Free UK Shipping.
VIP & UK B2B Trade Accounts.
Safe & Secure Payment Methods.
Manufacturer Support.
PDN.18SB40
Sub Bass Driver
- Discontinued – Special Order / OEM Only
- Contact info@precision-devices.com for order information
- Heavy-duty cast aluminium Chassis for increased rigidity
- Easy integration with 1″ or 2″ compression drivers
- Complimented by PDN.10/12MH25
- Effective transducer in a variety of versatile applications
- A B/L in excess of 28 T/m
- Also suitable for horn loaded/bandpass sub bass designs
- Lightweight neodymium magnet assembly
Diameter
18" / 457.2 mm
Coil Diameter
4.0" / 101.6 mm
Power Rating
600 w (A.E.S.)
Frequency Range
40 Hz - 3.5 kHz
Sensitivity
98 dB
Xmax
6 mm
Find Distributors and Retailers
Download Datasheet PDF
Ask a Question About the PDN.18SB40
General Specifications
| Type | Sub Bass Driver |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Nominal Diameter | 18" / 457.2 mm |
| Voice Coil Diameter | 4.0" / 101.6 mm |
| Peak Power (6 dB Crest Factor) * | 2400 w (A.E.S.) |
| Power Rating 1 2 * | 600 w (A.E.S.) |
| Sensitivity (1W/ 1m) * | 98 dB |
| Frequency Range | 40 Hz - 3.5 kHz |
| Resonance | 37.28 Hz |
| Voice Coil Winding Depth | 19 mm / 0.75" |
| Recommended Enclosure Volume | 100 - 350 Litres |
| Flux Density | 1.2 Tesla |
| Magnet Material | Neodymium |
| Magnet Gap Depth | 11 mm / 0.43" |
| Former Material | Glass Fibre |
| Dust Dome Material | Paper |
| Voice Coil Material | Copper |
| Cone Material | Paper |
| Suspension Material | Dual Fabric |
| Surround Material | Fabric |
Thiele Small Parameters
| Fs | 37.28 Hz |
| Re | 5.62 Ω |
| Qms | 19.25 |
| Qes | 0.26 |
| Qts | 0.26 |
| Le (@ 1 kHz) | 1.36 mh |
| Vas | 211.29 litres |
| Mms | 164.25 g |
| Sd | 1164.16 cm2 |
| Cms | 111 µm/N |
| BL | 28.59 T/m |
| Xmax | 6 mm |
| Vd | 0.68 litres |
| Ref. Efficiency | 3.29% |
| EBP | 143.38 Hz |
Dimensions & Mounting
| Overall Diameter | 474 mm |
| Width Across Flats | 458 mm |
| Flange Height | 13 mm |
| Depth (Excl. Flange) | 172 mm |
| Magnet Diameter | 182 mm |
| Chassis Shoulder Diameter | 415 mm |
| Outer Bolt Circle | 6 * M8 on 456mm PCD |
| Inner Bolt Circle | N/A |
Shipping Information
| Nett Weight | 8.5 Kg / 18.74 lb. |
| Shipping Weight | 9.75 Kg / 21.49 lb. |
Notes
*1 Power compression is the reduction of sensitivity at the specified power. Higher power ratings do not necessarily give a proportionate increase in SPL therefore the maximum SPL of the driver may significantly exceed that of other manufacturers with high power ratings.
1. AES Standard (40 to 400 Hz) Program 1200 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 600 Watt preconditioning period.
Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system.
1. AES Standard (40 to 400 Hz) Program 1200 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 600 Watt preconditioning period.
Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system.
Frequency Response & Impedance
What people are saying about the PDN.18SB40
Please take a moment to share your feedback with us. We love to hear your success stories and comments about our products. It can really help us, and other PD customers, on our continuing mission of creating better sound.
Reviews