CONDITION: Used - on a scale of 1-10: 10. The small deviations in the. The speaker cabinet is a tower of 109 cm high, 45 cm wide and 40 cm deep. A 34mm (1. It sounds like a rubbing VC, so I ran quick impedance sweeps on the. PRICE: $600. The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. Now let's look at the behavior of the T25S-6 used in the speaker (again compared to an ideal tweeter): If you're going to jump up to a large format beryllium dome tweeter you would be much better off going with the Bliesma T34B-4's, which are arguably the best full-format dome tweeters made at the moment. Tweets: Bliesma T25S-6 Silk-Dome 1" (Modded Factory A-Pillar Locations). Click to expand. Last edited:. A new build thread with Drivers: 2x SB acoustics MW16P-8 Bliesma T34B-4 tweeter. A new build thread with. This is important to consider. I'm thinking about making a better LX521 using Bliesma tweeter and 4" Purifi and hopefully an eight inch also from Purifi. BlieSMa, located in Blieskastel, Germany, was founded January 16, 2018 by Stas Malikov. The Bliesma T34B-4 1-1/2" Beryllium tweeter is the upgraded version of the T34A-4. 00 USD) per pair. 16 g), offering better transient responce and higher efficiency. Due to the special construction of the diaphragm, the tweeter, despite its 34mm (1. 2kHz to. BlieSMa T34B-4 Beryllium Dome Tweeter. This article was originally published in Voice Coil, September 2021. Dotten = broken ringing sound, Solid = clean sound. 5 years collecting drivers they are all in house, so time to order crossover components. Perhaps a waveguide from @augerpro is in the works. It is a larger dome then the competitors so it's off axis dispersion is of course slightly worse in some cases, which is the tradeoff for a 34 mm dome tweeter. Enough to avoid any problems. . High-sensitivity tweeter with 25-mm beryllium alloy dome. . €186. Right is the tweeter I referred to, which costs less than 6. The harmonic distortion of this transducer is low, better than . Wavecor WF182BD03 midwoofer. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU->Helix Pro2. The transducers are the 15 inch Acoustic Elegance TD15H-8 as woofer, the 8 inch Acoustic Elegance TD8M-8 as lo-midrange, the 3 inch dome Bliesma M74B-6 as hi-midrange and the Bliesma T25B-6 1 inch dome tweeter. 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. 60 * Free shipping! Compact tweeter with 25-mm silk dome. Purifi Audio PTT6. Waveguide for the BlieSMa T25B-6 (T25D-6) tweeter. M74B-6 price: $745 each. Selena Gomez News @SGomezNewsCOMs. FI: BlieSMa T25B - High-sensitivity tweeter with 25-mm beryllium alloy dome. In this edition, Vance Dickason writes about the range of DSP Active Line Level Crossovers available from Danville Signal. Test area shown below. The first product being released by BlieSMa is a 34 mm tweeter, the T34A-4. The Bliesma T34A-$ is an exceptional Aluminium-Magnesium tweeter. I also suspected that a 3k crossover would lead to a better DI curve given the size of the Eton mid and the very close spacing to the Bliesma tweeter. Jon Marsh over at HTGuide is building a passive 3 way with Bliesma tweeters, Purifi 6. zon001. Cymbals are rendered with impressive realism. 5k on one of the driver's. Product description. 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. 13 December 2019, 12:16 Friday. The entire system sans subwoofer is powered by a Helix V Eight DSP amplifier. . Free shipping! Add: BlieSMa. Save Share. Minimal tools required. Flux density 2,2T vs 1,5T. Broken ring. 2 Audio System Twister F4-400 amps. Shout out to the bliesma T34A tweeter, amazing distortion measurements and can take a beating. Perhaps try moving the tweeter resistor after the crossover (up next to the woofer)? However that being said, 18ohm is a fairly. yamaha ja-0801 only. What Tweeter would you recommend under $600 that you personally feel can compete with this listed options I gave? Reply. I recommend asking Bliesma for the 3D file. This beryllium BliesMa is with no doubt the best dome tweeter on the market. Figure 1: This is a cutaway drawing of the Bold North Audio. BlieSMa, located in Blieskastel, Germany, was founded January 16, 2018 by Stas Malikov. This is the second high-end 29 mm beryllium diaphragm neodymium dome sent by SB Acoustics for Test Bench. MZKM said: Wavecor tweeters are good, but very narrow dispersion. 