The tweeter is still too hot and I think I see a baffle step issue. Even so, there is quite a bit of difference. We could very quickly hear that any type of waveguide, clearly. Features : • Flush mounted surround and rear mounted magnet system mode for flat frequency response and wide off-axis response • No ferrofluid for improved dynamics I'd say it is my all-time favorite tweeter. Can be associated with the mounting model: PF1. The first product being released by BlieSMa is a 34 mm tweeter, the T34A-4. Member. It is easy to understand why Ergo with his custom matched waveguides still prefers to use 10 degrees as the design axis- I have seen this behavior with many experimental configurations for the DA25. Testing 34 mm AlMg dome T34A-4 from BlieSMa/Germany. In part 2 of our monitor mini series we look at the driver choices we made - the BlieSMa T25S-6 tweeter, M74S-6 mid driver, Dayton Audio RS225-4 and RS315-HO. The Illuminator tweeters continue on with the heritage of the renowned Revelator series. €219. Same goes for SB26ADC/CDC. I want to hold on to that 200Hz crossover to keep the most important midrange band in one driver. THD at 100dBSpl is about 1% for the ScanSpeak - Bliesma 0,1% at 1kHz. Midbasses: Dayton Designer DSA175-8 6. The small deviations in the. Additional info:At least the step on the tweeter's front panel was still there when Stereophile wrote their review. Tweeters. 5 of 4 Spaciousness 3. So many mfg's will state "linear" excursion, but that is based on geometry of voice coil vs gap height and/or +10% delta. 2022-09-01 5:18 pm. The tables will be updated continuously. Front stage: 3 way Steg Masterstroke MSS 6 IB, MSS 3 and MSS 1. The Bliesma is available with the same motor design in other cone materials (and the scan is available in silk as well or a ring version). Free delivery worldwide by DHL Express service. Test Bench has previously featured two 34mm dome tweeters from BlieSMa: the T34A aluminum-magnesium alloy dome tweeter in the June 2018 issue of Voice Coil, and the T34B Beryllium Dome tweeter in the March 2019 issue of Voice Coil. BlieSMa’s first tweeter offering, the T34A-4 34 mm aluminum/magnesium alloy dome, appeared in Voice Coil’s June 2018. The availability of 4-inch waveguides would limit the choice of the tweeter to a SB21 or SB26 from SB Acoustics or the CSS LD22. They have built their reputation extremely quickly for building tweeter designs that are at the forefront of driver design. Best tweeters for 2 way. The Bliesma T34A-4 1-1/2" Aluminium-Magnesium tweeter belongs to the absolute best of this market. SS - 5,4g membrane weight. High-sensitivity tweeter with 34-mm aluminium-magnesium alloy dome. Qts = 0. Flush mounted surround (also made of fabric) and rear mounted magnet system result flat frequency response and wide off-axis diagram. Wishlist Compare CA$456. Just bear in mind that the Seas pumps 1,026cm3 of air, within linear p-p limits. IMPORTANT NOTE !!! Our official distributors in Europe are : The main purpose of a waveguide is to restricts the tweeters dispersion to say 120 degrees, such that it matches the dispersion of a cone midrange driver at the crossover frequency. which Tweeter?: 1) seas DXT to control lateral dispersion and reduce early reflection (1550Hz LR4 via DSP?) 2) Bliesma 1. ScanSpeak Illuminator D3004/6040-00 Tweeter Textile Dome. The extremely lineair frequency response and its amazing wide dispersion is unmatched by any other tweeter. The Be version looks very promising. it has the best dispersion out to 3 to 4 KHz;. Here some more data (2x 3"! So 6dB louder as one). zon001. Wavecor BlieSMa Ardent. The speaker cabinet is a tower of 109 cm high, 45 cm wide and 40 cm deep. In the full-sized beryllium dome tweeter realm, the Satori TW29BN is probably the best for the buck (still expensive, but you get a lot). $921. I recommend precision routing both sides (if you use MDF). 17uF 100V Electrolytic Non-Polarized Crossover CapacitorElectrolytic non-polarized (bi-polar) capacitors are perfect low-cost solutions for use in passive speaker crossovers. For the prominent rear tweeter (a ferrofluid type Excel T29MF001) I milled out a small circular chamber into the inside plywood plane, so the faceplate of the tweeter became flush with the wooden. The measurements of a pre-production sample of the BlieSMa T25A-6 tweeter. 