Troels viawave. Resolution was the first superlative that came to mind.

Troels viawave Whether it is a horn and compression Also the DXT would have wide top-octave dispersion (closer to constant directivity), while having wider vertical dispersion than the Viawave ribbon. He loves it. low xmax, Vas is low - so you won't get much upper-bass lower mid boost in Viawave moved to Slovakia. 2021-07-07 6:59 am #2 2021-07-07 6:59 am #2 Have a look at the SB26ADC as it performs better than it's price would suggest. As I'm writing this in the last week of the year, vaccines have started rolling out all over Europe and US, but I guess we're looking into the Autumn of 2021 before life may - slowly - Viawave SRT-7 ribbon BlieSMa T25B-6 BlieSMa T34B . I've looked at the Fostex T90A, which is a very nice looking alnico super-tweeter, but it measures really bad. Viawave has moved their production New Alumen Z-Cap values. Last edited: 2021-07-07 2:36 am. volume before the bass becomes boomy. 0 ribbon transducer in October Clarity and resolution all indicates low distortion. “Viawave Audio proudly introduces a true world first in the GRT-145; the technology of sealing the air gap between the ribbon and the poles of the magnets. Viawave Audio proudly introduces a true world first in the GRT145; the technology of sealing the air gap between the ribbon and the poles of the magnets. We are pleased to Troels is an established designer and is known for his solid designs. My BestL. GRT145 plus Volt 752/Bliesma M74B plus 4. Houd ons in de gaten, meer nieuws volgt! The upper treble has lower distortion than the best ribbon tweeter currently available (Viawave SRT-7), so it's not correct to make general statements that fullrange drivers don't measure well. PL9271003050 “Viawave Audio” LLC, Russia, Petrozavodsk, +7 911 433-53-01, viawave. I'd never had speakers with Troels Gravesen Purifi-6R: 2-way kit w/PTT6. Tweeter Review - - Viawave GRT-145 The ATiRi speaker Troels designed using the tweeter - - ATiRi Фото магнитов не моё, а с сайта известного мастера Troels Gravesen. Purifi-6661 (or Viawave Ribbon) would be epic (and expensive, I am Speaker Talk 2017-20. Would be curious to hear a horn tweeter or a ribbon such as Viawave SRT-7 to compare. The current website address is viawave. 2500Hz is pretty low for a ribbon granted. Alternatively, the Scanspeak 18W/8434G-00 could also be the 7" woofer choice. So we know that with diaphragms undergoing pistonic movement, the radiation pattern transitions from spherical/hemispherical to something that looks more like a beam as the frequency increases. Developed by Viawave Audio, this technology is called SRT - the “Viawave Audio” LLC, Russia, Petrozavodsk, +7 911 433-53-01, viawave. With the Hypex module running the bass, the MT A special mention for the “East European” Viawave waveguided tweeter. 2021-10 To me the “best” today, and here I welcome everyone are Bliesma 34 or 25 And Viawave SRT. This type of construction Purifi-Fa Back to intro. The current e-mail dialog@viawave. Even a quite powerful viawave ribbon cannot easily go down to 2k and if pushed volumewise it will distort. 2020 has indeed been a crazy year due to the pandemic. (GRT-145-4 no longer available for TL-1/2). rabbitz. This technology developed by Audio Viawave consists of placing a polymer film between the tape and the poles of the magnet. All questions regarding purchase of kits, please mail Jantzen Audio at contact@jantzen-audio. Click to read Fortunately there are a number of other modified 1071 cabinet builds Troels has linked to which have a better WAF (attached pics). This router uses the latest Wi-Fi 7 standard for the best possible speed and lowest latency, and it Viawave SRT, The Sealed Ribbon Tweeter. The SRT-7 uses patented SRT (Sealed Ribbon Tweeter) technology to seal the air gap between the ribbon and Alternatively the SB, Viawave and Bliesma stuff are good calls too. к. Troels Gravesen's Jenzens TL] Seas Excel E0006 Seas ER18RNX Seas CA26RFX [Study Speakers, Ara kit] SB Acoustics Satori TW29R Tweeters SB Acoustics Satori MW16P Midwoofers [Wife's “Viawave Audio” LLC, Russia, Petrozavodsk, +7 911 433-53-01, viawave. Accuton C173 also came to mind, but without its distinctive character to the sound. December 2017 in Drivers. Developed by Viawave Audio, this technology is called SRT - the Based on our extensive benchmarking, the best Wi-Fi router overall is the Asus RT-BE96U. Possibly the best ribbons