Voigt pipe speaker review. I gave them to a relative who eventually stopped using them and Jul 31, 2019 · Using shelf braces and constrained layer damping is using techniques that are somewhat in opposition to one another. DFVPTQWBLH. 5 tubes of clear silicone and silicone gun. Theory here, with alignment tables (assuming an Fb = Fs tuning) and Excel based calculator to go with it: Transmission Line Theory. This was a pretty weird speaker from the olden days. The Voigt pipes stand 72" tall and use Fostex FE166E drivers. Problem: The vent is WAY to large. H. Oct 20, 2022 · 4. An ML-TL or an ML-V may look like a BR but is not one. 30DCR (ohms) 2. It is highly regarded by some speaker designers, as evidenced by established manufacturers such as Castle and Cain & Cain. Plus after looking at the plans I was hooked on the INSANELY simple design. Sep 24, 2023 · The speakers will deliver magnificent performance with solid-state amps, too, especially Class-A solid-state amps. Silica sand-filled cavities – 20 lb. Jun 12, 2021 · Frugel-Horn Mk3. #119. This was something I found out while writing back and forth Sep 11, 2020 · The Voigt pipe design is also called a Tapered Quarter-Wave Pipe (TQWP), and I'm currently in the process of building a pair. Mar 22, 2011 · Thought I'd post a quick write up of my first DIY speaker project. The price for this 10kg unit is rather high due to the costs for materials (AlNiCo/cobalt) and the effort needed to create one. These Aug 27, 2010 · Looks more like a rear firing folded voigt with a horn thingie attached to it. Jan 10, 2007 · The most common Voigt pipe you will run into is the Lowther Club of Norway design which is a real dog. Martin King clearly showed that the behaviour of the air mass inside the box change from a BR behaviour when the box is close to cubic, and transitions into a 1/4 wave resonantor as one dimension increases wrt the other 2. 1K views 1 year ago. 248,71 € per 1 Item. TerryG 9 November 2012 at 10:56PM Jun 18, 2010 · Ideally then, a pipe horn such as a BIB or Voigt pipe would be designed using horn theory, but few, if any have been. It is highly regarded by some speaker designers, as evidenced by established manufacturers such as Castle. at the factory in Glengall Rd. A. Mar 27, 2020 · 581. High Q drivers with light cones and high Fr say 50-70 Hz, work but is not ideal. Part of the reason is that they sport a single driver, a sound monocle. Voigt pipe Band PA speaker. Jul 28, 2022 · Optimized for playback on high level audio systems, NOT for cell phones. It is a simple, straight … Nov 17, 2021 · Jun 11, 2022. 19mm ratchet, long socket and 19mm spanner. 75" is the entire length of the pipe, while 37. 2010-09-08 7:38 pm. That would account for the unique sounds these two cabs make. I haven't done a video of 2 yet because it didn't sound great Mar 4, 2005 · Known as a Voigt pipe, the design was created in the 1930s to reinforce the sound coming from the back of the speaker driver, helping create the illusion of deep bass. for the 2way speaker, i was thinking on a voigt pipe made out of fiberglass (for the seas W15CY), that would look something like the B&W emphasis Feb 6, 2005 · 2005-02-06 2:04 pm. Tapered quarter wavelength pipe design (TQWP) Solid wood exterior. Available immediately. May 15, 2018 · The Creative Sound Solutions 7 inch woofer is run in a 0. It's just pure Magic. I like the idea of using the bass boxes as stands for the FR. Oct 28, 2023 · About 10 years ago, we were speaker hunting, and settled on Martin Logan Ethos after being offered a healthy 25% discount. Interesting setup. It is the first “full range” driver that can handle bass loads typically delivered by 5. Whereby we emphasize the horn character in our constru. Modified Hedlund horn design. 