Order quantity 2 if building this design. Sheet of foam insulation. 5 dB/2. DS1200 | 12" sub driver. The L26RO4Y subwoofer. 828 volts/m. 1. Upper Midrange Drivers: Seas L26ROY 10" Powered Subwoofer Kit. The miniDSP Flex Eight (purchase directly through miniDSP) provides Open Baffle Subwoofer Flat Pack for 10" Subwoofer (LXsub/LXmini+2) - EACH. Capital Audio Fest . Scan-Speak Discovery 30W 12" Subwoofer Kit with Passive Radiator. 5" paper cone woofers. Open baffles are the first speakers i've heard that reproduced double bass as it should sound. Available in 8 and 15 inches (the only 15 inch full range speakers ever made). Dipole loudspeaker design for true to the original sound reproduction with minimal room interaction. e. Open baffle speakers Oct 21, 2016 · Project Time: 1-8 Hours. We also offer the Seas LX521 drivers, and LX521. My goal is flat, clean, dynamic, high WAF. Can be sealed or reflex or if you want to keep OB, try a SLOB (slot loaded open baffle). Speaker Power Amplifier of your choice. This model excels in all areas from top to bottom, and can compete with or be compared with any speaker at any price point. Used in the SB Audience OB3 Open Baffle 3-Way Speaker Kit. Listening. SB Audience Bianco-15OB350 15" Open Baffle Woofer. I placed the Frugel-Horn Mk3 in the same location as my current reference speakers, Martin Logan Vista Electrostatics. an open baffle woofer does better with high efficiency, higher power, proper placement and a driver with a low Fs (free air resonance frequency). $1,200 for the drivers and servo amp plus about $900 for the knockdown kit. The NX-Otica is a pinnacle of open baffle loudspeaker designs. so many use additional woofers or separate, conventional subs to get the bass. Embrace the allure of untreated beech multiplex and MDF construction, ensuring the speakers exude both durability and refined aesthetics. I am now offering my custom built open baffle loudspeakers to the public. They are light in weight with rear mounted handles, making Nov 4, 2019 · To my ears, “done right” describes the Pure Audio Project’s Quintet15 Horn1 Modular Open Baffle Loudspeakers ($9995) I auditioned at CAF. This was mounted to a modular open baffle, known as ‘Trio15TB’ and attacted my attention. I was really impressed by all effects of open baffles almost 10 years ago, then built my own speakers, really love'em and still use it daily, even for my job - music production / sound engineering. Recommended Enclosure: 2. DIY Loudspeaker Project Pad H-Frame dual 15" project by Javad Shadzi here. 4 Linkwitz Lab ASP. We have found the Goldwood GW-1858 to be a cost effective and solid performing open baffle woofer. This woofer features a 2" voice coil on a Dec 5, 2012 · 2012-12-05 7:26 pm. Since λ = 2r we get the final equation f = v/2r. Fully assembled and tested 4-way ASP. $707. ( 1 customer review) $ 970. It is a 3-way, 4-driver per channel, loudspeaker that combines the LXmini with the dipole subwoofers of the LX521. cancellation and reinforcement effects between direct and reflected sound. Monacor KATANA-M1 DIY speaker kit. All the tools for installation Tweeks. Apr 12, 2022 · Add a helper woofer below 120Hz. The recess diameter of DS1500 is 15-7/16". 4MG Open Baffle Loudspeaker System Specifications. com. I'll be giving my router and circle jig a workout for sure. Questions and general support are available either through Caintuck Audio, or Decware! We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. (1) $98. June 2006 VISATON NoBox BB Loudspeaker Kit Thinking Outside The box! Review By Dick Olsher Click here to e-mail reviewer Under review is an open baffle (OB) loudspeaker kit from VISATON, a German firm with 30 years of experience in the fields of acoustics and loudspeaker technology, and probably the largest and most important speaker kit player in the international Do-It-Yourself (DIY) arena Our Open Baffle Subwoofers use Direct Servo Technology and offer the quickest, cleanest bass that money can buy. The LXstudio is a DIY kit offering by world renowned loudspeaker designer Siegfried Linkwitz. Zaph|Audio SR71 Kit - Pair. QUESTIONS? Looking for fast easy answers? Need help accessing our website? Call: (608) 831-3433 Email: [email protected] ©2022 Madisound Speaker Components, Inc. 00 – $ 1,370. Caintuck Audio Loudspeakers (859) 620-7274. This project is to build a full-range, open-baffle, reference speaker for