now available(?) Troels has now published his version with Viawave ribbon tweeter Purifi-6R. I'll update as more details become available. The accuton THD and off axis response suggests a crossover point no higher than around 2250hz imo - Troels has crossed the viawave at 2200hz (2nd?) Doable? I had a pair of Troels TJL-2W with the Fountek ribbon tweeter. Reactions: Godataloss and Glen20. Education In this blog post I test the Viawave SRT-7 on Horn No. PLEASE DO NOT ASK WHICH SUPER-TWEETER IS BEST! Compression driver, 18 Sound NSD1095N. Die GRT-145-Serie der Bändchen-Hochtöner verwendet eine patentierte Technologie, um den Viawave GRT-145W-4 320 EUR (VAT excl) Ribbon tweeter with SRT membrane and waveguide, 4 Ohm impedance. We are now a VAT payer in in the European Union. Black terminal is PLUS! Middle JBL 077 ALNICO. Viawave RT850 | HiFiCompass Viawave SRT-7 | HiFiCompass HiFiCompass is the best thing happened to our speaker DIY community. My 400£ was money Opening the Viawave GRT-145W-8 box immediately oozes quality. Ribbon tweeter with SRT membrane, waveguide 110 mm diameter, 4 ohm impedance The GRT-145 series of ribbon tweeters use a patented technology for sealing the air gap between the ribbon and the poles of the magnets. Looks to be about the best tweeter for home use above 2. 2022-03-01 5:08 pm #6 2022-03-01 5:08 pm A special mention for the “East European” Viawave waveguided tweeter. Joined 2007. Du vil modtage information om produkter, tilbud og vores virksomhed. I just cannot understand why Troels some of his designs is not thinking through? If we where to take the best of this two designs then we would get top part with Purifi mid and Viawave GRT on straight baffle. This horn features a 2kHz Fc along with the ES horn flare curvature for low diffraction and colouration. Audiophonie (DE) AudioSolutions (LT) Viawave Audio Drivers. A – F. 2023-01-20 5:05 pm #11 2023-01-20 5:05 pm #11 Thanks! Some interesting suggestions! To try to answer some questions like "Really, what sort of sound are you looking for? 18 H 52 06 13 SDKA-LR is one of the drivers that just come out excellent. Jan300. Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет. 1 Ohms - and you have almost infinite options for room-adaption, something very much in demand as room Overall Troels sound is more what is considered high end but dynamic. средник доигрывает. Ukrainian Troels keeps his IP to him self but you can buy the drivers, crossover parts, crossover and box plans through Jantzen Audio. Without overtones we don't have the tonal characteristics of any instrument. - Wilkowo 62 - PL-66-200 Swiebodzin - Tax Nr. So, what counts the most? Anybody have opinions of troels's design with the viawave? Discussions about products that are not developed with objective methods, or the people who make them, are never productive. Joined 2003. As far as mid you appear to like both of 3. 5X & Viawave. Let's celebrate artistry in music, technical excellence in reproduction and ignore the rest. Can I make it larger and keep the port the same so the tuning goes down, if so what is the max. I'm intrigued by the reference to the Viawave ribbon tweeter, and have had some experience with a ribbon's smoothness via the Duetta's. BY VIAWAVE AUDIO Designed and hand assembled in Russia, with great attention to the finish and the build quality. The device that was sent to Voice Coil is the company’s current iteration of its Fountek NeoCD 2. (Quote) 
GRT-145-8 BTW, I recently measured a bunch of 4-5 inch midranges, and the Vifa NE 123 came out great. Joined 2009. P. We offer the full range of Viawave Audio drivers. For sure a 8" and a 4" or 5" and a good tweeters (there are many those days : ribbons, Be dome, soft dome, Состав динамиков: НЧ Scan-Speak 21W/8555-01 СЧ 2* Seas MCA12RC H1304 ВЧ VIAWAVE GRT-145W-8 понравился после прослушки SEAS-3-Way-Classic от Troels Gravesen, играет ровно с мин искажениями 1000-4000 Гц. - Markus runs them with a triplet PuRiFi 1ET400A driven Class D power amplifiers, As such, the audio hardware is predominantly PuRiFi, Up in the recess for the Gaia foot, you could do what Troels does and epoxy a bolt to accept the threaded rod. Viawave Audio GRT-145 Sealed Ribbon Tweeter Introducing the beautifully crafted sealed ribbon tweeters from Russia, hand assembled with great attention to The "SRT" stands for Sealed Ribbon Tweeter. 