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Our goal is to make the best possible sound affordable for everyone. We honestly feel that the Audio NirvanaLowtherand Fostex speakers we sell are the best full-range speakers in the world at any price.
Speakers are available in: 3" 76 mm4" mm6. Audio Nirvana is the only company that has ever made true full-range speakers larger than 8 inches. We don't build larger full-range speakers for more bass, but for astonishing midrange and treble. A special proprietary design makes this possible. Any whizzer cone model is not truly a full-range speaker, but a two-way speaker where the tweeter cone is glued to the woofer cone. But whizzer cone full-range speakers are still much better than multi-driver speakers with a crossover.
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Neodymium rare earth magnets offer the highest efficiency and most detail. Alnico magnet models are the smoothest, richest, best balanced, have the most bass, and offer more detail than Ferrite magnet models. All Audio Nirvana DIY speakers use strong, beautiful, cast aluminum frames--not cheap pressed steel sheet metal as most companies use. We supply free DIY speaker cabinet plans, parts list, and setup tips with any purchase. You can also buy generic cabinets online, or have cabinets made by our woodworking partners.
Audio Nirvana high efficiency DIY full-range speakers have better sound than any other speaker and better build quality than any other speaker. Super 6.Resources saved on this page: MySQL Show 50 post s from this thread on one page. I'm a little confused about adding a super tweeter to my full range speakers. I am driving my full range 4 ohm speakers with my LM GainClone amp and want to add tweeters for those extra highs.
Some of the commercial 'super tweeters' I have seen have built in crossovers and attenuators, but connect in parallel to the main driver. Surely if you don't have a crossover on the full range speaker, at certain frequencies the amp would 'see' a very low impedance as you have the full range driver and tweeter both being driven by the amp. My LM amp runs my 4 ohm speakers fine, but if I added an 8 ohm tweeter, at certain frequencies when the crossover allows the signal to the tweeter, the amp would see both speakers in parallel.
I know the impedance of the speakers change at different frequencies, but is it safe to just add a tweeter crossed at say 6K Hz, or should I build a crossover for both?
I have to answer "it depends" First, remember the full range impedance raises quickly at higher frequencies. All that copper in the voice coil you know. I am sure the OEM can provide you a plot that shows this.
You did not describe your full ranges or if they have a Zobel or other compensation networks, as that can change everything. In other words, safety wise, I agree with sofa, you should be fine. But, you are not adding an 8 Ohm tweeter, but a variable impedance that does not dip too far below 8 with some crossover that may or may not raise the impedance. You are actually asking a very complicated question for us to be exact in our answer.
Say, the tweeter has an L-pad on it. Now you ARE putting an 8 ohm load across the entire frequency range, unless the pad is inside the crossover. It depends. Just adding a tweeter without a complete two way crossover only gives half the advantage the tweeter could provide and may be very difficult to integrate.
All drivers have breakup modes. A full range may actually "use" the breakup to give the impression of extended highs so you only need a little "air" on top.
But, if you added a complete crossover, you can reduce that distortion and get the highs too while making the integration easier. Just adding the tweeter may give you ugly peaks where the full range is breaking up the worst causing difficulty in overall balance. Now I know, the full range camp is very proud of not having nasty filters in the critical range to mess up their sound. I fully understand that argument.
I offer the suggestion that crossing over above 5K with a not very steep crossover provides some help on the full range breakup and will be very easy on the tweeter and easier to integrate satisfactory. Of course, now we will have moved you into the "wide range mid" multi-way camp. Even if you XOed an 8 ohm tweeter or a tweeter with an 8 ohm L-Pad you would have impedance on the order of 4 ohms.
Here is a practical example snapped from a post on another forum. Like Dave said.
I wouldn't worry about the amp. Best Regards, TerryO. Hi Dave. Anyway, at 10KHz, the impedance of the EL70s is about 6 ohms and climbing, so I suppose a simple cap on the tweeter wouldn't stress the amp too much. Using an online calculator, the cap size for 10KHz cross would be 1. Would these values be a good starting point? I will probably end up building a crossover for the full range at some point.