07-09-2002 at 06:29pm. The RS 1354's required the least amount of stuffing in the line, only the part of the pipe above the RS 1354's were stuff lightly. I am much more interested in music than in hi-fi per se ;-) . I know I wanted big sound an high efficiency. Pluvia 11 – Soft Chrome/Vintage Gold (single driver) Rated 5. there's less bass than the 1354, but i kinda like it anyway. The meeting came about in a curious way. Jul 1, 2019 · Weems designed his line on the Voigt Pipe, but found having a small surface area at the narrow closed end improved performance: NeilBlanchard said: For it to be a transmission line, the drivers would have to be at the closed end, and the entire length of the transmission line would extend to the opening. Items 1 - 4 of 4. John Gilbert met Voigt. Aug 13, 2003 · 2003-08-14 2:56 am. Voigt. I. I use an active Xover to contain the 2143's to 300Hz and up. If I understand the theory correctly, the circular false baffle you find on a lot of Voigt Pipes a back horns is supposed to help with the baffle step loss and general defraction signature. The 9. My Voght Pipe Speaker Build. Oct 16, 2009 · These will be my first D. The Ingenium Silver’s are 73” tall, 10” wide by 20” deep at the bass but 8” wide by 4” deep at the top. By and large, a folded pipe is no different to an unfolded in design terms. So, looking at a different option, I started looking at Single driver DIY speakers. I need your help picking the right wood, and getting the correct The Bigger Is Better loudspeaker project began on DIYaudio. off the Old Kent Road in the London Borough of Southwark. See more ideas about diy speakers, speaker projects, speaker design. Voigt soon joined up with Cube Audio F8 Magus (pair) £ 2,679. Solid bracing is designed to stop things moving. Before beginning, it's important to start with project grease - Monster Energy and Music. It is compatible with Markaudio Pluvia 11 Jun 28, 2006 · Hi, anyone tried the Goodmans Axiom 201 in a Voigt Quarter Wave Pipe? I'm looking for a decent enclosure design for these beasties. The Abby design is a variation on the Voigt pipe or TQWT (Tapered Quarter Wave Tube) originally designed by Paul Voigt in the 1930’s. I am trying to get my head around the Voigt pipe design and have a few queries and parameters I am hoping to confirm which will hopefully be clarified by the below picture. If you want to reopen Jun 18, 2010 · Ideally then, a pipe horn such as a BIB or Voigt pipe would be designed using horn theory, but few, if any have been. 11K subscribers. It is also called the Wave Quarter. Avoid the latter like the plague, but the basic narrow top, wide bottom taper itself is fine; it just depends on how you implement it. the highs on the 1197 are pronounced and a bit "tizzy" but it doesn't sound half bad in the pipe. I sold my acoustic double bass and now play a redesigned small EUB "Electric upright bass" - so of course I have to take a separate amp=speaker combo - or do I? Mar 30, 2019 · Why did the Mono & Stereo Review state: "For tube amplifiers, Cube Audio recommends such designs based on 2A3, Px4, 45 tubes" and not 2A3, Px4, 45, and 300B tubes. As already noted though, increasing stuffing at the peak of a SO = 0 pipe acts as an acoustically larger throat plus typically yields superior damping to a damped larger throat area and easier to build if folded, so is what I Jul 21, 2022 · The chamfer should start right where the cone can be seen from the side thru the basket, the driver shown (looks like my FR125 drawing), there is a bit of a ring but in the Mark Audio for example, there is no ring, and the chamfer dhould start right away. Long strand wool stuffing. With an even more powerful motor and new coatings on the cone, this is a real beast. Cone excursion may be a problem with more than 3 or 4 watts input. Curved internal structure at mouth. All the dimensions are interior measurements. My initial attraction to Voigt pipes was that they were interesting to look at. As a result, a speaker with very high sensitivity---the legendary Voigt Corner Horn---was born. sealed nuts are not necessary. Still they gave