018 grams for ribbon 15mm wide by 50mm long Thats a 3x difference in mass per unit area Ive built literally hundreds of similar designs to both RAAL and VIa and I have never seen the 4 micron foil in any Your described MTM setup will result in beaming with the crossover point that you are aiming for. AudioTechnology/Viawave ribbon 10-12-2017: Test ribbon tweeter, Viawave GRT-145-4 18-09-2017: Ekta mkII. Viawave SRT-7 . When I first saw The Loudspeaker Viawave ribbon GRT-145-4, JBL 2405H/077 Alnico and Beyma CP21/F. nigelwright7557. The rest are great, SP ellipticor, SB acoustic, but followers. I evaluated them for a project for about a week, but could not get a good xover match to the midrange drivers I was usingnot a problem with the tweeters! The Viawave SRT-7 is an SRT diaphragm ribbon tweeter with an overall diameter of 104mm and an impedance of 8Ω. Joined 2002. I do think the cross-overs are expensive when they're given circa Alumen Z-cap review (Troels Gravesen) Amber Z-cap review (Troels Gravesen) All our capacitors tested (Humblehomemadehifi) References. 8uF capacitor to The Viawave SRT-7 and the polish shop were seen from the excellent work made here : Read the good pages from Troels Gravsen about Audiotechnology drivers. I’ve read that the ViaWave ribbon tweeters are excellent. A special mention for the “East European” Viawave waveguided tweeter. It has a different rear chamber design. Developed by Viawave Audio, this But the Viawave GRT-145W with the small waveguide could be considered close (measurements on Troels Gravesen's website), and the off-axis looks more orderly, and narrower off-axis at 3kHz is also provided to match the mid better. Hello Troels, Greetings from Malaysia! Scanspeak and/or SEAS goodness, I was drawn to your description of the Purifi-6Rs clarity and have to admit that the Viawave ribbon tweeters were a big plus too. 2020-03-15 5:15 am #23 2020-03-15 5:15 am #23 stoomeister said: Can you please elaborate? I see I am hoping to get some advice from the community! As I am very new to horns, PA speakers and high-efficiency designs. Jantzen Audio Sp. The GRT-145 is a ribbon tweeter by Viawave AudioLike no other – A true world first! The SRT (Sealed Ribbon Tweeter technology), makes the GRT-145 like no other ribbon tweeter currently available in the market. 2021-07-09 12:15 pm #28 2021-07-09 12:15 pm As mentioned previously the setup from Troels Gravesens SB Acoustic 10 looks very tempting to go for. Not exactly what Fostex promises on their data sheet. 2019-11-16 5:25 am #6 Alumen Z-cap review (Troels Gravesen) Amber Z-cap review (Troels Gravesen) All our capacitors tested (Humblehomemadehifi) References. These tweeters are able to play down to 1kHz by virtue of its unique diaphragm design which includes a physical surround feature to block the rear wave from escaping past the diaphragm. May 21, 2020 As far as I know, the foil has suspension along the perimeter and handles much higher power. Click link below to go to: DIY Loudspeakers. DIY Loudspeakers. 2021-11-06 2:22 am #2 2021-11-06 2:22 am #2 I have a pair I’m running as super tweeter on Troels “The Loudspeaker” I’d be willing to part with to fund horn super tweeter for aesthetics as doesn’t make a ton of difference @mainframe99 May be worth updating the front page as Troels Gravesen has modified the Purify 6R by replacing the Viawave ribbon with a Satori Be Friends I need help I have pair 4" Purifi woofer and a 6. Vifa Drive Units. 5” Ushindi chassis optimized for midrange use. murtonpikesystems. Viawave does it differently, sealing the air gap between the magnet poles and the ribbon membrane. The SRT technology (Sealed Ribbon Tweeter) takes this type of tweeter to a new level. I have simulated bass reflex and PR also, but I think I would prefer closed cab which should give better transient response as I Viawave says . Product features: Extremely well built with high attention to quality and details; Impressive sensitivity and frequency response; Low distortion due to the SRT The Viawave ribbon does everything just as well as any of the horns, actually better than any other, but from the kits sold I can tell people find the horns sexier. 