You could also do a series crossover.Last Page. Today AM by Roo2. Super Pensil 12 build.Ranjith menon actor biography
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So this showed up on my Facebook page. Any opinions? Voigt Corner Horn contemporary build based on original design and materials 1 2 Vent Calculation. Mark This Forum Read. View Parent Forum. Search this Forum : Advanced Search. BB code is On. Smilies are On. Forum Rules.
All times are GMT. The time now is AM. Resources saved on this page: MySQL Full Range. User Name. Stay logged in? Mark Forums Read. Please consider donating to help us continue to serve you. Page 1 of Forum Tools. Last Post.Near the bottom of this page are the older speaker projects that use drivers which are dnow iscontinued. Last update: 1 September The speaker projects are listed chronologically.
For more DIY projects, use the navigation menu on the left side of the page. Last update 1 September Once again Mark tries on the Fostex FEEn high sensitivity fullrange driver, but this time the end result is a large elaborate back-loaded horn loudspeaker. The speaker cabinet plans are from the FEEn driver datasheet.
The horn loudspeaker cabinets are made from 21 mm thick pine plywood and use a single FEEn fullrange driver and no crossover. Australian beeswax is used on the outside of the horn cabinet and heavy cedar oil was applied to the mouth of the horn. Mark reports that the horn speakers can draw an extremely accurate soundstage, sound excellent and have lead to a whole new listening experience with Paris, a 2. This open baffle speaker project is simple to build and uses low cost speaker components.
The project was inspired by the "Big Air" open baffle system by Jim Strasser. Bruce indicates that the speakers have an excellent overall sound but cautions that open baffle speakers systems are "bi-polar" and not for everyone. The enclosure is a 6. The loudspeakers use a single Fostex FEEn fullrange driver with no crossover circuit. The speakers work well as nearfield monitors and combined with a subwoofer the speakers can be used for home theater duties.
The speaker box plans are from the datasheet that was supplied with the drivers. The loudspeakers use a single Fostex FEEn fullrange driver and no crossover.
The two chamber box design extracts good bottom end from these low displacement drivers. The speakers will be used in a home theater so for a non-reflective finish the speaker enclosures are painted with a undercoating paint for a stipple like finish and flat black paint.
Mark reports that the speakers are an excellent mate for use with his 2. The 2-Way crossover uses a 3rd order Butterworth filter at 4 kHz with an impedance correction circuit. The nominal impedance of the speakers is noted at 4 ohms and the frequency range is about 60 Hz to 20 kHz. The enclosure is made of MDF and solid oak and each tower weighs about 60 lbs.
Adam reports that the Ion speaker build is his favorite so far - "The Audax HMCO woofers produce very warm natural tones up through the upper midrange. With the TangBand SC tweeter the highs are crystal clear, detailed but far from harsh. The speaker enclosure uses a pair of ready made curved Dayton Audio 0. The crossover used is from the Swans M1 but Daniel used hound wound inductors.
Speaker Projects Gallery - Parts-Express. Each speaker project includes complete drawings to illustrate construction of the speaker enclosure, crossover schematics, a full parts list and photographs of the finished speaker project. For those who are not great with woodworking, the TriTrix is available as complete kit.Single driver speakers are very popular and have many advantages, primarily simplicity, ease of drive, and excellent performance. However, most single driver models require horn loading.
There is nothing wrong with horn loading but the cabinets are difficult for the hobbyist to build. Bass reflex cabinets are much simpler to construct and consequently were selected for this project.
The driver used is the Tang Band W It has an efficiency of 95 dB for one watt. All Transcendent Sound amps can easily drive this speaker. Single driver speakers suffer from a response anomaly in the upper registers.
They all have a steadily rising output with frequency and this speaker is no exception. Not taming the rising output will cause the top end to be very hot and peaky.Membrana per driver cerwing vega h25 das offerta
An adjustable attenuation network has been developed to correct for the rising output. Notice in the graph below, the output slopes up above Hz. The attenuator must level out the response to equalize the output. Calculations show that a microhenry 0. Using a ohm, 50 watt L-pad set at mid-rotation provides 8 ohms and yet still allows for considerable range of adjustment. The inductor was glued to the back with 5-minute epoxy. At center rotation, the network gives the following measured electrical response:.
