bliesma. No ferrofluid for improved dynamics. bliesma

 
 No ferrofluid for improved dynamicsbliesma  2021 Isirs UpdateWoofer is Seas L26ROY XM001-04 and amp Hypex FA123

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 Z-Caps from Jantzen. HTPCs, Computers, Remote Controls, and other Electronic Devices. I want to hold on to that 200Hz crossover to keep the most important midrange band in one driver. The Siltech Symphony uses two of these. BlieSMa T34B-4 | HiFiCompass. Saying I'm looking forward to that is an understatement. They all use the same motor and with the exception of the beryllium, all cost about the same, which is to say a lot. Save Share. BlieSMa. ScanSpeak Illuminator D3004/6040-00 Tweeter Textile Dome. Bliesma T34B-4 tweeter. Wavecor SW223, check. Source. All the best components for audio in one place! The compared speaker drivers are displayed here. Bliesma idk. It will be a 2way + rearfill and sub. You have to compare THESE THD ratings or measure the Biesma at 1-1,5V. Looks interesting, no idea on price range but a question has been asked on Vegalab so eagerly awaiting response. The drivers are Bliesma T25B-6 and Purifi PTT6. The M74A is the perfect candidate for a passive notch. 94db, 6ohm. Bliesma M74B-6 features large beryllium dome for low non-lineal distrotions. $435. Scan Speak Silver Series 10M/4614G06 3″ Fiberglass Cone Midrange –. 5 dB Features : • 34mm beryllium dome with variable thickness for ultrasonic first breakup mode • Extremely low moving mass for better. They are excellent tweeters with great power handling and detail. Flexible and lightweight lead wires made in Denmark. 4. 2022-10-17 5:19 pm. 2022-09-01 5:18 pm. tktran303. That is my experience as well. The BlieSMa T25S-6 features an extremely low moving mass for better transient response and higher efficiency. As my concept design, bliesma T25b, M74b and purifi ptt8. Hi Tihomir, what you see on the graph is actually wanted and exemplary effect of the WG. And every time you decide to tweet the crossover point or the response curve, you got to spend more on different value capacitor, inductor or resistor. 97 dB. Apologies if this has been covered somewhere (I have looked. BlieSMa, located in Blieskastel, Germany, was founded January 16, 2018 by Stas Malikov. 5W04 woofer, PTT6. The same channel used a dayton audio woofer to pair, but as the build is still getting quite expensive a "couple" extra bucks for higher. The ETON has a 28mm magnesium/ceramic dome. Several other cast members have been confirmed to join the movie. These look a curious beast maybe to bridge between a woofer/subwoofer and their M74 upper mid domes or with the aluminium possibly their T34 tweeters in a wave guide. The E-IX 2 way sealed (acoustic suspension) speaker kit was designed to look like a Linn Kan or LS3/5a. Select by tags: All Popular Beryllium. Subs: 2 x Scanspeak. Browse all Hardware Ads; Browse categories; Software . BlieSMa T34B-4 Beryllium Dome Tweeter. 83 -11. All three tweeters appear to be built on the same platform, but optimized for each diaphragm material, and all three share pretty much the same feature set. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. Extremely low moving mass for better transient response and higher efficiency. To my surprise the Bliesma is able to achieve a subjectively cleaner sound at levels that would have me reaching for the volume control with most compression drivers. Displaying 1 to 9 (of 9 Products) Manufacturer . Tweets: Bliesma T25S-6 Silk-Dome 1" (Modded Factory A-Pillar Locations). Dayton audio OmniMic V2 Precision Measurement System. (4cm. Natural silk soft dome midrange. You will go mad if you just try the fem. Even Eminence has their product design and manufacturing down after many years of durability and fit / finish issues. 5” woofer is the third Textreme diaphragm transducer to be explicated in Test Bench. Midranges. We can't help you with the loose backs and impedance irregularities as only Bliesma knows the product well enough (and stop whining). Types and purpose of the measurements. I am settle with bliesma t25b in augerpro waveguide (first tests and measurements in april). 2018-12-31 6:03 pm. . Register; Login; Place an Ad Free for hobbyists! Hardware . Sensitivity is same as 4878T01, ~89-90dB after bafflestep. solen. Bliesma M74B-6 features large beryllium dome for low non-lineal distrotions. The ETON has a 28mm magnesium/ceramic dome. Scanspeak 6640,. Had them installed in dash pods. Power Handling (RMS) W. Sound will be way better because all the mids to lower treble will be coming from 1 driver that handles them superbly, without a crossover. Sensitivity. 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. 34 mm. I've seen a fair amount of discussion of putting a Bliesma T25B in a DIY fabricated waveguide, but I haven't seen anything where someone tried it with the Visaton WG148 or the Monacor WG300 or another commercially available waveguide. Joined Sep 18, 2019 Messages 691 Likes 346. 0 g) of moving part, with linear excursion of 2. Based in the UK but can post within Europe. Bliesma. Dotten = broken ringing sound, Solid = clean sound. Any company can have QC issues but those are better sorted out through the respective channels as the dealer or the manufacturer directly. 