5 and the Viawave HF unit. 5 mm thick aluminum face-plate/waveguide and the weight of 1. GRT-145W-8 sealed ribbon tweeter with waveguide The patented technology of sealing the air gap between the ribbon and the poles of the magnets is used in the tweeter. slovakia Fountek was founded in April 2003 with a mission statement to supply strictly high-end two-channel products. Use Hifi Shark to monitor pricing and global availability Senior GRT-145-8 speakers exploit the SRT technology (sealed ribbon tweeter). though I would've gone for a Viawave waveguided ribbon for tweeter use. Studley. ***SOLD*** Discovery-4 speakers build by Troels Gravesen. You may want to mark the foot because Isoacoustic says that their logo should face either the front or the back for best Viawave based DIY kits are back! We are happy to announce that the Viawave ribbon tweeter-based DIY kits are available again. What is the difference between SRT-7, GRT-145, GRT-145 W ? 5. Vifa's new divers are produced Handcrafted sealed ribbon tweeters from Viawave in Russia, The SRT-7 joins the GRT-145 in their range of ribbons. Another that may be worth looking at is the 'Open Source Monkey Coffin' design from DIYAudio. The reason for this is because as the wavelength shortens, the sound waves produced at different areas of the diaphragm start to destructively interfere (combine out of ** New TD8M-8 now available! ** For years we have been asked about having a midrange driver to bridge the gap between our woofers high frequency drivers. I thought about it afterwards, of course to set the height of the foot you can always turn it from the bottom. TQWT Cabinet for JA8008 (back to top) As discussed in detail in the HES article, the price for high efficiency plus low-end extension is size. I thought it might be cool to have a "one box" design, with F15 full range driver on top, and W15 subwoofer on bottom, and possibly also add a tweeter and maybe super tweeter. ru and e-mail dialog@viawave. Pygmy. Resolution was the first superlative that came to mind. What is the maximum sound pressure you can get from a tweeter? 7. He does give Alumen Z-cap review (Troels Gravesen) Amber Z-cap review (Troels Gravesen) All our capacitors tested (Humblehomemadehifi) References. GRT 145 Second Gen Viawave tweeter is getting tested and finalaized. . Viawave GRT-145W-4. 48K subscribers in the diysound community. Contemplating bottom-firing port. 5” mid woofer and the Viawave Ribbon (Hificompass and Troels Gravesen come to mind), I think these would be a step up in detail, headroom and distortion but also in cost. Joined 2006. Dave Bullet. If anybody has heard all of these drivers please let me hear your thoughts on them, comparitively. ru February 2018г. 8 sitting between a pair of aluminum coned 6. T. Viawave GRT-145W-8 320 EUR (VAT excl) Ribbon tweeter with SRT The patented technology of sealing the air gap between the ribbon and the poles of the magnets is used in the tweeter. Copyright 2020 © Troels Gravesen. S. However, the choice of driver size and basic parameters for the JA8008 allows a modest cabinet size; that is if you think 80 net litres is a fair price to pay for 94-95 dB sensitivity and 40-45 Hz bass extension. Z o. However, the high level of knowledge HiFi Compass completed a round of testing on the Viawave SRT-7, successor to the GRT-145. In every driver, a kind of chaos pattern occurs in the moving system – small resonances and breakups happen - some with less successful result and some come out unbelievably good, like the 18 H 52 06 13 SDKA-LR A question, anyone think the C168 can cross ok to the new viawave ribbon ok? Maybe steeper than normal. com. I advise you: around 3kz is the good crossover frequency. He does use quite expensive crossover capacitors thought. 1%. My crossover frequency for it is 2. the Viawave supertweeter, but instead just use a single 1-inch compression driver for 1300-1500 Hz and up (as Gravesen does with his TL-3 model). Check: hificompass and Troels Gravensen. A better place to discuss DIY speakers, headphones, amps, share plans and schematics, and link to In this blog post I test the Viawave SRT-7 on Horn No. tomtoo Major Contributor. Back chamber filling in Viawave tweeters . Playing this rare Musica Nude vinyl recording, which I played hundreds of times, immediately made it clear this mid-woofer is special. I am thinking of building the Troels Gravesen kit with the 1 off 6. Guess xmax's age. I actually have a pair but haven't gotten around Alumen Z-cap review (Troels Gravesen) Amber Z-cap review (Troels Gravesen) All our capacitors tested (Humblehomemadehifi) References. They look very good if you cross at 3kHz or a little above that. Check measurements of super-tweeters here. I think the Viawave is like any ribbon and needs fast a (low inductance) mid-bass or a dedicated mid. Tweeter is designed based on GRT-145-8. here: DISC-4 Very good sounding speakers! You do not need a huge amp to let these Some measurements of the Viawave RT850 ribbon found at the PE forum, measured by RomanB and/or MichaelZ I believe. Reactions: LeifB60. 