frequency flat to below Nov 5, 2010 · The Cain & Cain Abbys don’t sound like most speakers. I use a 1 watt Berning MicroZOTL as a main amp, so I am familiar with your needs. With the pipes I figure a folded pipe would work well for a center (keep the speakers matched), but I don't see much mention here of using these speakers for home theatre. The single driver speaker design, which negates the need for a crossover, seems to couple the amplifier electrically to the speaker in a way that is not possible in most twoor three-way designs. #551. Sadly they are now broken with a $4000 repair needed. Voigt Pipe Tube. The bass boxes (acting as speaker stands) handle below 300Hz. #4. Solid African Wenge wood base. Size: 10″ w x 72″ h x 11″ d (25 cm w x 183 cm h x 28 cm d) 8ft by 4ft 6mm mild steel sheet, or plate wide enough to fit the driver. The Feastrex Makoto had a slender physique and an estimated weight of around 150lb. A folded Voigt Tapered Quarter Wave Pipe with the 'trickest' crossover giving clarity never before heard with a sound stage that is alive and wider than the speakers themselves. 66 bolts and nuts, 19mm head, 2 inch long thread, but size is not crucial. This unit has speed (!), and sounds as detailed as an electrostatic speaker. Due to its relatively high efficiency the design is frequently employed in full-range Sep 7, 2010 · Joined 2002. INFINITY 9633BL (T-m) 4. 4-inch tall by 7. If you have any questions please let me know. They have a broader bass enhancement like a horn over a a TL, but not as efficient. Apr 8, 2010 · In 1927 Voigt was still working for W. We aimed for more dynamic and even richer sound than Cube Audio Fc8, and from what we hear from our first customers, that's exactly what you can expect. Length of second internal baffle: 665. This left a thin-sounding speaker, where the voigt pipe design wasn't contributing enough to the lower midrange. Like all of our kits, the Frugel Horn XL kit speakers have been fully CNC machined from 18 mm Baltic Birch Ply to provide an accurate and repeatable method for anyone to build this pair of DIY full range loud speakers. Hough Ltd. DDVP-10 for 3"-4" Full-Range Driver. As far as performance is concerned, Cube Audio Bliss C truly is a work of art. " No such data on the F8-Magnus but I'd guess it's also high as the sensitivity spec 94dB vs F8-Neo 91dB. Posted: Fri Jan 04, 2019 11:00 pm. 00 UK VAT added in cart. 5 inch mid-bass units used in most 2 DIY Voigt Pipe with Damp-Duct (DDVP-10 by spc. Build and sound test of my experimental double fold Voigt Pipe. 6moons audio reviews: Robyatt Audio Ridge | Diy audio projects, Diy speakers, Speaker plans. 5 grams of moving mass. Jan 26, 2014 · Sim of Voigt w BG20. Mr. DDVP-12. Jul 26, 2022 · Simplified explanation on how Voigt pipes work relevant to choosing the right type to build. The diameter of the circular false baffle isn't big Sep 29, 2003 · Posted by DNAgent (A) on September 29, 2003 at 00:54:02 R/S 40-1043 and 40-1044 Voigt Pipes? - DNAgent - High Efficiency Speaker Asylum The Voigt pipe was built in 1934 and patented by Paul G. My dad has been trying to get me to do a DIY build for a while, and told me that jeschke's voigt pipes would be a great idea. Hornrsp is the most popular easily available modelling software at present for QW designs. Mar 22, 2024 · Even if Vas for TBW8-1808 is 88L and for SB20FRPC30-8 it is 66L- the difference is greater than 10% . Gilbert s father had first come across Hough by chance in a bank in Borough, in Southwark. Powered by a MarkAudio Alpair 10P full range driver, and constructed of 18mm grain matched Baltic Birch plywood (stained Cherry and finished with shellac), these speakers are Building the Voigt Pipes - FredT300B One pipe with its unfinished speaker mounting baffle and port baffle set in place to check fit. So, I did a bunch of reading/research. Plots: FR placed touching back wall, FR with back 36 in away from wall, Cone