60*. The THD measurements at distance of 315 mm and voltage levels 2 - 11. Verified account Protected Tweets @ Verified account Protected Tweets @ Language: English. The speaker cabinet is a tower of 109 cm high, 45 cm wide and 50 cm deep. Newk Yuler Active Member. This article was originally published in Voice Coil, September 2021. Slightly different dome profiles, the AL being more rounded. If available, the IEC baffle measurement and the Leap transducer model is added in the list. 20 shipping. Especially if the WGs can be generated in a semi-automated optimization process, to me this seems like a low-ish incremental cost on top of developing and. The Bliesma T34A-$ is an exceptional Aluminium-Magnesium tweeter. 5 PR passive radiators and the Bliesma T34B-4 Beryllium tweeter. The Loudspeaker has been sold and packing these monsters in two pallet crates is something I'll try to avoid in the future. You don't need to print/cnc/modify like in most cases. Also need to calm down and focus on fixing up the house some; End gush post; photos attached; View attachment 849397 View attachment 849398 View attachment 849399 View attachment 849400. The THD measurements at distance of 315 mm and voltage levels 2. That´s why the Bliesma M142-6. The tweeter is crossed at 3750hz (1o 6d/octave) and attenuated with an adjustable lpad. ScanSpeak Illuminator D3004/6040-00 Tweeter Textile Dome. Scanspeak 6640,. The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. Bliesma tweeter mated with a waveguide to optimize the off axis / power response integration with midwoofer. This month I am characterizing the SB29BNC beryllium 29 mm dome tweeter from SB Acoustics. I have earlier tested Seas DXT vs T34b and DXT didnt sound bad in comparison. Wishlist Compare CA$472. It is this same feature that causes it to perform worse in an elliptical or any other waveguide with a narrower wall angle. The black matte paper dome material is quite hard, while the silk dome is noticeably soft and looks very similar to the dome material of the BlieSMa T25S-6 silk tweeter. A new build thread with. • Extremely low moving mass for better transient response and higher efficiency. I'm waiting for the B but Bliesma doesn't get the membranes at the moment. 80 €289. Clean signal. I worked backwards from performance and since I wanted to mate it with a purifi 6 in a 2 way the 34B was the one for me. But here are the two 34mm BlieSMA tweeters that are exciting people. 0% Total voters 3; Focal ES 165KX2 Tweeter VS BLIESMA T25B-6 Tweeter. 1000d amp. BlieSMa was founded January 16, 2018, by Stas Malikov. I fully agree that the Be tweeter needs a careful listening test as it is the best candidate to replace the Silk tweeter. I hope Bliesma keeps it up and releases a Super version with a lower Fs and a crossover range around 380-400hz like the ATC75. Whether one thinks it’s good value it’s different matter. I prefer the A cause I want precision from a mid dome. It has 3mm of xmax. Assuming that both tweeters are deployed around 2 kHz and should be able to play loud, THD in the upper. Test Bench: A New Beryllium Tweeter from BlieSMa. 75 kg. See less See more 2021 Tesla Cybertruck (future build coming late 2021): Custom 11. Beryllium domes may have similar on-axis response like soft domes, but the off-axis is usually different. Have you looked at the Bliesma T34B Beryllium dome tweeter? See Brandon's (aka augerpro) excellent results below in his 3D printed waveguides. I decided to use CNC/solid 6061. The THD measurements at distance of 315 mm and voltage levels 2 - 11. The Bliesma get's 107dBSpl - way higher sensitivity. Other design goals: It is a known that these speakers will be augmented with subwoofer for frequencies below 80Hz The speakers must be able to play well also at low listening levels as the "client" - ie my friend likes to listen to music. Concept: Midwoofers in closed box. This month, I received the company’s second offering, and it seems logical that this driver, the T34B-4, is a 34 mm beryllium dome tweeter (see Photo 1). The drivers are Bliesma T25B-6 and Purifi PTT6. PKAudio. Perhaps a waveguide from @augerpro is in the works. I even put it in a waveguides so pod size was secondary. Joined 2006. Drivers: 2x SB acoustics MW16P-8. The Bliesma T34B-4 1-1/2" Beryllium tweeter is the upgraded version of the T34A-4. This is important to consider. 