30th December2020. Developed by Viawave Audio, this technology is called SRT - the sealed ribbon tweeter. A classic brought to new life 03-09-2017: LCR RIAA shoot-out, EAR-912 vs vdh The Grail vs Valab LCR-1 25-08-2017: Peerless NOMEX-164 mkII, update on popular speaker 25-07-2017: Updated Hypex plate-amp/DSP page Troels Gravesen recently published a speaker design on his website that looks like it could be perfect for those with low-wattage tube and Class A transistor amplifiers. 56 μF, 0. SRT-7 has a smooth frequency response in the working range, which simplifies Viawave Audio Ribbon Tweeters. Member. J. I personally think the DXT is a much cheaper and proven driver. digitalthor. It is based on the design of the GRT-145-8 model, with a modified rear chamber here to achieve a smoother frequency response. Vifa’s core values have always been passion, craftsmanship and a continuous drive for obtaining an authentic sound. CROSSOVER-LAYOUT Troels Gravesen Purifi Be - Looks like a revision to the above due to ribbon tweeter supply issues. 18h52 have a breakup about 5,3-5,5 khz. A true world first! • 4-OHM RIBBON TWEETER • SRT TECHNOLOGY Viawave GRT 145 01-07-2018, 09:54 PM. 2020-04-10 6:41 pm #12 2020-04-10 6:41 pm #12 TimbreAudio said: Group buy? I like the clean sound of the SB26, but when I see things like the BlieSMa 25mm Be dome, or the new Viawave waveguided drivers, I'm scratching my head trying to figure out if any of these will be an upgrade, subjectively and/or measured. It is worth to notice that this small company has suffered serious collateral damage from the Russian warfare in Ukraine as the owner’s family Viawave ribbon GRT-145-4 (GRT-145-4 no longer available for TL-1), JBL 2405H/077 Alnico and Beyma CP21/F. ru March 2019г. 9. co. 0 ribbon GRT 145 Second Gen Viawave tweeter is getting tested and finalaized. High-end beautifully made units, featuring their SRT technology and a powerful magnetic system, giving a sensitivity for a ribbon of 7 cm2 of 95 dB/W/m in 4 - . See below. on 13. Troels mentions in brief the Exotic here as **too expesnive** somewhere else he mentions the Audax Viawave SRT7 is the best ribbon available so that's what I will be using along with the Purfi 6. I used this tweeter in numerous other speakers and it's my favourite high-performance Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет. It is worth to notice that this small company has suffered serious collateral damage from the Russian warfare in Ukraine as the owner’s family has been of both, Danish DIY pope Troels Gravesen remarks fairly positively about the GRT-145 4 Ohms tweeter: Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет. jf4828. Don't buy this rubbish. This horn features a 2kHz Fc along with “Viawave Audio” LLC, Russia, Petrozavodsk, +7 911 433-53-01, viawave. 7-2. Audiophonie (DE) AudioSolutions (LT) You are here: Home » Drivers » Viawave Audio Drivers . I thought it was the GRT-145 at first. As far as the SEOS18 expanding array, I did nothing Spannend nieuws! Binnenkort komt er een contest aan voor BeethovenApp met erg leuke give- aways. With the Viawave ribbon tweeter not being available I decided on the Ellipticor D2404/552000, being more expensive - but doing so well in my Ellipticor-A50 it had to be this tweeter. 83V, a tour de force for a Bändchen-Hochtöner mit SRT-Membran, Waveguide (110 mm Durchmesser), 4 Ohm Impedanz. I dont have a large room and only listen to music. Another set of measurements from Troels. PL9271003050 Viawave SRT7 is the best ribbon available so that's what I will be using along with the Purfi 6. Wowzer - those distortion graphs are incredible! But Chahly - Stahkist don't want speakers that look good, Stahkist wants speakers that sound good! ani_101. Dmitri is showing RT850 on Moscow high end audio show and should be back in 3-4 6 - Troels Gravesen uses BMS 12N630 in several designs and the SS T11. Workshop images. Joined 2018. I just recently got a pair to test and plan to build a 3 way with them. sk. The Be dome is not exactly cheap, hence a more affordable version with the no less magnificent TW29RN-B-8 tweeter. The company released its first ribbon transducer, the JP3. Reactions: morbo. Подключались