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SPL15.2 15" 38cm 2x4Ohm DVC Subwoofer 2000w RMS

World RRP: £256.99


Product code: SPL15.2.4

Now shipping Version 3 of this product - The SPL15.2 has undergone significant development this last year - the latest model still features 4+4 DVC operation but adds additional excursion and a host of other big changes over the outgoing model. Offering improved double spider design with awesome woven in tinsel leads, better cooling, and all machine glued construction. SPL 15.2 brings extreme, rebuildable 15 inch performance to an affordable price point. A large treated foam surround affords the cone excellent excursion with great linear stability throughout the whole stroke, combined with the new double spider to allow extremely tight cone control. This keeps the moving parts from distorting under the extreme loads expected. The basket, like the SPL12.2, is a cast aluminium multi arm design that minimises load on the rear of the cone - the low resonance and extreme rigidity further minimise distortion as the basket can not flex. The new magnets are double stacked super high density ceramic units rated at Y35 for a more active field in the air gap. The T yoke assembly at the back of the sub is “In & Out” vented – this means it has a ring of smaller cooling holes outside of the voice coil in addition to the standard large central vent inside the voice coil. This drastically reduces heat generation and unwanted compression. Absolutely ideal for general use this is a versatile woofer that will produce tremendous SPL and keep up with complex SQ passages - its the Swiss Army Knife of 15 inch woofers! Like the smaller SPL12.2 we believe that this the best subwoofer for the price that money can buy.

Technical Highlights

  • Twin spider design for more power handling
  • Recommended Box - Ported 3.5 Cubic Feet Tuned to 35Hz
  • Super High Density Double Stacked Y35 Ceramic Magnets
  • Extreme Duty Non Pressed Paper Cone & Dust-cap
  • Dual 4 Ohm 75mm BASV High Temperature Voice Coils
  • CAD Optimised Low Compression VC Cooling System
  • Cast Aluminium Basket
  • Treated Oversize Double Stitched Foam Surround
  • Extra Large Dust-cap Assists Structurally
  • Quick Release Push Terminals
  • Integrated Rubber Gasket
Technical Highlights



What's In The Box?

What's In The Box?
  • 1 x High Performance Dual Voice Coil Subwoofer

Version History

Prototype – The SPL15.2 is the bigger version of the SPL12.2, it was always designed to be such. The prototype performed its function perfectly to this end so production was undertaken. V1 – The V1 was a great success and had no issues. For information the TS for this speaker: FMS - 44.9, QMS - 9.5, Qes - 0.52, Qts - 0.49, SPL - 86.6, BL - 19.5, Sd - 855cm2, MMS - 419g, Vas - 189.37L, Xmax - 15mm, Xmech - 40mm V2 – Seeing that we could improve performance and sound quality by making the rear cooling vent on the back plate larger, we did just that. Also we increased the size of the Spider marginally by using a different spider. For information the TS for this speaker: Fs - 47.78Hz, Sd - 82.45cm2, Mmd - 403.3g, Mms - 428.7g, BL - 28.89T, Qms - 6.92, Qes - 0.84, Qts - 0.75, SPL - 88.5, Vas - 35.55L, EBP - 56.88095238 V3 - Assemblies from November 2016 revises the spider to a double design and has woven in tinsel leads, as well as machine glued construction and slightly smaller magnet diameter (200mm rather than 220). Note that there was some vesion overlap with selling V2 approximately 30 pieces of the V2 item whilst Rest Of World had V3.8 V3 - Marked as discontinued 28/11/18 after black friday sale where remaining stock was sold to export market. Product was replaced by SPL15.2S. Support ended 28/11/20.

Key Facts

Product Category Subwoofers
Version 3
Series Assault
First Added 24/10/2016
Last Modified 24/10/2019
Barcode 617529407335
Production Status Discontinued
Product Net Weight (g) (For Pairs/Sets/Major Parts) 15200
Complete Product Pack Weight (g) 17000
Warranty (Months) - Private Enjoyment Use Only 12
Sold As Single

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Speaker Data

Speaker Maximum Burst Power (Watts) (One Speaker, Using Appropriate Crossover) 4000
Speaker Power Handling RMS (Watts) (One Speaker, Using Appropriate Crossover) 2000
Continuous RMS Power (Watts) (One Speaker, Using Appropriate Crossover & 0%THD) 1500
Overall Diameter (mm) 400
Magnet Diameter (mm) (Including Magnet Protector Where Applicable) 200
Installation Cut-Out Diameter (mm) 360
Overall Depth (mm) 220
Mounting Depth (mm) 190
Front Protrusion From Mounting Plane (mm) 30
Impedance (Ohm) (Nominal) 4+4
Optimum Bass Enclosure Type Ported
Recommended Bass Enclosure Volume (CuFt) 3.5
Recommended Bass Enclosure Tuning Frequency (Hz) 35
Voice Coil External Diameter (mm) 75

Technical Parameters

Re (Ohm) 2
fs(Hz) 46.416
Mms (g) 577.022
MMd (g) 563.283
Cms(mm/N) 20.376
BL (T m) 26.078
Qms 3.561
Qes 0.495
Qts 0.435
Vas (Ltr) 199.12
n0(%) 0.389
Sd(cm2) 829.58
Levc (uH) 598.185
Md (g) 300
SPL (db/1Wm) 87.9
Xmax Both Way Total (mm) 36.33
EBP 93.769696