83 - 8 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 800 Hz cutoff, HPF2-800) The THD measurements at distance of 315 mm and. 83 - 8 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 800 Hz cutoff, HPF2-800) The THD measurements at distance of 315 mm and voltage level 11. Wavecor TW022WA05 Fabric Dome tweeter. Choosing a Bliesma T25A tweeter with an outer chassis diameter of 68mm, you will get center-to-center distances of 95mm for the Bliesma combo, and of 122mm for the Purify combo. The brand nes Bliesma is certainly a nice driver and better than most other tweeters, but not overwhelmingly better. Focal ES 165KX2 Tweeter VS BLIESMA T25B-6 Tweeter Focal ES 165KX2 Tweeter Votes: 0 0. In terms of imaging, it positions vocals and percussion "further away" compared to the other tweeters. Comparing to Accuton Diamond tweeters the BlieSMa Diamond version certainly is not so bright, more relaxed. Jon Marsh over at HTGuide is building a passive 3 way with Bliesma tweeters, Purifi 6. The Bliesma T34 is better in every aspect, it is a good option at a lower price if you do not need high spl. Other. •••The Bliesma T34 tweeter is one of the best innovations in 104mm faceplate dome tweeters in a long time. Ok, here are the 8" waveguides for the T34B. 83 - 8 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 800 Hz cutoff, HPF2-800) The THD measurements at distance of 315 mm and. Woofer is Seas L26ROY XM001-04 and amp Hypex FA123. zon001. (1) Scanspeak 2104/7120 3/4" Revelator tweeter. That makes it a driver without parallel. Free delivery worldwide by DHL Express service. They are very easy to blend and a lot of fun to listen to. the setup is far from optimized but that's part of the fun! Building is 60x40x16 feet. Impedance of the two tweeters, Fs ~800 Hz on average. The T34 tweeter. I had to buy all of the gold "Female Disconnect" sizes since none of my drivers are the same. They are done using measurement from a cabinet with passive radiator. BlieSMaWhat is on the test bench? In February, 2018 we tested the first BlieSMa (Germany) product - aluminium-magnesium 34 mm dome tweeter T34A-4. Subs: 2 x Scanspeak Discovery 10" in Underfloor Sealed Enclosure. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU->Helix Pro2. Midbasses: Dayton Designer DSA175-8 6. Before this I had the SB-Acoustics Satori TW29BN. Bliesma also has a huge 3" voice coil - will take some power. 00 USD) per pair. What Tweeter would you recommend under $600 that you personally feel can compete with this listed options I gave? Reply. Enough to avoid any problems. It really is a game changer for tweeters, with it’s 34mm dome, 3mm excursion, wide dispersion and extremely linear frequency response it’s. Already one of the top beryllium tweeters on the market. Offering an even more linear frequency response and the benefit of a resonance peak that lies beyond the. My conclusion is that Bergfinn heard the distortion from the dents in T34a and that they therefore sounded like 15 USD metal dome tweeters. $400 shipped, includes PayPal fees. Not easy! Packed 125 kg/ea. 91 dB. $275. Had them installed in dash pods. Bliesma T34B-4 tweeter. By around 5 degrees. #3. This article was published in Voice Coil, March 2019. 83V/1m. I requested a replacement back chamber for the one tweeter as a good solution to the issue of poor. I'm not sure whether it will be Bliesma or Purifi. Now that my back chambers are re-attached, there is a new issue. But I think it is clear that it is not a flat faceplate and thus the tweeter directivity is not purely determined by the dome and piston movement, as for example in the Bliesma tweeter shown above, but the. 5" midbass to a typical tweeter. Yes. You can see the tweeter response with the cap is ~87dB, which was close to woofer sensitivity, and the mild tweeter sensitivity adjustment during tuning by listening was done in DSP. Scan Speak Silver Series 10M/4614G06 3″ Fiberglass Cone Midrange –. Basically, the new D2098 utilizes the Revelator D29 dome’s wide surround concept, but with a 99% pure beryllium. Wolf Addicted to Fun and Learning. We are a UK distributor for the highly acclaimed BlieSMa tweeters. I haven't heard a single thing about the Bliesma beryllium, or bliesma. Morel tweeters are in the same high quality league as any other reputable manufacturer. Minimal tools required. #4 · Nov 20, 2022. In this edition, Vance Dickason writes about the range of DSP Active Line Level Crossovers available from Danville Signal. Always use a capacitor to protect the tweeter even if you swear you do not need it. FWIW, every SB Acoustics driver I have tested to date clocks in at about HALF of their spec'd one way "linear" excursion, one-way. Originally posted by augerpro View Post. Most tweeters use a tiny wave-guide to support the radiation in the upper frequency range, the Bliesma tweeter does not. 83V makes this driver pretty unique. However, if you can source the Viawave tweeters elsewhere, Jantzen Audio can offer both the 4-ohm and 8-ohm tweeter versions of the DIY kit, with or without the Purifi mid-woofers included. It requiere attention, as you already noted. See new Tweets. Joined 2006. 