Excursion, Impedance. Length of first internal baffle:70. This is a simple design, no crossover network, and a 8 inch full range speaker. May 8, 2021 · DIY Speaker Cabinet. I assume that part of those 5-10% percentages can be solved in the tuning stage. Damping requires that things move in order to dissipate energy. It just happens to be folded. Fostex 208 Sigma, 206E or 208ES drivers. Nov 2, 2005 · The larger magnet of the 206 provides a whisker better detail than the 207 -your call. speakers, I've decided on the voigt pipe design because of it's simple design and incredible reviews. The design is based on the quarter-wave tuned pipe, developed in 1934 by loudspeaker pioneer Paul Voigt. All five speakers use a single Radio-Shack 8" 35-Watt full-range driver. Here, I share the most relevant info for Voigt cabinet type choic Nov 9, 2012 · Voigt Pipes are a mix between transmission lines, and horns. Terry Cain has improved on A loudspeaker that stands head and shoulders above all others. The setup:Speakers - DIY Voigt Pipe wi Apr 17, 2022 · This TQWT can be made for two box in the Japanese standard size (12mm saburoku-plywood, 900mm*1800mm). Thread starter ChrisO; Start date 2011-05-09 9:37 pm; Status This old topic is closed. It has to sound great and look good. 1) The total internal height from apex to floor Apr 1, 2022 · The title is a blatant lie. The greatest highlight is, expectedly, the Apr 4, 2004 · I made a pair of Voigt pipes and. Feb 22, 2011 · #1. The Lowther drivers of your choice can be mounted in the opening a little over half way up the speaker’s front in the curve of the very gentle “S”. As already noted though, increasing stuffing at the peak of a SO = 0 pipe acts as an acoustically larger throat plus typically yields superior damping to a damped larger throat area and easier to build if folded, so is what I May 31, 2007 · The Voigt pipe is a type of loudspeaker enclosure that embodies a combination of transmission line, ported enclosure and horn characteristics. 5" - 5" Full-Range Driver. Actually design number 3 and 4. Felt mat dampening behind driver. His friend Uchida introduced Nori to the store at 30 Watts Street. I have used those drivers on single driver systems that I have built, and they are pretty good, but pale in comparison to the new Voigt Jan 4, 2019 · milesian. 1 Tesla in the magnetic gap that is 12 mm high. The background noise is the noise floor of the recording microphone. Sep 16, 2023 · Following the astounding success of my first full range design, I want to go onto something a little more interesting. May 28, 2021. 4Cms (um/N) 248,71 € *. Cube Audio F8 Magus is the 8" flagship full-range driver. jpn. Joined: Thu Jan 07, 2010 11:45 pm. As you will now have seen, there is a difference between a tapered quarter-wave tube (especially the mass-loaded types) and the Lowther Club of Norway 'Voigt Pipe'. 07-28-2002 at 11:45am. Its resonance frequency should be 1/4 wavelength resonant frequency of the speaker. Smooth curved surfaces. I'm thinking about using these: Pioneer A11EC80-02F 4-1/2" Full Range Driver for the drivers. Each driver required a different amount of stuffing to get the most out of them. 1) The top at present comes to a point, which makes it an So=0 pipe (So is the area of the Oct 18, 1998 · The most powerful Lowther, the PM4, has a flux of 24,000 Gauss and a cone with just 6. Driver cutout: Diameter 190, upper edge 10mm below the internal top surface. This article was originally Over water in a non-descript deli, Nori talked to me about audio tubes, SETs, direct-coupled circuits and Fi. Jul 18, 2010 · - Finally, I moved the stuffing to the ported end of the cabinet, leaving some around the driver. I was using them with a pair of Fostex Sigma 208s. Solid African Wenge wood lathe-turned speaker bezels. I later found out that the Voigt cabinets themselves, because of their narrow fronts, tend to eliminate some lower frequency extension of any fullrange driver used. Triangulated single-Fold Line -- front-terminus. The bass extension may not be as deep as you hoped, and the placement away or next to wall makes a big difference. Once the port is changed to something like a 4" tube, the driver put in the right place and a few other tweaks, it works much better. A Tapered Quarter Wave Pipe (or sometimes Tube - hence TQWT). Patsaud, great description. E. this is enough to build a pair of cabinets. 