1 - 20 of 21 Posts. 5 dBThe Bliesma T34B-4 is an beryllium tweeter which offers an upgrade over the already brilliant T34A-4. Yes. Joined Nov 21, 2020 Messages 512 Likes 551 Location Indiana. . The netto internal volume is 125 L and the woofer and lo. THD at 100dBSpl is about 1% for the ScanSpeak - Bliesma 0,1% at 1kHz. The Bliesma 3" mid is totally comfortable crossing at 400hz, which very few dome mids can do (as it stands, I think that's ATC and Bliesma silk). The only signs of wear are around recessed screw holes. BLIESMA T34A-4, Aluminum/Magnesium 34mm Dome Tweeter. 5 years collecting drivers they are all in house, so time to order crossover components. Beryllium domes may have similar on-axis response like soft domes, but the off-axis is usually different. Not sure exactly to explain this. The measurements of a pre-production sample of the BlieSMa T25A-6 tweeter. A new build thread with. This driver was designed to meet requests for a precision tweeter with a low crossover point, ideal for use in a two-way system paired with a 6. They have built their reputation extremely quickly for building tweeter designs that are at the. J. This is an older thread, you may not receive a response, and could be. The beryllium version should only have a small touch of «silk oil» in adittion. 00 Canadian Dollars (around $530. This WG was used with Bliesma. 5" in Ported Underseat Enclosures. 2 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 800 Hz cutoff, HPF2-800) . Of course a small dipole TW is perhaps better but, for several reasons, I do not like them. Accuton C90-6-079, check. Ogive support tweeter for tweeter Bliesma 68mm : T25A-6, T25S-6, T25B-6, T25D-6. The THD measurements at distance of 315 mm and voltage levels 2. If you still feel you need to tame those peaks a bit, why not try single noch with higher bandwith/lower Q set at geometric center between peaks at 15,5 kHz. 5W04 woofer, PTT6. Just clamps, a drill, sandpaper, miter saw, allen wrench, and a soldering iron. 75 kg. Concept: Midwoofers in closed box. Underhung voice coil wound on titanium former. The two I always go back to are the Seas T35C002 and Audax TW025A28. Will finally be building the final cabinets this month. BlieSMa Diamond T25D-6 tweeters comparing to Be ones have even more resolution, space and air, more timbres and softer percussion. The bulk of the price is still the tweeter itself and not the wg, it's only 40$ more than the non-waveguided version. 2. The speaker cabinet is a tower of 109 cm high, 45 cm wide and 50 cm deep. The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. Scan Speak Silver Series 10M/4614G06 3″ Fiberglass Cone Midrange –. Brax Graphic Pro 6. $400 shipped, includes PayPal fees. 13 December 2019, 12:16 Friday. and buy; based on the measurements provided by Bliesma, thus far. The other one had its chamber loose, ready to fall. 5dB more efficiency. Good drivers, as expected of a Scan-Speak Revelator and Bliesma. BlieSMa T25A-6 25mm Aluminum dome tweeter 6 Ohm. Hi Diyma, Selling a pair of Bliesma T25B-6 Beryllium tweeters. BlieSMa T25A-6 25mm Aluminum dome tweeter 6 Ohm The measurements of a pre-production sample of the BlieSMa T25A-6 tweeter. By around 5 degrees. 00 Canadian Dollars (around $530. You don't need to print/cnc/modify like in most cases. Nothing like power blips to cause LF to sneak into the output. Prior to starting BlieSMa, Malikov worked at Ultrasound Technologies, at Morel as a QC manager and a. I don't. 5 of 4 Dynamics 3. Also, the Bliesma was on sale for black Friday. Available from May 2018, the T34A-4 is a 30 mm metal aluminum/magnesium alloy dome tweeter with a substantial feature set that includes extremely low moving mass, and a fully saturated neodymium. 