DIY Speakers and Subwoofer Projects
This very closely matches the desired characteristic. At maximum attenuation, the following electrical response was measured. The difference is primarily in the top octave. Setting the L-pad at minimum resistance effectively takes the network completely out.
Use the left and center terminals of the L-pad as viewed from the rear. Do not follow the instructions that come with it. The inductor is an air core unit with 18 AWG wire. The cabinet volume is 3 cubic feet. External cabinet dimensions are The vent is 4 inches in diameter and 4 inches long and is shown mounted in a plate because it was reduced in size. The initial size was 6 inches in diameter and 2 inches long.
This was too under damped and caused excessive boomy bass. The selected size over damps the speaker, which extends the bass to well below 50 Hz and removes the thumping. It also has the beneficial effect of cleaning up the midrange because of the reduced cone motion. Damping was provided with 1. Line the top, bottom, sides and top half of the back. No damping on the front panel.The resurgence of interest in full range speakers has led to a renewed exploration of the rear-loaded horn.How to get the Best Sound from a Full-Range Driver
This coupled with a whole new generation of more advanced computer-based modeling tools have given designers more power to generate better designs. F rugal-Horn.Williams fj44 inspection intervals
FH3 been shown to work with a wide variety of drivers. More are being encouraged. With Fostex doing a complete revision of their popular full-ranges, most of the Spawn of Frugel-Horn became obsolete. Horns are typically more complex to build, and are not without other problems, but a well-executed BLH can be a real aid to enjoying the music -- and in the end that is what it is all about. All of these will be supported by well developed plans some still a work in progress and links to community discussions on these specific designs.
These horns are free to build for non-commercial use and licencing requirements for commercial ventures are not onerous. We hope that the builders add their own creativity and personality to their speakers.
Frugel-Horn Mk3. Frugel-Horn XL. Frugel-Horn Lite. The original. Spawn Family. Ron's Horns. Acknowledgments, etc. Use of Designs. Mail Us.By karlinamillionApril 18, in DIY.
The Jordan Eikona has caught my eye. Now the transmission line cab is overall pretty small plans herebut I would like narrow as well High WAF basically as narrow as poss.
I found this calculatorwhich accepts the numbers, but anyone out there have an opinion as to any cons in being a narrow cab? Have you looked at the Frugal horns? Think there is even a couple of places in the UK offering kits. That Jordan cabinet is quite a well established design, no real issues with a shallow cabinet other than you may get more sound reflected back through the cone rather than dissipating inside the cabinet, although this can be helped with dampening.
The wider design from the front, helps with lowering the amount of Baffle Step Correction you would need top apply, although that less of an issue if you have the speaker up against a rear wall. Unless you are really going in deep with DIY, I would suggest sticking to an established design such as the Jordan designs, or as mentioned the Frugalhorns too. I was hoping to have the speakers pretty near a back wall due to very small room, so that's a plus.
I've messed around with Lowther single driver horn loaded designs on and off over the years, and have concluded that you really have to augment the bass somehow, either by adding a sub or creating a two-way design. Yes, you can get there if you build a big enough horn, but that absolutely doesn't sit well with domestic acceptability. Very satisfying when you are no longer straining your ears to hear the bass notes.
They were very 'nice' indeed on classical music, and light jazz, which is all we ever played on them. Didn't go very loud, but 'nice'. The Mark audio drivers I sell go much lower than the lowther type drivers and they have much more excursion and a Q that works in slightly smaller boxes. No need to compromise the bass unless you want loud sub bass A frugel horn does the best here but does still have a large footprint.Ros package velodyne
A Pensil 11 flat pack is a good compromise here. Bass a plenty for most folk. It's basically a midbass driver that does wideband stuff. Above are my DIY ones. The retro 60s styling might not be to everyones taste, but the missus loves them, simply because they only produce extended bass, when backed right up to the wall.
As we can see above, she's placed vases and lamps on the top of them; a sure sign of approval. I like the ornament on the LHS cabinet. That's about as near as I'll ever get to an amp.
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