00 Canadian Dollars (around $530. Bliesma T25B-6. The Bliesma T34B-4 1-1/2" Beryllium tweeter is the upgraded version of the T34A-4. . BlieSMa T25A-6 25mm Aluminum dome tweeter 6 Ohm The measurements of a pre-production sample of the BlieSMa T25A-6 tweeter. No good hearing a compression driver slap around when the power flickers and you know those drivers are likely dead now. even with the Bliesma tweeter. Item: Pair Bliesma T34A Tweeters Location:Brisbane Price: RRp$1200 sale $600 Item Condition:New Reason for selling: Payment Method: Pickup - Cash, Paypal, COD Only Extra Info:will post Pictures: Item: SB acoustic TW 29B Tweeters Location:Brisbane Price: RRp$950 sale $450 Item Condition: Basically. Stereo Integrity SQL 15 IB run by Audio System F2. The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. BLIESMA T25B-6, Beryllium 25mm Dome Tweeter. I do not have the dome profile. and buy; based on the measurements provided by Bliesma, thus far. 32W distortion is very good and low up to midrange. eu The first product being released by BlieSMa is a 34 mm tweeter, the T34A-4. Expected ETA is mid-February. Accuton C90-6-079, check. I don't really have the option to hear any of them so I need to hear opinions from people that can and have more knowledge. I think the idea is to make it smoother sounding by reducing intermodulation distortion that can affect the frequency response down hearable range, and reduce tweeter range it has to play. Post subject: Re: Bliesma T25A-6 & T25B-6 Tweeters. . 3'') voice coil, has the dispersion characteristics of a 19mm (0. SHIPPING: Included, Fedex ground. A dome midrange has 180 degrees dispersion at the crossover frequency. This edition's Test Bench characterizes three new 25mm high-frequency tweeters from BlieSMa, using silk, beryllium, and diamond domes: BlieSMa’s T25S-6, T25B-6, and T25D-6. Joined Nov 21, 2020 Messages 512 Likes 551 Location Indiana. The large surface area combined with a Peak to Peak excursion of 3mm gives this tweeter the ability to be safely used down to 1300Hz. I would consider also tweeters with plastic, removable faceplate. Brax Graphic Pro 6. Bliesmaの25シリーズがかなり良さそうでしたが、サイズが大きすぎて段差のないアダプタ作成が不可能で諦めましたThe measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. BlieSMa T25A-6 25mm Aluminum dome tweeter 6 Ohm The measurements of a pre-production sample of the BlieSMa T25A-6 tweeter. It can be a bigger floorstanding speaker but no refrigerator. Frequency response of two tweeters on a 60 x 100 cm baffle. 00 Canadian Dollars (around $530. 2022-01-15 11:05 am #41 2022-01-15 11:05 am #41 Alu dome shape is quite different from the Be I think, so it would need a different waveguide I. The THD measurements at distance of 315 mm and voltage levels 2. I don't really have the option to hear any of them so I need to hear opinions from people that can and have more knowledge. By its construction the new tweeter is exactly. Top. (218 Kb) Free delivery worldwide by DHL Express service. Test area shown below. There might be more compelling options out there for both units, this thread has spent some time on one such option for the Scan. jcga. Wavecor TW030WA11 Fabric Dome tweeter. Flexible and lightweight lead wires made in Denmark. It will be a 2way + rearfill and sub. However, the simulations are closer to the behaviour of the Bliesma-Al version than the Bliesma-Be version, because the former behaves more like an ideal 34mm tweeter. 318,00 € 265,00 € tax excl. Test Bench: The T34A-4 Tweeter from BlieSMA. 