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. No immediate plans for such experiments, so please do not ask. Bliesma also has a huge 3" voice coil - will take some power. Best tweeters for 2 way. Sensitivity 97. Evolution of Pharaoh project, which has led to designing of new crossovers and going up. BlieSMa T25B-6 Beryllium Tweeter | 1" | Matched Pair Flush mounted surround and rear mounted magnet system for flat frequency response and wide off-axis response. Bliesma 3" domes info released. 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. Front stage: 3 way Steg Masterstroke MSS 6 IB, MSS 3 and MSS 1. Seas (yes, still sourced) graphene, here W16nx3 in WWWWWMTMWWWWW-line. Used for about one year. In terms of imaging, it positions vocals and percussion "further away" compared to the other tweeters. 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 first product released by BlieSMa is the T34A, a 34 mm tweeter. I recommend precision routing both sides (if you use MDF). €376. Features : • 25mm silk dome and silk surround, each made from its own fabric for better sound quality • Extremely low moving mass for better transient response and higher efficiency • Fully saturated neodymium motor with copper sleeve for low non. Tweeter is Bliesma T-34B in wave guide. Flush mounted surround (also made of fabric) and rear mounted magnet system result flat frequency response and wide off-axis diagram. (4cm thick walls, closed with about 10cm radius roundover) Reactions: headshake and Biblob. €219. 5X08-NFA-01+Viawave SRT-7)Well, I'm going to point out the fact I'm BEYOND FRUSTRATED with these stupid tweeters. 11-16-2021, 08:08 AM. BlieSMaWhat is on the test bench? In February, 2018 we tested the first BlieSMa (Germany) product - aluminium-magnesium 34 mm dome tweeter T34A-4. You might also be interested in: BlieSMa T25S. Top. The Bliesma 25mm Diamond or Beryllium tweeters could also be an option (on a waveguide). In this case 32W gives ~86dB/2. Remarks : Internal thread M3 (fixing tweeter) and M4 (fixing support Comet) are to be carried out by. Select by tags: All Popular Beryllium. I decided to use CNC/solid 6061. ADDITIONAL INFORMATION: Beryllium dome, oversize 34mm. . Erin's Audio Corner reviewed the Perlisten 4B here: Perlisten S4b Bookshelf Speaker Review. The driver that really shines though is the tweeter. Verified account Protected Tweets @ Verified account Protected Tweets @ Language: English. I thought this was a really neat writeup about some high-end tweeters. They are excellent tweeters with great power handling and detail. Peerless DA25TX00-08 1" Corundum Dome Tweeter. . . Crimping it is! The BlieSMa has gold connectors and I wanted to show it some non-corrosive love. 60*. The difference is more pronounced than the difference I heard upgrading to the Bliesma tweeters from a nice set of silks, probably. Bliesma tweeter mated with a waveguide to optimize the off axis / power response integration with midwoofer. BlieSMa T34B-4 Beryllium Dome Tweeter Matched Pair. Sd = 180 cm^2, that is more surface area than a 7" woofer, and almost as much as an 8" woofer. 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. I can't imagine this company will last long, because their driver costs must be out-of-this-world. Bliesma t25b + ETON 3-212 only. Also included a new 6". Product description. "One thing that I will say is a huge benefit of a metal dome tweeter over soft dome tweeter, which often doesn’t get talked about in this debate of smooth versus metallic sounding is power handling because the voice coil, is connected directly to an aluminum former that it’s wound on, which is now directly bonded to the metal dome. The predecessor was a game changer for tweeters, with it’s 34mm dome, 3mm excursion, wide dispersion and extremely linear frequency response. This is a subjective, qualitative, sighted evaluation and comparison of a prototype pair of March Audio Sointuva loudspeakers with Purifi woofers and Bliesma tweeters. Go. T34B-4 34mm Beryllium Dome Tweeter; T25A-6 25mm Aluminum-Magnesium Alloy Dome Tweeter T25S-6 25mm Silk Dome Tweeter; T25D-6 25mm CVD Diamond Dome. So many mfg's will state "linear" excursion, but that is based on geometry of voice coil vs gap height and/or +10% delta. 