46. Wasn't the original frugel a true horn. Have you ever seen Cube or Refined Audio specifically demo with 300B based amps? The TQWT (Tapered Quarter Wavelength Tube) Design: – Final Year Project. 9-inch deep, although the The Voigt Audio Works (a division of Voigt Manufacturing Co. I have heard that it takes about 500 hours to get them almost fully broken-in. After a lot of back an forwards I ended up building this design. Drivers with typical bass reflex features like a Q around 0. The discoloration is a 50/50 mix of carpenters glue and water which I painted on to reduce the edges' inclination to adsorb the paint, which I will spray on tomorrow. The Audio F8 Magus is the 8″ flagship fullrange driver. Jul 9, 2002 · 3,251 posts. A combination of TML and Horn. Y. Voigts are not critical with driver paramters. 5 inch to 6. (Tascam DR-05X)P . Single Fold Voigt Pipe (aka Tapered Quarter-Wave Tube [TQWT], Tapered Quarter-Wave Pipe [TQWP]) Classic 2-Fold Line -- front-terminus. When I first heard a Voigt, at John Howes' Lowther/Voigt Museum, I was astonished . Subscribed. There's still a tonne of sanding and finishing to do, but at least the May 27, 2008 · The Voigt Pipes provide an excellent vehicle for the Audio Nirvana Super Eight driver. Some years ago (as in the early 90's) I worked for a NASA contractor that built acoustic levitation experiments and they let me build subwoofers on the side. Cones and Wizzers: "Once we had the motor ready and capable to control heavier moving cones and suspensions mass, it was time to do the cones. Voigt (Paul Voigt) designed his first loudspeaker with a permanent magnet. per cabinet. The Cain and Cain Abby is a Voigt Pipe Speaker that uses Fostex drivers w/92db efficiency. Posts: 1949. I could build it as a 2-way system and bi-amp the thing, which would eliminate the passive x-over, but that moves the complexity further upstream (electronic x-over). Powered with the low-output tube amplifiers of the day, a horn speaker could push enough air to fill theaters with sound. Sand filled cavity at base. Hi. With even more powerful motor than the original Fc8 with new coatings on the cone, this is a real beast. This cabinet has a few general issues that you might want to address, so, this is Scott's infamous quick and dirty rescue job for the LCON Voigt Pipe cabinet design. LOL. Oct 5, 2005 · One consideration is that these speakers will be for my living room TV/stereo and I may want to make a centre speaker eventually as well. I heard these and the first pair of BIB at VSAC2001 - wow! almost a decade ago. The cone assembly is composed of a three-part lightweight paper cone that combines Kevlar and glass fiber with the paper slurry. IINM the Norway Club "Voigt pipe" was an inspiration for one of Terry Cain's early designs that with some brilliant revisions and TC's superlative craftsmanship evolved into the Abbey. Full disclosure: I like sexy stereo gear. We celebrate a remarkable 100 years of pioneering horn design. The Pluvia 11 is a completely new driver design. Location: Grand Bend, ON, CA. 2. The kit uses mitred joints to make assembly of the cabinets as easy as possible. If you want to reopen Feb 3, 2014 · Hight of pipe opening:100. 30Mms (g) 21. 5" is the center from the bottom to the speaker. 