20211115205839_Fig12-BlieSMa-High-Frequency-Transducers. Thanks to a fully saturated neodymium motor with copper sleeve it features low non-linear and modulation distortion. Enough to avoid any problems. For me, the most. Cymbals are rendered with impressive realism. SB21SDC/RDC seem very good for low budget tweeters and faceplate is removable. I'm not sure whether it will be Bliesma or Purifi. The netto internal volume is 125 L and the woofer and lo. The two I always go back to are the Seas T35C002 and Audax TW025A28. Whether you use OB or closed a very. 1000d amp. 2015 GMC - BliesMa T25B pillars, Dynaudio e430 dash, dual Dayton 7" ES180-Tia woofers in aperiodic door boxes, underfloor sub box Alpine R 15", Stock HU ->NavTV->Helix Ultra, Brax, RF amps 2006 Chrysler 300c - BliesMa T25B pillars, Xcelsus XXM325 Dash, Satori 9. 80 €289. Due to unavailability of the Viawave ribbon tweeters, Jantzen Audio can no longer supply the complete kit. THD at 100dBSpl is about 1% for the ScanSpeak - Bliesma 0,1% at 1kHz. Subs: 2 x Scanspeak. Unfortunately due to its ultra small "discharge volume", plasma tweeter produce tremendous amounts of H2 distortion and Intermodulation as well, so you need to cope with that in order get a 100% replacement, sound wise. I was just talking to Solen Electronics, and they told me that they currently have the BlieSMa T25B tweeters on order. 5 (2000w peaks) bandpassed. They do not accidentally costs more. Also included a new 6". Have a look at the specs yourself:. 5” with lower resonance fs, lower xover point, lower distortion better off axis integration 3) Viawave GTR 145, excellent but need higher xcrover point, I’m concern on off axis integration. 83 -11. Used for about one year. Cone / Dome Diameter 34mm. Founded in 1970, Scan-Speak continues to offer the same “no compromise” philosophy that has always been a part of its mission. Bliesma produces fantastic products (I personally own the T25-6 tweet), but for car audio purposes, this. 5way design (lower woofer helps compensate baffle step, but is rolled off before upper woofer) Bliesma tweeter mated with a waveguide to optimize the off axis / power response integration with midwoofer. This horn is taken from Visaton tweeter TL 16 HBlieSMa T25D-6 | HiFiCompass The THD measurements at voltage levels 2. Waveguide for the BlieSMa T25B-6 (T25D-6) tweeter. The tweeters reset what is possible from a tweeter with very wide bandwidth and linearity. I already shared all the details here. However, IMO the BlieSMa T25B-6 Beryillium tweeters are far better if you want the ultimate in detail and resolution. Something like the Bliesma T34B has much better performance regarding THD and control of resonances (though also in a different price category). Or 4) Which is your ? I consider buying Bliesma's from him guess I'm glad I didn't lol. Thick aluminium powder coated flange. Download T34B-4 specs here. The harmonic distortion of this transducer is low, better than -55 dB between 2200 and 8000 Hz at 2. The advantages of active DSP. I’ve seen 1” dome tweeters from Beliesma and Scanspeak that have off axis dispersion better than some 3/4” tweeters… you would think the smaller tweeter is always better but I guess there are factors like surround size, etc. Notice the Focal tweeters (Silk Dome) have a higher price tag compared to the Beryllium, Focal near $600 while the BLIESMA T25B-6 is around $250-300. 83 - 8 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 800 Hz cutoff, HPF2-800) The THD measurements at distance of 315 mm and. 95 kg . The extremely lineair frequency response and its amazing wide dispersion is unmatched by any other tweeter. Product description. Power Handling (RMS) 80 W. 75'') dome. I thought this was a really neat writeup about some high-end tweeters. Otherwise, in 10 years Bliesma will be history and we will go on resorting to robust workhorses such as the aforementionned Audax TW034. which Tweeter?: 1) seas DXT to control lateral dispersion and reduce early reflection (1550Hz LR4 via DSP?) 2) Bliesma 1. 83 - 8 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 800 Hz cutoff, HPF2-800) The THD measurements at distance of 315 mm and. 2015 GMC - BliesMa T25B pillars, Dynaudio e430 dash, dual Dayton 7" ES180-Tia woofers in aperiodic door boxes, underfloor sub box Alpine R 15", Stock HU ->NavTV->Helix Ultra, Brax, RF amps 2006 Chrysler 300c - BliesMa T25B pillars, Xcelsus XXM325 Dash, Satori 9. I read somewhere that it would be beneficial to make lowpass for the tweeter. Features : • 34mm beryllium dome with variable thickness for ultrasonic first breakup mode. I can't imagine this company will last long, because their driver costs must be out-of-this-world. 2. Yes there is usually a sound difference between cheaper and high priced tweeters. Erin's Audio Corner reviewed the Perlisten 4B here: Perlisten S4b Bookshelf Speaker Review. PRICE: $600. 