use in small to large rooms (I move a lot). Sep 1, 2021 · Very complete kit to build a nice little Open Baffle Speaker project, just add the plywood (enclosure drawing included) and you're ready to go. 10 - 10,000. The full range driver goal should be ~87. Sale! Eminence Alpha-15A. Design: Active, 4-way open baffle/dipole loudspeakers with 10 channels of amplification. Plots of driver mounted low on baffle, in proximity to floor, showing. Points of crossover 180 Hz (6-12dB) and 2 kHz (24 dB). With the speaker that I posted above, there is no real need as long as a high-ish Qts speaker is selected. This is a silicone rubber-based baffle designed for many different speaker sizes. The series tweeter circuit utilizes ClarityCap PUR capacitor and Mundorf CopperConnect resistors. 5 cubic feet with 3" diameter vent by 12" long for an F3 of 28 to 27Hz. Cutting the polystyrene is quite easy with a handsaw or jigsaw. 828 volt/m for this size baffle. Many stereo amps have a subwoofer output but neglect to high-pass the speakers, leading to increased distortion. - 6. OPEN BAFFLE FOR ALTEC 604. 25″, 6″ x 8″, 6″ x 9″ and an 8″ version of this speaker baffle, made for different speaker sizes. NVX has a 6. 5 out of 5 stars 58 NX-Otica Kit (Pair) $ 3,069. You are within X-max at 200 watts. John is a true asset to the DIY speaker building community, and we are very pleased to offer you an easy to build kit based on his expertise. However, the roll-off is very gentle and the bass will only be 6dB down at 85Hz. They were built for vintage Altec 604’s. Halcyon - Markaudio + SB Acoustics Full Range w/ Bass Assist Tower - Pair High quality birch flat packs are now available for this kit through Speaker Hardware. The Halcyon is a very unique 2-way/3-driver design featuring the Markaudio Alpair 10P 6" paper cone full range & two SB Acoustics SB17NRX2C35-8 6. 2) Then the SPL distribution at 90Hz where the speaker shows dipole behavior. Packaging of the ORION. Also, to Parts Express Feb 11, 2020 · It’s also worth mentioning that the larger the baffle plate that open-baffle drivers are mounted on, the lower their bass response will go. May 29, 2020 · In reality, to get a phase inversion by adding a baffle, the size of the board would need to be around 3. Eike Linkwitz. The frame/baffle, and 2nd Order crossover are unique to the Duet 15, while the high-end drivers have been used in other PAP models. Empty spaces are filled with packing material. Suitable for bass reflex, open baffle, bass horn, and transmission line cabinets. 2 650,0 kr 1 995,0 kr. 7 - opinions vary) and substantial excursion capability (high Xmax). 5" wide x 13. Featuring the Neo 3 tweeter in an open baffle configuration, the NX-Studio will offer life like imaging and precision like you have never experienced before. g. This converts to 94. 75%. The NVX XBAF65 Foldable Silicone Speaker Baffle (on Amazon) is one of the most sought-after speaker baffles you can find. Feb 18, 2015 · I'm going to call tham OBLA-33 due to the number of drivers on each baffle. High-Frequency Drivers: Two SEAS 27TFF C/G 1-inch textile dome tweeters (one front, one back). 4" deep + recline. Pricing. In addition, the impedance curve of the speaker presents itself as a light resistive load at high Mar 7, 2022 · Finally, the dimensions of these speakers is 104 cm H, 46 cm W, and 46 cm D. We sell raw speaker drivers (tweeters, woofers, subwoofer, midrange drivers, full range drivers), speaker kits, amplifiers, capacitors, resistors, and inductors May 13, 2019 · The big challenge with open baffle subs is getting them to produce the lowest octave with real authority. avanti1960, May 12, 2019. Since 2003 Tweek Geek has been creating unforgettable listening experiences for our customers, one at a time. Liionidas Extreme is reinforced Liionidas open baffle design with upgrades in design, material and finishing. 