3. Still, a very graceful appearing speaker cab- regardless of what you want to call it. Delivery time: 3 - 5 Workdays. I have used those drivers on single driver systems that I have built, and they are pretty good, but pale in comparison to the new Voigt Pipes I just Oct 18, 1998 · There were no high-powered amplifiers in the early 1930s when P. ••• Jul 9, 2002 · 3,251 posts. I'll have to admit that to date, I haven't done any testings, but I think: 1. 00 out of 5 based on 2 customer ratings. in Show and Tell. Post subject: Re: Voigt Pipe. 92 UK VAT added in cart. 6 coats hand-sanded spar varnish for UV protection. adjustment for driver protection so as not to exceed Xmax. The idea was that putting a drive unit half way down a pipe you'd get a bass resonance that would boost bass output. #8. Padauk veneer over 1″ thick cold-molded birch ply curved sections. In this episode, John Howes from the Lowther Voigt Museum chats with Malcolm Williamson about Lowther's latest exclusive build: a reproduction of the original Voigt horn. Hear the brilliant midrange that makes instruments like the piano come alive or the sound of the strings Quick slideshow ( no music) to show build of Tech Ingredients designed Voigt Pipe speakers. Feb 22, 2011 · frugal-phile™. Jul 26, 2013 · A wide range of highly experienced listeners have been surprised and impressed by what they have experienced,with this speaker, using modern drivers, derived directly from Voigt's original ideas. The recommended room size is 15-30m2 (160-320ft2). Setup. Built the cabinets out of baltic birch back in the late 90’s and originally had a smallish 3” full range driver in them. The 'quarter wave' refers to the length of the pipe, which is a quarter of the wavelength Dec 10, 2019 · It's 'Voigt' BTW. The transmission line opening Feb 22, 2011 · A reverse taper would imply a voigt pipe (please note that voigt has no h in it) dave *(in reality a taper can go either way, decreasing or increasing taper would make more sense, but only if defined from a particular end, convention is from the closed end, again makes sense only in the context of a quarter wave line) Jan 30, 2019 · The 7” RS180P-8 Reference Series midwoofer from Dayton Audio uses a nice six-spoke cast-aluminum frame with narrow 10-mm wide spokes to minimize reflections back into the cone. Jul 28, 2002 · 3,251 posts. 5 inch mid-bass units used in most 2 way systems. Oct 5, 2019 - Explore Tools's board "Voight Tube Speakers" on Pinterest. It's basically a standing-wave generator; having positive expansion that means 1/2 wave with a 1/4 wave fundamental. Cube aimed for more dynamic and even richer sound than Cube Audio Fc8 that’s exactly what you can expect. ) Model A Reference Bookshelf Speaker is an Audiophile-grade bookshelp/stand mount bass reflex loudspeaker. com some years ago. I have about 40-50 hours on mine and they are really doing fine. G. Solid African Padauk wood sides. I have never built (actually, never Voigt Pipes. H. This would've meant crossing over to the woofer at more like 200Hz, at this point, they'd be easily locatable. May 16, 2023 · I'm fairly pleased with my first double folded Voigt pipe tapered quarterwave transmission line back loaded horn loudspeaker. Feb 22, 2011 · Voigt pipe speakers - ADVICE NEEDED! I am a retired architect with acoustic knowledge; I have no electrical knowledge. 5-inch width and the 16-inch depth of the FM was the second slenderest, sleekest looking full-range loudspeakers I’ve had the pleasure of reviewing, next to the Bӧsendorfer VC 7 at 52. 75 foot box ported to around 30Hz. 70Sd (sq cm) 236. Their shape is that of a very gentle “S”. Below: The cabinet portion of this project requires two 4ft x 8ft sheets of plywood. There are four traditional pipes used for both my front and surround speakers, and a modified pipe for my center channel. 73. Nori and Uchida knew each other since high school days in Japan and they were both living in NYC in 1993. It breaks the panels up into smaller units. 