2. “A warm #BCLeg welcome to the participants of the @UBCDemocracy Summer Institute for Future Legislators! Best wishes for your proceedings over the next. Because the Bliesma tweeter has a "difficult radiation pattern". Cross over to the M74 at around 700-800hz and you will be fine. 5" midbass to a typical tweeter. Perhaps try moving the tweeter resistor after the crossover (up next to the woofer)? However that being said, 18ohm is a fairly. 2. The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. Soft domes are not true pistonic drivers like hard metal domes. Joined Mar 5, 2019. Reply Quote. I prefer it even to the more expensive Bliesma T34A. This WG was used with Bliesma. 3kHz. The two popular high end tweeters seem to be the Scanspeak D3004/6040 and Bliesma T25-6b these are both Berrylium dome tweeters. Bliesma also has a huge 3" voice coil - will take some power. The Illuminator tweeters continue on with the heritage of the renowned Revelator series. Prior to starting BlieSMa, Malikov worked at Ultrasound Technologies, at Morel as a QC manager and a. 5 of 4 Dynaudio MF171 Midrange paired with MT171 tweeter and ScanSpeak D3004 Silk tweeter Tonality 3 of 4 Detail 2 of 4 Spaciousness 2 of 4 Harshness ( lack of. It's not a magnitude better in all terms, but slightly better in some terms compared e. Mids: Satori MW13P-4 5" (Factory Door Locations). BLIESMA: Tweeter Type: Beryllium Dome Tweeter: Cone / Dome Diameter: 34mm: Impedance: 4 ohms: Power Handling (RMS) 80 W: Frequency Response: 1300 - 40000 Hz: Sensitivity: 97. The Bliesma get's 107dBSpl - way higher sensitivity. 2022-10-17 5:19 pm. The fronts are currently paired with ScanSpeak Illuminator D2004 tweeters and Dynaudio MW182 midbasses. Front stage: 3 way Steg Masterstroke MSS 6 IB, MSS 3 and MSS 1. #1. Concept: Midwoofers in closed box. By its construction the new tweeter is exactly the same as the previous one, except for the material and shape of the membrane. 13 December 2019, 12:16 Friday. Up to 20kHz, the Bliesma tweeter shows very good agreement with an simulated "ideal tweeter" of similar dimensions - as shown in the posts above. Figure 1: This is a cutaway drawing of the Bold North Audio. 3, Vas = 25 liter. High-sensitivity tweeter with 34-mm aluminium-magnesium alloy dome. For nearfield and having that Bliesma tweeter, personally I'd stick to a closed box 2 way. After 3. Thread starter hugo stiglitz; Start date 2018-03-13 11:53 am; Prev. 11-16-2021, 08:08 AM. BLIESMA T34A-4, Aluminum/Magnesium 34mm Dome Tweeter. . €376. This is an unusual driver, but it has some serious lower midrange / upper bass capability. Simultaneously Excellent dispersion and low end extension. Available from BlieSMa, Germany, an extension of the dome tweeter product range by a 34 mm Beryllium version of the tweeter tested a few months ago. Also some interesting transducers are added. BlieSMa. Offering an even more linear frequency response and the benefit of a resonance peak that lies beyond the 30kHz. 0X04-NFC-01 paper midwoofer and 1" BlieSMa T25B-6 beryllium tweeter. The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. Tower is driven by Hypex 503 (rear baffle). The THD measurements at distance of 315 mm and voltage levels 2 - 11. The 29HD2 is smooth & mellow yet detailed. As a far comparison, the Audax TW034 is "ok", but it sounds like sandpaper on concrete compared to the Seas T35. 83 Vrms. Passive is also a possibility, but will need larger cabinets of course. I'm not very surprised that the right side sounds much better than the left. BlieSMa Diamond T25D-6 tweeters comparing to Be ones have even more resolution, space and air, more timbres and softer percussion. Concept: Midwoofers in closed box. 71 + $33. Offering an even more linear frequency response and the benefit of a resonance peak that lies beyond the 30kHz. It really is a game changer for tweeters, with it’s 34mm dome, 3mm excursion, wide dispersion and extremely linear frequency response it’s an easy to use driver that can be used safely down to around 1. 5W0* drivers. Go. The BlieSMa tweeter displays typical issues on axis with reflections causing deep in the response around 10kHz. But for enjoying listening the S is perfectly fine. JBL 580 vs Bliesma/ETON vs Yamaha (the Yamaha cuts out by 3khz so judge between 500hz and 3khz) The levels were not matched. Tweeter is BlieSMa T25B crossed at 2750hz LR4 passiv.