20 shipping. After 3. Rick Sykora Major Contributor. This is an unusual driver, but it has some serious lower midrange / upper bass capability. Most tweeters use a tiny wave-guide to support the radiation in the upper frequency range, the Bliesma tweeter does not. My conclusion is that Bergfinn heard the distortion from the dents in T34a and that they therefore sounded like 15 USD metal dome tweeters. 5" midbass to a typical tweeter. BlieSMa was founded January 16, 2018, by Stas Malikov. I was just talking to Solen Electronics, and they told me that they currently have the BlieSMa T25B tweeters on order. Concept: Midwoofers in closed box. • Extremely low moving mass for better transient response and higher efficiency. 20 shipping. The Bliesma T34A-$ is an exceptional Aluminium-Magnesium tweeter. Looking at the pillars I need to buy, tweeters may be a bit off axis. Wavecor TW030WA13 tweeter. Just clamps, a drill, sandpaper, miter saw, allen wrench, and a soldering iron. What is on the test bench? In February, 2018 we tested the first BlieSMa (Germany) product - aluminium-magnesium 34 mm dome tweeter T34A-4. See less See. . 17uF 100V Electrolytic Non-Polarized Crossover CapacitorElectrolytic non-polarized (bi-polar) capacitors are perfect low-cost solutions for use in passive speaker crossovers. 2021 Isirs Update 4mm space between the mid and the tweeter – Lasers make is so I don’t have to become a wood worker. (I might be missing some things but the point is an apt/condo dweller build) The baffle for the tweeter/mid is laser cut using an online. 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 29HD2 is smooth & mellow yet detailed. It can be a bigger floorstanding speaker but no refrigerator. The T25 is a much better tweeter for this concept. 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. We'll have to see how the Bliesma's sound in person when they're released in a few months, but I'll compare them to my D3004/6040's. Anyway, some comments for you, @thin bLue : 1) The only reason you'd want to use the T34 tweeter is if you were going passive and wanted to match the 97db sensitivity of the dome. I started messing with the mid and woofer. However, IMO the BlieSMa T25B-6 Beryillium tweeters are far better if you want the ultimate in detail and resolution. #3. The THD measurements at distance of 315 mm and voltage levels 2 - 11. €219. 2021 Isirs Update4mm space between the mid and the tweeter – Lasers make is so I don’t have to become a wood worker. The Bliesma T34A-4 1-1/2" Aluminium-Magnesium tweeter belongs to the absolute best of this market. 83 Vrms. 80 €148. You have to compare THESE THD ratings or measure the Biesma at 1-1,5V. cornajatwa. Available since May 2018, the T34A is a metal aluminum. Kurt Müller GmbH & Co. 3, Vas = 25 liter. Thread starter hugo stiglitz; Start date 2018-03-13 11:53 am; Prev. Some tweeters like. 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. Stereo Integrity SQL 15 IB run by Audio System F2. Very nice! I’m doing similar in walls, but 100% active. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. . . it has the best dispersion out to 3 to 4 KHz;. Cone / Dome Diameter 34mm. Bliesma already stated the packaging and hot weather weren't to blame for the chambers coming off, so that leaves me with a defective tweeter scenario, which IMO Bliesma should take care of. 91 dB. This horn is taken from Visaton tweeter TL 16 HBlieSMa T25D-6 | HiFiCompass The THD measurements at voltage levels 2. 5" midrange and twin 12" Dayton RSS subwoofers; it's a back breaking, no holds barred assault on the state of art. 