Seasonal Special on the SDX10!!
Given the Chinese New Year, a major sporting event (not allowed to use the word) and Valentine's Day we're running a time or quantity limited special on the SDX10 at $129 plus shipping.
New Subwoofer Kit - TRIO12/APR15/BASH500
Since we are currently out of stock on the APR12 we have put together a new kit using the TRIO12 and a single 15" APR15 along with the standard BASH500 amp.
Trio12 APR15 Subwoofer Kit US $359, C $379 plus shipping and applicable taxes.
New Product: DSPeaker Anti-Mode 8033 Automatic Subwoofer Equalizer
This well received product from Finland is now available either stand alone or bundled with CSS subwoofers or subwoofer kits.
Anti-Mode 8033 Standalone US $ 350, C $380 including shipping, bundled US $250, C $ 275.
Special Price on the Quartet10 subwoofer kit!
For a limited time we are offering the Quartet10 Subwoofer Kit for US $299, C$ 319 plus shipping. This includes the SDX10 driver, 2 APR10 passives, the modified BASH300, a set of cabinet feet and mounting hardware.
 Announcing the new TRIO12!
This new sub driver is designed to partner with a pair of the APR12 passives but these are curently out of stock. Shortly we will publish a new design using this driver with 1 APR 15 at $359. Shipping and applicable taxes (for Canadians) are extra.
Specification Sheet
TRIO12 single sub driver US$139, C$144
Follow a build on HTS - Looks good Norm! Thanks
Documentation Downloads
Please note the new heading "Downloads" which will become the central place for all driver and cabinet design documentation.
Special pricing on Quartet 15 Kit Continues as stock on the SDX15 is low.
This is available for US $700 or C $740 including ground shipping.
THE EL70 has arrived!!
We can now accept orders for the EL70 and we recommend that you consider the range of kits we are making available.
New Product: UltraTouch Insulation
4 sq ft of acoustic insulation from recycled blue jeans. US $9, C$ 10 plus shipping
Check out the new CSS forum on Home Theater Shack. Thanks Mike P for your support and bringing all the relevant threads together.
There's also a new CSS forum on the Manufacturers section of DIYAudio
Checkout the new Unhorn Subwoofer on DIY AUDIO. This uses 2 SDX7 drivers in a compact enclosure. Mark is considering offering cabinets in a number of different formats so check the blog above for his email address.
New Subwoofer Kits! From US $279, C$ 309
 We now have our new subwoofer kits available. These feature one or two of our APR passive radiators, and a choice of CSS drivers, initially with the SDX7, TRIO8 or SDX10, a 300 watt amp, mounting hardware and cabinet feet.
Creative ported SDX10 build on Home Theater Shack.
New SDX10 build on DIYAUDIO. Thanks Sam.
Another APR10 build with Joshua. Thanks
Adjustable Passive Radiators in Stock!
 Our new patent-pending Adjustable Passive Radiators the APRTM 10, 12 and 15 have arrived. APR PDF APR10 US $55, C$65; the APR12 US $67, C $79; APR15 US $80, C$95. All plus shipping and applicable taxes for Canadians.
Checkout Jeff Bagby's new software and instructions on using the APRs. Thanks Jeff.
New Product TRIO 8
 The TRIO8 is a shallow (90 mm) depth high excursion XBL woofer with a kevlar reinforced paper cone, high power 2" copper voice coil, triple aluminium shorting rings and large diameter spider. The TRIO name was chosen because this woofer is the first in a series that work well with 2 of the APR passive radiators. The TRIO8 with 2 APR10s will work well in an enclosure as small as 1 cu ft (28 litres) in volume. TRIO8 PDF TRIO8 is US $80, C$95
Review of the Occam MTM4 speaker kit
This review has just been published in the current edition of Enjoy The Music's DIY Magazine. Thank you Jeff Poth.
New Products from Mark Audio!
The Alpair 5 series of 2" wide range speakers. Two different cone versions are available; Alpair 5 gun metal grey and Alpair 5 copper gold. The latter complements the CSS phase plugs found on the FR/WR and SDX7 drivers. Now US$120, C$144 per pair.
Alpair 6CIR US$70, C$84 Alpair 6RECT US$70, C$84, Alpair 10 US$129, C$155.
See the Mark Audio website for more details.
New Occam Finshed Speakers
 We have a new finished Occam loudspeaker FR4FIN using the CSS FR125SR. Options will include a basic black painted finish as well as standard and exotic veneers via special orders. $333 a pair including shipping.
New Meniscus Audio website
Congratulations to Mark and Chad in getting their new website up and running! I know it took longer than expected but you persevered.
Occam Audio Products - New Expanded Range
Latest kits and finished speakers MT27KITA, MT27KITB, and the MT27FIN.
Recent additions are the 2 sub series with the SDX10, the MT 27 which uses the new Mark Audio Alpair 5 and the SDX7 in a great 2 way and the SuperSpires Reference with the CSS RT1 ribbon tweeter and 9 WR125STs.
We also have a few demo units from the VSAC show available at a discount. Please email.
CSS is distributing Occam Audio's line of kits and finished speakers. Our database shows that these are not in inventory which is a little deceptive in that the speakers used are clearly in inventory. There will be a short lead time to get the remaining parts into Canada so please be patient or email for specific lead times. Fully finished speakers aren't completed till they are ordered.
SDX15 In Stock!
Data sheet (PDF) Sealed cabinet plans (PDF)
New designs on AVS Forum; thanks Patrick! SDX "powered" bar; thanks Kevin!
Also large EBS builds on AVS Forum and Home Theater Shack; thanks Arthur!