только для сравнения с лентой Малиновского Viawave RT850, которую можно резать не ниже 8 КГц, но меня это устраивает, т. SRT-7 sealed ribbon tweeter The patented technology of sealing the air gap between the ribbon and the poles of the magnets is used in the tweeter. Alumen Z-Caps in 0. Peas Member. Joined 2010. I want to upgrade my speakers and use an SRT tweeter . Black terminal is PLUS! All technical questions to troels. His trolling is I can predict Troels preferences on caps using nothing more than a price * voltage formula, fwiw. The GRT-145-4 is a new breed of ribbon tweeter. Back to intro page. How does the Bliesma compare against the Viawave SRT-7 ribbon? Are there any others in the same league? Ro808. ru January 2019г. 1671) using the highly regarded Viawave SRT-7 pure ribbon tweeter. In the SRT, the gap between the ribbon and the magnets is covered with a U-shaped heat-resistant polymer film suspension. EirikDyrset. Nice to know that you still like the Raal. July 2020. After enjoying the Discovery 4 speakers it is time for a new project so i am selling these great speakers. Last edited: 2021-10-04 6:37 am. Joined 2013. Last edited: 2019-11-16 5:15 am. 5" purifi woofer and some tweeters like ViaWave ribbon used in trovels and peerless corrundum tweetre and Fountek Ribbon also I read Troels review and the Viawave appears to be a good choice also. As it turned out, the fellow who assembled the crossovers for me inadvertently followed Gravesen's instructions for the wrong super-tweeter, so the Viawave ribbon tweeter that came with my kit was getting too much attenuation. Unfortunately, a small waveguide (104mm Yes, that is interesting. Here is the HiFi Compass testing/measurements of these: Viawave SRT-7 | HiFiCompass The Fountek brand is now being manufactured by Shanghai Nada Technology (formerly Fountek Electronics), updating a large portfolio of high-end range of transducers (woofers, midbass drivers, full-range drivers, and ribbons high-frequency devices). « Jeg vil gerne tilmeldes nyhedsbrevet Dine personlige data vil hjælpe os når vi skal sende dig vores nyhedsbrev. Searching for Viawave GRT-145-4 . E. I like the idea of a stalagmite, facing the port. gravesen@hotmail. Frequency Response I conducted my measurements with a 6. Troels Gravesen, Denmark . 1 Ohms - and you have almost infinite options for room-adaption, something very much in demand as room Senior GRT-145-4 speakers exploit the SRT technology (sealed ribbon tweeter). Left: JBL 2405H. 1671 which is specifically designed to work with this driver. OP . 5 and revised crossover in the poured granite cabinets I have with externally tuned brass connecting rods all mechanically Speaker Talk 2017-20. Horizontal 0-40 deg . My question is that the TG box is 16. Don't listen to me - I have not sold any $ 150,000 Troels Gravesen recently published a speaker design on his website that looks like it could be perfect for those with low-wattage tube and Class A transistor amplifiers. Check out this video and be sure to check out the comparison video with the Fountek NeoX 2 There are other expensive designs out there (e. lost the other one! Last edited: 2018-01-14 3:07 pm. Why is it needed? Application 8. It is advisable to take a The GRT-145 is a ribbon tweeter by Viawave AudioLike no other – A true world first! The SRT (Sealed Ribbon Tweeter technology), makes the GRT-145 like no other ribbon tweeter currently available in the market. There have been several array threads in the last few years in which the drivers weren't in a straight line that Vituix gives us the means to delve into. Still, as I mentioned here with respect to the GRT-145: Some speaker driver measurements Basically get that right (waveguide) for the SRT-7, get production costs pretty low, and sell the crap out of them to the pro market - which is a MUCH larger market. Here are the 10 cubic foot boxes as they sit now. As I'm writing this in the last Playing around with 3D model of the speaker at this point.   Going back to some extended listening sessions I had done a number of years ago with some Martin Logan Prodigy speakers and some B&W 801 & 802 I really enjoyed the open sound of the top end on the MLs New tweeter SRT-7 launched in production. In the SRT, the gap between Testing ribbon tweeter, Viawave GRT-145W-8. 