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. Power Handling (RMS) 80 W. 2kHz to. Photo 1: The BDT-2901 uses a moderately wide 3mm surround suspending the 29mm Dr. BlieSMa T25B Beryllium Tweeters. Clean signal. Bliesma Audio magnesium tweeter, Neo magnet 4Ohm, T34A-4. The T34 should hold up very well in any domestic setting with its massive output capabilities and clean performance. Because of this I took Bozhen off list because of possible vertical response issues. g. (1) Scanspeak 2104/7120 3/4" Revelator tweeter. Manufactured by: BlieSMa ♦ Model: T25B-6 ♦ Origin: Germany ♦ Shipping Weight: 0. 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. A good alternative to the Volt VM752/3, easier spacing with the tweeter, four dome material choices with a shield to protect from little fingers. THD at 100dBSpl is about 1% for the ScanSpeak - Bliesma 0,1% at 1kHz. Drivers: 2x SB acoustics MW16P-8. It has 3mm of xmax. 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. The advantages of active DSP. 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. Bliesma Audio beryllium dome tweeter, Neo magnet 6Ohm, T25B-6. 00. I do not have the dome profile. How loud are we talking? With my live bright tone bass guitar (Marcus Miller to Les Claypool) I was clipping a 4 ohm 10PR300 with one channel of a PLD4. $125 (2) Dayton AMT2-4. I know they've been researching different tweeters (among which BlieSMa tweeters) and have since then also released a matching passive radiator for the PTT6. 2015 GMC - BliesMa T25B pillars, Dynaudio e430 dash, dual Dayton 7" ES180-Tia woofers in aperiodic door boxes, underfloor sub box Alpine R 15",. So a quick question--say I wanted to use the BLieSMa midrange (silk or Be, not sure), could you offer an opinion about mating 15" woofer such as the Audio Elegance TD15H to a 3" mid--it seems like a radical transistion but probaly no more so than a 6. So a quick question--say I wanted to use the BLieSMa midrange (silk or Be, not sure), could you offer an opinion about mating 15" woofer such as the Audio Elegance TD15H to a 3" mid--it seems like a radical transistion but probaly no more so than a 6. I'm looking to try something different. 0% BLIESMA T25B-6 Tweeter Votes: 3 100. Other. The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. I think in time they'll come out with a much better DIY demonstration speaker. Basically, the new D2098 utilizes the Revelator D29 dome’s wide surround concept, but with a 99% pure beryllium. . I prefer it even to the more expensive Bliesma T34A. However, it is still true that the silk dome version of the Bliesma tweeter will radiate a bit wider above 3kHz and beam more strongly above 7kHz than shown in the simulation. BLIESMA: Tweeter Type: Aluminum Magnesium Dome Tweeter: Cone / Dome Diameter: 25mm: Impedance: 6 ohms: Power Handling (RMS) 100 W: Frequency Response: 2200 - 35000 Hz: Sensitivity: 93 dB: Features : • 25mm aluminium-magnesium alloy dome with variable thickness for ultrasonic first breakup mode • Extremely low moving mass for. 2200 - 22000 Hz. 2. Manufactured by: BlieSMa ♦ Model: T25B-6 ♦ Origin: Germany ♦ Shipping Weight: 0. . 60 * Free shipping! Add: BlieSMa: T34B. Newk Yuler Active Member. 2022-11-10 9:07 pm. #1. 5 of 4 Harshness ( lack of ) 3. 5" elliptical mouth with a higher aspect ration (1:. December 1 2021, 10:10 Test Bench has previously featured two 34mm dome tweeters from BlieSMa: the T34A aluminum-magnesium alloy dome tweeter in the June 2018 issue of. 3 users. The two popular high end tweeters seem to be the Scanspeak D3004/6040 and Bliesma T25-6b these are both Berrylium dome tweeters. JBL 580. The harmonic distortion of this transducer is low, better than -55 dB between 2200 and 8000 Hz at 2. The tweeters i received were in factory packaging with one driver's rear chamber completely detached and rattling around. Absolutely love these domes and they are currently my dream midrange. 