3 versions. This loudspeaker is hand-built in the USA by Caintuck Audio Loudspeakers and comes with a one year warranty! Warranty is handled directly through Caintuck Audio. Nov 8, 2023 · The subwoofer is still providing smooth frequency response, and we see an increase in distortion to 2, 3, 4 and 5% at the same 60-, 50-, 40- and 30-hertz frequencies. It has established itself as a top choice among our most discerning customers. Open baffle speakers don't generate a lot of bass and usually roll off below 63 hz. 5 dB from 35-20,000 Hz. Each batch is random sample tested for consistency and performance by Zaph Audio. The LX521 cabinets are locally cut by CNC machine from high quality 13 layer . Jantzen Audio Sp. 4 Linkwitz® Lab ASP. 3FLARE 3" Flared Port Tube Kit. Detailed information about this system Jan 3, 2023 · You can check by taking a couple of measurements at different elevations, keeping the elevation of the woofer center and microphone the same each time. Feb 15, 2023 · Brazilian Cherry with book matched baffle panels. Based in Israel, what appeared to be a one-man show had put together a kit speaker that uses the ultra-affordable Eminence Alpha-15A drivers, combined with a Tang Band 8” full range driver. T-H version made to order with about a 1 week lead time. It contains the plans for both the +2 and We sell the highest quality high efficiency DIY full range speaker kits projects (with no crossover) from Audio Nirvana and Lowther. Key Features. 5-way Speaker Drivers - Pair. Scan-Speak Ellipticor A50 3. The simulations take place in the free field (4pi room). Finally! A reference grade studio monitor from GR-Research. A single, dual, or multi sub setup with these is a good choice for integration with other speaker systems as well. 5″, 5. Developed in cooperation with Linkwitz Laboratories in Corte Medera, California, the L26RO4Y saw its first application in the highly acclaimed Linkwitz ORION open Volume Pricing. SMD version in stock. To order the Kit 1: Click Here. This puts the front baffle 40†from the wall, with the left speaker 12′ from a side wall, the right speaker 8′ from a side wall, and both roughly 11′ from my listening Oct 7, 2021 · Designed by Ze'ev Schilk, and industrial designer Omri Gino; the Duet 15 Prelude is a two-way open baffle loudspeaker featuring an 8" full range driver, and 15" woofer. 3) The SPL distribution at 150Hz shows the fundamental resonance of the speaker cabinet. With that said, any subwoofer or speaker can be Jan 14, 2022 · My understanding is it boils down to this: the driver playing bass should be as large as allowable (high Sd), have a high Qts (>0. For a baffle of radius 1. Sale! Open baffle rolls off early, so you want to counter that with EQ, most likely a Linkwitz Transform. Using the Faital 15PR400 I added a 1 Ohm resistor in front of the bass crossover in order to tune to my room conditions. As a result of that, the Qts value of these drivers was higher than a sub designed for a small enclosure. Assembled Crossover Information. Trying to get bass from a subwoofer and have it blend flawlessly with the driver in the open baffle is… complicated. Design Goals: Concept was to create a simple but nice sounding speaker using budget drivers that I spotted in P-E’s “factory buyout” section. Zaph Audio ZA14W08 5" Aluminum Cone Woofer. The best drivers, best enclosures, and best Dec 8, 2011 · The Frugel-Horn Mk3 Speaker In Use. Kit includes SEAS L26ROY 10" Aluminum Cone Woofer + SPEAKER POWER SP1-300 subwoofer amplifier + Accessories Package, all with a 10% discount. Oct 31, 2020 · Somewhat daydreaming but I stumbled across GR-Research and this looked interesting albeit expensive. We decide to offer a turnkey Hframe for Dannys kit after realizing whats involved Includes driver/s and amplifier. Open Baffle Speaker Kits DIY Loudspeaker Kits for Speaker Builders Madisound offers a wide selection of do-it-yourself loudspeaker kits for nearly all high-fidelity applications. I have had a period when I built numerous active crossovers, always preffered simple transistor based one over the OPA based. You are here: Home » Complete kits for DIY speaker projects » Open Baffle Speakers. All parts are brand new, never used, just open to take picture. agreed. SPATIAL Europe by MachOne-classics Lautsprecher Manufaktur. Made from t9 particle board, with an internal volume of 1L and a tuning frequency of 134HZ. Once placed in a suitably open baffle the Goldwood GW Dec 14, 2016 · Otherwise, the ~94db Trio 15 is supposed to go down to 32Hz. 6 cu ft sealed box. Trio15TB, Open Baffle Speakers - PureAudioProject Or 36Hz Trio15TB, Open Baffle Speakers - PureAudioProject But then if that 2A3 amp was driving those at the show maybe he deliberately avoided recordings with any respectably low end. Existing LXmini owners wishing to build the +2 or studio subs, select the LXsub option. Included in the kit: SB34SWNRX-S75-6 12" Active Subwoofer. 