47 μF, 0. Instead of AMT take a look at the Viawave SRT-7 or any of the BlieSMa . This type of construction greatly limits the harmonic distortion, especially in the lower frequencies that cover this type of tweeter. It would be interesting to hear what this speaker could be with a more robust/ lower crossing ribbon tweeter such as a Viawave or Raal. Reactions: tomtoo. On a range of 4 to 18 kHz, it manages to achieve a sensitivity of 95dB / m @ 2. by Troels Gravesen, Denmark Hello All, it's been awhile since I created a topic. My guess: 15. uk. Joined 2020. 5 and revised crossover in the poured granite cabinets I have with externally tuned brass connecting rods all mechanically Troels mentions in brief the Exotic here as **too expesnive** somewhere else he mentions the Audax I know Viawave was having trouble with customs related damage and importation at one point. We now stock the Viawave Audio GRT-145W 8 Ohm tweeter, the difference compared to the GRT-145-8 is that this model contains a waveguide rather than a flat panel. htm Testing ribbon tweeter, Viawave GRT-145-4 LCR RIAA shoot-out, EAR-912 vs vdh The Grail vs Valab LCR-1 Testing EAR 912 preamplifier with phono-stage Testing Alumen “Viawave Audio proudly introduces a true world first in the GRT-145; the technology of sealing the air gap between the ribbon and the poles of the magnets. Right: Beyma CP21/F. The SRT way to allow us to continue the profile very soon, the horn began virtually directly on the planar moving Viawave rt850 spare pair One bandor 50. Maybe this was the fix they employed to avoid damage when the 9V touched the terminals in customs? I don't know how or why else the resistor would be there. Viawave Audio proudly introduces a true world first in the GRT-145; the technology of sealing the air gap between the ribbon and the poles of the magnets. I will spend a bit of time researching both ribbons before I decide. His grammar is passable. Our VAT number is SK3121734484. GRT-145-4 sealed ribbon tweeter Viawave Audio proudly introduces a true world first in the GRT-145; the technology of sealing the air gap between the ribbon and the poles of the magnets. Joined 2005. It is worth to notice that this small company has suffered serious collateral damage from the Russian warfare in Ukraine as the owner’s family has been of both, Danish DIY pope Troels Gravesen remarks fairly positively about the GRT-145 4 Ohms tweeter: The nature of the harmonic distortion of the Viawave tweeter SRT-7 is shown in this plot family. This increases low frequency extension (a typical issue for ribbons) and lowers non-linear distortion. My test results are similar to Troels here: YouTube What mids (midwoofers) work well with Viawave tweeters? The variety of mids and midwoofers is now so great that it is impossible to give exact recommendations. Check out Beyma mods here. Now, the Purifi doesn't work alone, the clarity of the Viawave ribbon defines the timbre of any basic note. SRT tweeter power . All parts cut to ~+1 cm. (> £125 each?), the idea of dual Seas L16RNX (£127), the Vifa NE180 (£87), I think the Viawave ribbons (£?) and actually the Satori 16P (£92) and 13P (£78) all over budget. I got around to doing a couple sweeps with this and seems it is everything they say it is! It is by far the most efficient tweeter I have ever measured that was not a compression/ horn combo. It will work, sure, however expecially the off axxis response will show the typical effects. Used Viawave Srt7 for sale on 400+ second hand hifi sites & shops. This With the Viawave ribbon tweeter not being available I decided on the Ellipticor D2404/552000, being more expensive - but doing so well in my Ellipticor-A50 it had to be this tweeter. Tweeter: VIAWAVE GRT-145 Midrange: Eton 3-212/C8/25 HEX Symphony II Woofer: Visaton TIW 250 XS - 8 Ohm Just noticed Troells did a 2-way using the GRT145-4 and a AT 6" woofer. o. Have I realized any improvement in the HF? Well, quite a bit, though I don't think it had much to do with break-in. Senior GRT-145-4 speakers exploit the SRT technology (sealed ribbon tweeter). October 15, 2024. of Troels "The loudspeaker". ru are still working. Lower part would be 2 woofers (I would find something cheaper than Purifi) crossed low enough not to get lobing (depend on filter steepnes). otto88. It can be seen that throughout the entire range, the third harmonic plot (black) goes below the second harmonic plot (blue). This speaker takes quite some square meters of panel, so no need to waste more than necessary and you really don't have to use Baltic birch for bracing. The Viawave SRT technology has been tested by tested by HifiCompass. The new Purifi based floorstander from Troels with the SB beryllium tweeter is intriguing if you want a slimmer design, plus the bass units can be active. Joined 2008. 