Latest new products: The CSS ribbon tweeters!
CSS is pleased to announce our first pure ribbon tweeters, the RT1 and the LAR1. Based on our long term relationship with Aurum Cantus we have had thse custom units built for us. Both use the new honeycomb aluminium diaphragm which is more robust and has lower distortion than the earlier corrugated elements.
Introducing the SDX10.
The new SDX10 expands CSS’s line of XBL2 TM SubDuction subwoofers and is targeted at smaller cabinet installations.
· Lightweight paper and carbon fibre blend pressed and surface treated cone
· CONEX 180mm flat attach semi-progressive spider
· NBR 30mm roll surround
· Low distortion patented XBL2TM motor topology with split aluminium former, aluminium and copper shorting rings
· 6 layer 4 ohm 2.39” (60.6mm) voice coil with copper clad aluminium wire
· Flat BL curve with less than 2.5% THD at 1” (25.4mm) peak to peak excursion
Target Parameters
Fs 26 Hz, Qes 0.47, Qms 4, Qts 0.42, Vas 53 l, Re 3.5 ohms, Xmax 18.4mm, Sd 300 sq cm, Le 1.42 mH, BL 11.8 Tm, Mms 112 g, Pe 300 watts
Cabinet Suggestions
Sealed: Qtc 0.7 24 litres net, 16 oz of polyfill
Ported: 43 litres net, 3” flared port 17” long tuned to 24.5Hz, 16 oz polyfill
FR125SR
The standard FR125SR is now RoHS compliant and has an upgraded basket. The new data sheet is available.
New design for FR125SR and the SDX7
On DIYAUDIO, thanks Tim.
3 way design with SDX7, FR125SR and Vifa DX25 tweeter on DIYAUDIO, thanks Dan.
New Product Announcements
The SDX7 woofer is now available. Designed as a replacement for the Extremis 6.8 in 3 way designs as well as being suitable for small sub duty, it has a carbon fibre cone and WR/FR matching copper phase plug. US$ 100, C$110 plus shipping.
Datasheet Sealed plans Vented plans
Parameters: Fs 34Hz, Qms 2.2, Vas 23.77 litres, Xmax 11.1 mm, SD 127.5 sq cm, Qes .41, Qts .35 Re 6.4 ohms, Le .75 mH, Z 8 ohms, Pe 100 watts.
 The 18" passive radiators (also known as Auxillary Bass Radiators) are now avalable. There are 2 models, the PR1821 and the PR1816 and they are US $109, C $109 and US $100, C $100 plus shipping.
Datasheet
Parameters:
PR1816 PR1821
Fs: 4.2hz 3.651
Qms: 67.62 67.72
Vas: 1840L 1840 L
Mms: 1600g 2100g
Cms: .9mm/N .9mm/N
Sd: 1200 sqcm 1200 sqcm
Xmax 3" P-P 3" P-P
Announcing the SDX15 Subwoofer!
New tests performed in Finland published in Home Theater Shack.
Craig Chase in Erie, PA has 2 sealed cabinets each holding 2 SDX15. He has compared one of these (with appropriate power and EQ) to a number of commercial units. See his ranking of the dual SDX15.
Forum discussions currently underway Home Theater Shack and AVS Forum.
Frequency response posted on AVS Forum.
First review of the SDX15.
The HTS discussion also includes mention of the SD12, including a new BVR design. Thanks Dave!
 The next subwoofer in the Subduction series, the SDX15 is now in stock.
This is the first high excursion Subduction driver using a 3" XBL2TM motor with dual 2 ohm voice coils.
- fiberglass/nomex woven cone with NBR surround
- high power, low inductance design, 4 layer 3" copper voice coil and copper shorting ring inside the magnet
- forged and machined T-yoke and top plate with larger radiused pole vent for low aerodynamic noise
- high excursion spider with integrated lead wire
- attractive cast aluminum basket design with cast aluminum trim ring
- long Xmax and a "bottomless" basket design
Parameters (after break-in)
Re: 3.6 (1.8 ohms per coil), Le:1.8, Fs: 19.2, Qms: 3.65, Qes: 0.44, Qts: 0.39, Vas: 218.44, Cms: 0.25, SD: 790, Xmax 30mm, Xmech 40mm, BL: 16.5, Mms: 274.8, SPL: 87.3, 1000 RMS watt power rated.
At this point we are recommending a 4 cu ft (114 l) sealed enclosure with the LT1300 plate amp. Driver cutout ie 13 15/16" (354 mm) and the frame is 15 5/16" (388mm) wide. A double 3/4" (19mm) mounting wall is recommended to flush mount the driver.
Additional Alignments
Recommended sealed enclosure:
Car audio - 2.5 cubic feet sealed and fully stuffed.
Home audio - Mid Q (Q.707) – 3.4 cubic feet fully stuffed, Low Q (Q.577) – 6.5 cubic feet fully stuffed
Recommended ported enclosures
HT - 5 cubic feet 20 Hz tune, 2 4” flared vents 28.5” long. or 1 6” vent 31 long, Line walls with stuffing
EBS - 8 cubic feet tuned to 18 Hz, 2 4” flared vents 27.5” long, 1 6” vent 30” long, Line walls with stuffing
Car Audio - 4 cubic feet tuned to 25 Hz, 2 4” vents 20” long, Line walls with stuffing
New FR125S design from Mad About Sound
Check it out ! FR125S in 9 litre ported box. Congratulations Vikash! Discussion on DIY Audio
FYI: If you have specific questions regarding shipping costs for multiple items please don't hesitate to email using the form on the contact page.
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