5” voice coil. Frequency response and distortion measurements for the Oz Audio 250H-D6 at a 1-watt, 4-ohm equivalent drive level. o. 4 meters all around the speaker to have the desired effect at 100 Hz or 70 cm at 500 Hz Nov 11, 2022 · www. A Pair of Silver-10 and W-15. Design and consultation in electro-acoustics. I am getting bass down to 43Hz (F3) and 90dB sensitivity. In the measurement closest to the floor, just put the mic on the floor with the mic tip touching the floor. Available are several versions of the low profile "barrel" shaped speakers. The combination of open baffle and servo control changes everything. 00 – $ 3,840. Jul 26, 2019 · RECOIL Foldable Silicone 6. com Feb 12, 2022 · Budget Open Baffle Speaker BuildBig Shout outs to: Nick at Toids DIY Audio and Danny at GR Research for all the great helpful videos. You are here: Home » Complete kits for DIY speaker projects » Open Baffle Speakers Jantzen Audio Sp. This open baffle was built from double thick (36mm) Baltic Birch Plywood. This kit includes parts to build a single speaker: a pre-cut front baffle, drivers, crossover components, and damping material. Now cut each piece so that it is just over 18 inches 460mm) wide. Even I use the best OPA I could efford, I Open baffle speakers, kits and drivers suitable for open baffle projects. 8 cu ft sealed box. single 1. Many tube amps SB Audience Bianco 120B150- 12" Open Baffle Woofer. Used as the +2 subwoofer option for the LXmini speaker kit , and cut for the Seas L26RO4Y. At SB we believe in the importance of subjective listening during the development process to complement the advanced FEM stimulation . This comprehensive kit features an open baffle design, a hallmark of exceptional sound reproduction, enabling a natural and immersive listening experience. Sale! monacor KATANA-M1. Z o. Since its introduction in 2009, we have sold thousands of ZA14 woofers. The kit includes: -2x Full range 12'' driver 'Hammer Dynamic', 8 ohms. Inserting an L-Pad circuit into the crossover makes more efficient full range drivers fit the recipe. The standard dimensions of the speakers are 22 1/2" high and 18" wide - the base is rear mounted and 12" deep. Visit the Linkwitz Lab website for full descriptions of each design. Maybe the 132+ solder connections will be the most fun. 00 – $ 5,178. This is because DS1500 doesn't have a rubber mounting gasket. Pure Audio Project offers a range of tall, structurally solid, open-baffle speakers with a user-selectable choice of single “main drivers” mounted in bass-mid-bass arrays with groups of 15” woofers. Description Product Reviews. This provides a full, rich sound that you’ll want to hear over and over again. The woofer has a thick stamped frame, double half roll surround, and a set of T/S parameters that make it perfect for an open baffle speaker. All of the critical aspects of high-end loudspeaker design and manufacturing have finally been combined into the ultimate DIY kit-building experience. Due to supply issues, we no longer have Miflex or Gen 3 Sonicap bypass caps available. To make the 'skin', start by cutting the 50mm thick sheet of polystyrene in half so that each piece is about four feet (1200mm) long. 0 = 170Hz. Jan 15, 2024 · Linkwitz LX521. Remarkably flat response, ±2. Project Description: This project is called the Coley OB15 Open Baffle Speaker. NX-Studio Kit (Pair) Rated 5. This open design allows sound to radiate both forwards May 8, 2024 · 2024-05-08 6:18 pm. 5 cm thick. Mar 31, 2018 · The Goldwood GW-1858 is an 18" (457 mm) diameter woofer with a nominal impedance of about 6 ohms. Each crossover is professionally assembled by Madisound on our silver tinned inlaid OFC copper circuit boards. Our approach is to work with each customer to create a system that engages the heart and soul. 00. Seas Loki MKIV Active Coaxial Kit - Pair. The Amiga has a detailed yet relaxed sound with surprising low frequency extension. Choose from 5 high performance kits. Speaker & Subwoofer Kits. The ZA-SR71 is designed for Madisound by John Krutke of Zaph Audio. 