68 μF and 0. With the Discontinued, crossover schematics can be bought from me: troels. It's simply a matter of finding the correct test metric that correlates with our listening preferences, and low IMD is an important attribute if one New Member Intro: I am new here, but not new to audio or forums, I am looking for some additional ideas and suggestions on a new DIY build! I swore I wasn't going to join another forum, I am a member over at HiFi WigWam under the same user name, went there after the old Linn forum went dark. - The midrange/tweeter arrangement in d’Appolito MTM design consists of the Viawave tweeter WRT145. 8 khz. 4. The 110 mm large and 8. 5khz at the moment. The old address viawave. In the SRT, the gap between the ribbon and the magnets is covered with a U-shaped “Viawave Audio proudly introduces a true world first in the GRT-145; the technology of sealing the air gap between the ribbon and the poles of the magnets. D. Most of the bracings were made from leftovers glued together and cut to size. PL9271003050 There are a couple of designs out there using the Purifi 6. The use of a ribbon tweeter reminds me of Selah’s Purezza which is even more like Directiva. Don't think I can link to it because it is going to be a kit in Feb. Why is the thermal power only 17 watts? 6. My thoughts would be to omit the resistor altogether and place the cap in its place. Anyway I am getting into real planning stages for a set of DIY full active reference speakers. Dave S. Scanspeak's small faceplate beryllium D3004/604010 could also be an option to minimise CtC with a ~2kHz crossover. Datasheet. Troels Gravsen) but none leave me with the feeling that they have a similar amount of design behind them. Waveguide. All technical info, building pictures etc. Just to add, rather than looking at a standard tweeter then the Viawave GRT145 tweeters are up there with the best. I looked at them but I think the 32W/4878T00 suits this better with its Xmax. With the Hypex module running the bass, the MT-section impedance stays above 7. 0, in June 2003, followed by its JP2. For sale is a pair of custom made walnut horns (No. New from Russian are the Viawave Audio Ribbon Tweeters beautifully crafted offering an exceptional performance. Developed by Viawave Audio, this These tweeters are quite good. Reactions: thewas and VeerK. 4 litres and it is tuned to 42hz. 2022-03-12 8:31 am I've noticed lately that Troels is very much in favor of higher mechanical Q woofers these days and the SB23 wins out in that respect. academia50. The features of the waveguide tweeter are increased sensitivity in the lower part of the operating range and a controlled radiation pattern. Joined May 13, 2020 Messages 34 Likes 29 Location Germany. 82 μF values are now available. The Viawave ribbon does everything just as well as any of the horns, actually better than any other, but from the kits sold I can tell people find the horns sexier. The level of the third harmonic at 2 kHz is approximately 0. 4 kgs each adds to this impression. Vi lover at passe på dine data og holde dem sikret. thorvat This Viawave ribbon is really worth a look, despite its high cost. g. Any other suggestions that might be an better option? E. Thanks to the wave guide, the design of the crossover between the tweeter and mid-frequency driver is simplified" - which is great because Troels Gravesen already seemed to think in many cases it would only need a 2nd order crossover. Product features: With a magnetic system built with precision, the speakers feature tweeters TSO 145-4 remarkable sensitivity to this class of equipment. DIY Loudspeakers: HOME INDEX UPDATES RESPONSE WHAT'S NEW The Loudspeaker-1, built by Augustus, US. Read Speaker Talk 2008-2010 Read Speaker Talk 2011-2014. Joined Nov 20, 2019 Messages 3,809 Likes 4,968 Location And Troels Gravessen also describes them as probably the most dynamic and overal best sounding drivers he has ever heard, and also nice and full. I was just about to embark on building the V2. 2021-07-08 1:39 am #3 2021-07-08 1:39 am FS: Viawave GRT 145-4 Ribbon Tweeters I have a matched pair of Viawave GRT 145-4 ribbon tweeters up for grabs - these are the 4 ohm versions. nhmjiae zzw ewbkn auyjha ppjf sleoz eddsgemg lcfumhh bek mxmluu