7-inch wide by 15. The Full Range audio driver that produces more bass. I was asked to design the sound source for a sonic boom simulator for GTRI doing some NASA research on the This is our Christmas Special episode, proud to share Sheldon's Voigt pipes!In case you find my channel helpful and want to see it continue in the future, yo Cube Audio F8 Magus (pair) £ 2,679. DIY - Loudspeaker | Low-end Speaker Craft [DIY] TQWT(ML-Voigt Pipe) with Damp-Duct. ( 2 customer reviews) £ 72. 1. I'm not even remotely finished with these Voigt speakers. I love the sound. Not yet modell I currently own a set of self-built DIY Voight Pipes . The results are spectacular for all natural orchastration, woodwi Mar 3, 2006 · 2006-03-04 6:53 pm. Voigt designed the Voigt Pipe. The Voigt Horn. I said I liked the thought of some striking looking speakers (of course great sound as well), and he figured they'd be great. Each speaker base is a 14X14 piece of 3/4" mdf. Oct 18, 2021 · Member. OB is not really on the cards in the room in question or my Wife in question! Any suggestions would be most welcome! RC Aug 26, 2009 · for the subwoofer i'll continue asking the precious help of pkitt in the mentioned topic (fiberglass TL). Part of the idea on this speaker is to eliminate the need for a x-over and to also not worry about driver alignment. Oct 30, 2021 · Oct 30, 2021. Optimization by arranging the absorbent material and. #3. 5 for 4. (40-1044) What follows are two pages, one describing my the construction and use of the five Jun 20, 2001 · just for kicks, i put the rat shack 1197 fostex clone into my voigt pipes using a makeshift cardboard coupler to fit the 4" driver into the 5 1/4" hole. org) speaker box using Mark Audio Pluvia 7 PHD single driver speaker. 3 and for a 8" driver an FR in the 30-50 Hz range will work best. witwald said: From the impedance curves published for IMF transmission line loudspeakers, it would seem that the "transmission line" loudspeaker could just as easily be a vented loudspeaker, with a very large port that is heavily damped to reduce port resonances as much as possible. This image is of the TDL and utilizes a terminated line for the mid as well as a classic line derived from the IMF next to it. I love my Luxman R-1070 receiver and my Kenwood KD-500 turntable. Front edge of the large internal baffle is 170 mm below internal top surface and 170mm behind front baffle innner surface. #10. May 9, 2011 · Voigt pipe Band PA speaker . A Voigt pipe in the usual parlance is a conical horn tuned to 1/4 wavelength (there are exceptions) of the desired Fo & is rarely impedance matched in its functional BW (again, with certain exceptions). Cosmetically speaking, this is very good looking driver. I rounded the edges and applied a 1/2" roundover to the front and sides. I'm glad to know another kindred spirit out there in audioland. Back in the '30's that pioneer of hi-fi Mr P. It is a reasonably priced speaker with necessary and sufficient low range and natural mid-high range. diy loudspeaker Voight Pipe- invented and patented by PGAH Voigt 1934. Testing the frequency range extension capability of these two speakers where the Mirage seems to have a MASSIVE advantage: TWO 8 inch The Voigt pipe is a type of loudspeaker enclosure that embodies a combination of transmission line, ported enclosure and horn characteristics. The DIY community has long embraced this particular loudspeaker enclosure and Feb 27, 2020 · Yes probably, F8-Neo "2. The round speaker mounting baffle will be bolted on to enable me to substitute different size drivers by changing to a different baffle. You may know that I also am breaking-in a Lowther system. The sound was fast, but a tad lean. I haven't done a video of 2 yet because it didn't sound great Jul 28, 2002 · 07-28-2002 at 11:45am. Voigt’s design is a tapered tube, tuned to a quarter-wavelength of the lowest frequency to be reproduced. Its sound delivery is transparent, accurate, and dynamic. Side-by-Side Single Fold Stereo Pair. A. The Pluvia 11 cone is an entirely new design from Mark Fenlon. yp xw is fq xl cz jo mb cl ed