10% off. A single 10" or 12" certainly is possible, but you'll open-up choices if you go with a 15" or 18" bass driver and cross-over to pretty much any Open Baffle. This is the last version of the LX521 design before Siegfried left this earth. The open end is closed off with another disk and square plate. PL9271003050 - TEL: +48 6838 22303 - E-mail: contact@jantzen-audio. For the 15" plans, customers may choose to replace the outer baffle with a 1/2" MDF sheet to flush mount the driver. CNC cut MDF front baffle, you just build the enclosure. Oct 7, 2016 · In 2014, I stumbled across a start-up that caught my eye. The Seas L26ROY is widely considered one of the most musical and dynamic woofer/ subwoofers available. dual driver 3. Dec 23, 2019 · Using the wave equation f = v/λ we can calculate the roll-off frequency for any baffle radius. LX521. This is 6. The P650E enclosures are designed for the P650K speakers; a good entry level enclosure for the speaker building hobbyist that offer a factory pre-installed speaker terminal 10 - 10,000. 5 dB below the woofer’s value. The track record of this driver is outstanding in regards to reliabliity and tolerance, both Design and consultation in electro-acoustics. It is a full range speaker with a manageable baffle size and integral electronic compensation for baffle losses. . LXsub $40. Anyone have any experience with these? Open baffle subwoofer with servo amps, hmmm. #2. Project Description: Self-powered line-source array. Fundamental concepts of sound reproduction in rooms. Support. His kits are good options for beginners, and some of his higher end open baffle kits do include a flat pack as an option. LXmini+2/LXstudio $125. Driver Selection: YDT0420-4BP full-range 16-ohm (described as flat-screen television drivers). open baffle / infinite baffle. Nov 17, 2022 · 1) The first image is a sketch of the lateral cut of the speaker. It is a two-way design that has been updated to use paper and polypropylene cones with a silk dome tweeter. Madisound is excited to offer easy to assemble flat pack cabinets for this speaker kit. We guarantee a performance level with the NX-Treme that will beat or compete with anything at any price point. 4" tall x 7. OB or dipole tops have a great natural sound and can be quite amazing. It is a rather large baffle (35"X31"), and the driver is centred only 13. Free support for loudspeaker projects, sourcing OEM speaker building supplies, and passive crossover design. Feb 8, 2009 · I think it can be difficult to get acceptable bass from an OB speaker. We sell raw speaker drivers (tweeters, woofers, subwoofer, midrange drivers, full range drivers), speaker kits, amplifiers, capacitors, resistors, and Design by Seas 10" Subwoofer L26RO4Y (XM004-04S) Now with new basket design! This woofer is used in the the famous Linkwitz LX521 open baffle 4-way system. Trying to fill a mid bass hole with a second woofer is… complicated. It makes a huge difference for the overall balance. A majority of proceeds from Madisound LX plan sales go to Mrs. #8. 5” Car Speaker Baffle Kits with Egg Crate Foam and Sound Damping Speaker Kit Two 10” x 10” Pieces, for Sound Quality Improvement and Speaker Protection, One Pair 4. The NX-Treme is the top dog of the NX series models. Jul 27, 2020 · I know Danny can be a bit polarizing, but I built his AV/3 towers about 15 years ago as my first DIY project and I still think they sound darn good today. Distortion at 80 Hz is up to 0. Please visit the Linkwitz Lab website for more detailed information. Subwoofer drivers. 4 for for the LX521 Open Baffle Speaker. 00 out of 5 based on customer rating. As you move both towards the floor this dip should go away. The baffle is 2. The Eminence Alpha 15A woofer is measured to be 92. Price: from $769. 72” Baltic Birch. The sound from the back of the open baffle speaker is free to reflect off rear walls and join the sound from the front of the speaker. At any frequency lower than the baffle plate diameter, the bass response of an open-baffle speaker rolls off at 6dB per octave and must be compensated for with equalization (placing great demands on both the amplifier and the bass driver). Here we receive, build and critique Danny Ritchies GR open baffle sub kit. The Goldwood woofer has a high Q ts and thus works very well with open baffle speaker designs. Apr 30, 2021 · 1-8 Hours. 0 dB/2. Open baffles are built from 18mm Baltic Birch Plywood and can be built for most drivers. Detailed design information for DIY construction of a subwoofer and an open-baffle speaker with exceptional fidelity. Add to Cart. Heavy moving masses are no longer needed as the servo control system extends the lower ranges and maintains a linear response by comparing cone movement to the input signal and making adjustments as needed. We sell raw speaker drivers (tweeters, woofers, subwoofer, midrange drivers, full range drivers), speaker kits, amplifiers, capacitors, resistors, and inductors. The crossovers for this speaker is 180 Hz bass/mid and 700 Hz mid/tweeter. Basics 3-way open baffle speaker from 15 inch bass, 8 inch midrange and 34 mm dome tweeter with waveguide. 