75 kg . Member. Wolf Addicted to Fun and Learning. 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. 2 Volt were carried out with. I suppose that a design goal has been to achieve low HD down to 1 KHz, otherwise this motor design would make little sense. 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). and that the Bliesma tweeter goes for 500 bucks per piece – I imagine that in any design where one tries to get a cutoff frequency of ~40Hz out of a 4-inch woofer, the "bottleneck" of the design will be the. Tweeters - I would not go for the S, simply cause it's not working as a perfect cone up to 20kHz. If available, the IEC baffle measurement and the Leap transducer model is added in the list. JBL 580 vs Bliesma/ETON vs Yamaha (the Yamaha cuts out by 3khz so judge between 500hz and 3khz) The levels were not matched. 3") aluminium/magnesium alloy dome tweeter with varaible thickness. 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. even with the Bliesma tweeter. SHIPPING: Included, Fedex ground. Im not going to go into a lot of detail in this post but just wanted to show some pictures and of course a measurement. New in the box. Yes it will be an high SPL / low distortion active 3-way (Hypex Fusion FA503) with dual PHL 6021MNd crossed over at 200Hz to dual Purifi PTT6. 2. 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. Point is that tweeter has mild slope toward low frequencies and since it is just 25mm in diameter, it has wide directivity and plays significant role in overall response at overlap region. The tweeter is still too hot and I think I see a baffle step issue. Tweets: Bliesma T25S-6 Silk-Dome 1" (Modded Factory A-Pillar Locations). 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. Offering an even more linear frequency response and the benefit of a resonance peak that lies beyond the 30kHz. T25A-6 25mm Aluminum-Magnesium Alloy Dome Tweeter T25S-6 25mm Silk Dome Tweeter See full list on soundimports. 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!The measurements of a pre-production sample of the BlieSMa T25B-6 tweeter. Amps: Biketronics BT4210 (210 x 4 mids/tweets), Biketronics BT3725 (250 x 2 midbasses, 700 x 1 sub). Wavecor BlieSMa Ardent. I'm thinking really hard about switching the tweeter out for the raal 70 20 sr Bliesma T25B-6, SB MD60, Purifi 6. 30 shipping. The tweeters reset what is possible from a tweeter with very wide bandwidth and linearity. The predecessor was a game changer for tweeters, with it’s 34mm dome, 3mm excursion, wide dispersion and. Prior to starting BlieSMa, Malikov worked at Ultrasound Technologies, at Morel as a QC manager and a transducer engineer, and at Accuton as a production engineer for the last 8 years. Scanspeak 6640,. From time to time I get request for the details of this waveguide so I created this thread to share the details, and to see the experiences and measurements from those who used this WG. It does have a sharp spike in 5th order HD at 3 k and a bump can be seen in the impedance response. Available from May 2018, the T34A-4 is a 30 mm metal aluminum/magnesium alloy dome tweeter with a substantial feature set that includes extremely low moving mass. You might also be interested in: Scan-Speak D3004/664000 'Illuminator' €458. . • Extremely low moving mass for better transient response and higher efficiency. Available from May 2018, the T34A-4 is a 30 mm metal aluminum/magnesium alloy dome tweeter with a substantial feature set that includes extremely low moving mass, and a fully saturated neodymium motor with copper sleeve shorting ring. Today, listening to the tweeters with a 1V sine wave sweep, I can hear some fuzz around the area under 1. Tweets: Bliesma T25S-6 Silk-Dome 1" (Modded Factory A-Pillar Locations). Free delivery worldwide by DHL Express service. Two-way loudspeakers based on the speaker drivers which are the epitome of modern technology - Purifi PTT6. 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. #845.