte Black / Negro Mate |
| Magnet Material | Ferrite / Ferrita |
| Magnet Weight | 100 oz |
| Displacement Volume | 0.11 ft³ |
Thiele & Small Parameters
| Parameter | Value |
|---|---|
| Equivalent Volume (Vas) | 83.6 L |
| Excursion (one way) (Xmax) | 25mm |
| Free Air Resonance (Fs) | 29Hz |
| Mechanical Factor (Qms) | 4.3 |
| Electrical Factor (Qes) | 0.99 |
| Total Factor (Qts) | 0.8 |
| Moving Mass (Mms) | 273.3g |
| Compliance (Cms) | 81.9 µm/N |
| BL Factor (Bl) | 9.9 |
| Voice Coil Inductance (Le) | 838.3 mH |
| Cone Area (Sd) | 834.69 Cm² |
| DC Resistance (Re) | 3.4 + 3.4 ohm |
| Efficiency Bandwidth Product (EBP) | 29.3 |
Measurements
| Measurement | Value |
|---|---|
| Overall Diameter | 15.35" / 391mm |
| Overall Depth | 8.41″/213.56mm |
| Front Mount Baffle Cutout | 13.95″/354.24mm |
| Mounting Depth | 7.39″/187.76mm |
| Motor Diameter | 6.1" / 155mm |
Recommended Enclosure Dimensions
DS18 provides recommended enclosure dimensions for optimal performance.
Single Subwoofer Sealed Box
Box External Dimensions (WxHxD): 23.62" x 16.50" x 15.08"
Material Thickness: 0.75" / 19 mm
Net Internal Volume: 2.50 ft³
Wood Cut Dimensions:
- Top-Bottom (WxH): 23.62" x 15.08" (Qty: 2)
- Front-Rear (WxH): 23.62" x 15.00" (Qty: 2)
- Left-Right (WxH): 13.59" x 15.00" (Qty: 2)
Single Subwoofer Ported Box
Box External Dimensions (WxHxD): 31.50" x 17.72" x 16.27"
Material Thickness: 0.75" (3/4) / 19mm
Net Internal Volume: 3.50 ft³
Tuning Frequency: 32 Hz
Port Area: 38.28 inch²
Port Inlet (WxH): 2.36" x 16.22"
Port Length: 21.22"
Wood Cut Dimensions:
- Top-Bottom (WxH): 31.50" x 16.27" (Qty: 2)
- Front (WxH): 28.39" x 16.22" (Qty: 1)
- Rear (WxH): 31.50" x 16.22" (Qty: 1)
- Left (WxH): 14.77" x 16.22" (Qty: 1)
- Right (WxH): 15.52" x 16.22" (Qty: 1)
- Port (WxH): 12.41" x 16.22" (Qty: 1)
- Port (WxH): 4.95" x 16.22" (Qty: 1)
Double Subwoofer Ported Box
Box External Dimensions (WxHxD): 37.40" x 17.72" x 25.35"
Material Thickness: 0.75" (3/4) / 19mm
Net Internal Volume: 7.00 ft³
Tuning Frequency: 32 Hz
Port Area: 75.00 inch²
Port Inlet (WxH): 4.63" x 16.22"
Port Length: 17.62"
Wood Cut Dimensions:
- Top-Bottom (WxH): 37.40" x 25.35" (Qty: 2)
- Front (WxH): 32.03" x 16.22" (Qty: 1)
- Rear (WxH): 37.40" x 16.22" (Qty: 1)
- Left (WxH): 23.85" x 16.22" (Qty: 1)
- Right (WxH): 24.60" x 16.22" (Qty: 1)
- Port (WxH): 16.87" x 16.22" (Qty: 1)
More Information
For more information, please visit DS18.COM.
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