2 050,0 kr – 3 945,0 kr. Managing your room modes is another huge benefit, plus you can high-pass your speakers. 0m and taking the velocity of sound as 340m/s we get a roll-off frequency of 340/2. Project Cost: Under $100. Each speaker sits on a circular disk/square plate and is wrapped in bubble pack. 5cm Full Range Speakers. 8 to 3. 5" off of the floor. There is no other subwoofer system that will give you this level of control and customization. First the woofer… The SB Audience Bianco 15OB350 is a 15” woofer with a 2. A pair of Liionidas Crossover intergrated in metal spine. Think of the baffle as the 'skin' of this speaker. Heavy Metal base with Spikes. Kansupi DIY Kit 1. 5 dB/watt/m. (2) $987. 4 $120. $10,530. 0 F6. Fulrange can easily handle down to 160Hz. 4 Analog Signal Processor this kit. This set contains: Open baffles made with marine wood and high reflex lacquer. - Wilkowo 62 - PL-66-200 Swiebodzin - Tax Nr. Thus, for a bass reflex or closed box speaker we normally look for an Fs of 30Hz or lower to achieve a system resonance, once the driver is in the box, of below 60Hz. Sep 14, 2022 · Classically, these subwoofers designed for infinite baffle applications had a stiffer-than-normal suspension that helped to control cone motion without the added compliance of an enclosure. #1. One of these drivers is an obvious choice for an open baffle speaker…the other two aren’t. While the bass 'enclosure' is a 46 cm cube, the width of the front baffle narrows from 46 cm wide and to a 23 cm width at the top of the baffle. linkwitzlab. So the lower range can play flat to 20Hz and hit -3db levels in the teens. Our Open Baffle Subwoofers use Direct Servo Technology and offer the quickest, cleanest bass that money can buy. Dayton Audio offers a completely new level of quality previously unavailable in commercially available loudspeaker kits. OP. 80. 4 Analog Signal Processor. I normally select 160-170 Hz as crossover point for open baffle with subwooferthat would be my suggestion. The tweeter sub-baffles are hand cut from 1/8” Baltic Feb 8, 2024 · Product details. -2x Super Tweeter 'Big-Air Acoustics', 8 ohms. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services. In an open baffle speaker, the driver (the actual loudspeaker component) is mounted on a flat panel or baffle without an enclosed back or sides. From $295/pair with free shipping. Open Baffle Speakers. I have owned and enjoyed full-range speakers before (Omega Super Alnico XRS) but only listened to open baffle (Lii Song Leonidis, dipole panels). This resistor follows the kit. The best open baffle speaker that falls within the $500-$1000 price range is the ELAC Debut 2. Trying to get the same imaging from a 15 as you would an 8 inch driver is… complicated. LXmini $85. High End Open-Baffle Speakers made in Ingolstadt Bavaria. The material I'm using for the baffles are maple work surfaces measuring 1 1/2" thick x 2' x 8' long. Cabinet Dimensions: 15. Notice: Due to supply issues, we no longer have Miflex or Gen 3 Sonicap bypass caps available for the tweeter circuit. Mar 29, 2022 · Best Open Baffle Speaker $500-$1000. The imposing 15" OB-A15Neo woofer ( HERE What is Caladan? “Caladan” is an open baffle type of speaker enclosure design that differs from traditional closed or ported speaker cabinets. NX-Treme Kit (Pair) $ 4,375. Our current model 15" driver (DS1500 is slightly larger) and the plans have been updated to reflect this change. A cylindrical construction forming tube slides over the speaker. Audiophile performance at an affordable price! This kit package combines the Scan-speak 26W/8861T Paper Cone Revelator Woofer and the Speaker Power SP1-300 Amp! This amplifier can add up to 12 dB of boost! This robust 10" woofer was designed to provide deep and accurate bass in a small enclosure. It better come with a set of angels to personally push the drivers in and out. The Open Baffle speaker is basically just a piece of wood supported by two 'wings' to hold it upright. wj fu mo de jl yr pu kj bk hn