6. 71 Buy 2 $903. Frequency Response. 80*. 2 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 800 Hz cutoff, HPF2-800) . $39. Welcome to BlieSMa. It adds SPL boost at the frequencies similar to dimension of the WG. 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. The Bliesma T34A - 4 is an exceptional Aluminium. 3kHz. Product details. eBay Columbia, Missouri Mar 16, 2022 (Edited Mar 24, 2022). Joined 2006. . Thread starter headshake; Start date May 21, 2020; Prev. ••• This is a subjective, qualitative, sighted evaluation and comparison of a prototype pair of March Audio Sointuva loudspeakers with Purifi woofers and Bliesma tweeters. . C. SloVic 551 posts · Joined 2016 #3 · Dec 26, 2021 (Edited) You can order them from Solen, not sure on the wait time though. Very flat as well, with dome breakup at a very high frequency. But the Bliesma is quite a bit more advanced than both tweeters in every way, and this shows in the measurements, the Bliesma is better than both in every objective metric, lower distortion, better polar response, and better time domain performance. I tried to do a gentle slope. This will yield very nice horizontal off axis responses and most probably no dip in power response at Fc when vertical measurements are included. I've never seen a review of it, so don't know if it's the same quality. But I'm going to move to a different contour, I suspect fabric domes work better in OS contours. 2、当 DIY 箱达到一定水准以后,还是比较有性价比的,但仍然没有必要和 厂箱比,因为一没有标准,二喇叭也多数不同,三理念也未必. I was not paid for the review. BlieSMa was founded and in Germany in 2018 by Stanislav Malikov who for a long time worked in such world famous companies which produce loudspeaker drivers as Morel (Israel) and Thiel&Partner (Germany, more familar in the world by its trademark - Accuton). Bliesma tweeter mated with a waveguide to optimize the off axis / power response integration with midwoofer. The resonance is strong and wide and occurs at the same frequency for all reasonable off axis angles, so notching it will have a similar effect across all angles. Tweeter is BlieSMa T25B crossed at 2750hz LR4 passiv. BlieSMa, located in Blieskastel, Germany, was founded January 16, 2018 by Stas Malikov. The B has a weird softness to it, that I actually find annoying and reminds me more of silk tweeters. Thanks to a fully saturated neodymium motor with copper sleeve it features low non-linear and modulation distortion. The VM527’s features include a coated single piece fabric dome/surround, FEA-designed ferrite motor. diyAudio. 00. 75” depth) faceplate. Bliesma 1,8g Interestingly the Bliesma seem to beam stronger! Didn't expect that. Features : • Flush mounted surround and rear mounted magnet system variable thickness for ultrasonic first breakup mode for flat frequency response and wide off-axis response2015 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. Even at 107dBSpl it stays lower. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. These were purchased from Solen on 3/24. 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. 2 dB from 1. I have earlier tested Seas DXT vs T34b and DXT didnt sound bad in comparison. So, 250-1K for the M142, 1-4K for the M74, 4K up for the T25. 31% for SS vs. In February, 2018 we tested the first BlieSMa (Germany) product - aluminium-magnesium 34 mm dome tweeter T34A-4. com and the dealer selling this car at any telephone number I provide, including, without limitation, communications sent via text message to my cell phone or communications sent using an autodialer or prerecorded. Dimensions. 30 shipping. The VCL EX27 is a concept study for a loudspeaker that will be built by VCLLabs soon. Bliesma 3" domes info released. 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. $400 shipped, includes PayPal fees. 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. As power amp I will build PURIFI based 4 Chanel Amp. New project: Bliesma T34B in WG, 18WE, 32W. Subs: 2 x Scanspeak Discovery 10" in Underfloor Sealed Enclosure. 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. Wire terminals are gold plated. 02. eu BlieSMa M74A-6, M74B-6, M74P-6 and M74S-6 What is on the test bench? In the end of 2021, the pleased the loudspeaker designers community with the release of a line of four 3" dome midranges at once, the development of which had been rumored for a long time. I wanted a nice set of speakers for. 9K where it then begins to narrow. Very interesting ! The berylium dome will be the first to be released but an aluminium, paper and fabric dome are coming later. Together with a 34 mm Bliesma and two RAAL 140-15Ds. We do not vet any members, use of this facility is at your own risk. I gave it a slight downward tilt too, adjusted by the two resistors. Top. M74B-6 BLIESMA M74B-6, Beryllium 74mm Dome Midrange. MNCC (DSN 882. Besides BlieSMa, Purifi is another state of the art manufacturer and their 6,5" Alu woofer is being well received with very low IMD and overall low distortion. Welcome to BlieSMa. Info sheets on the new Bliesma 3" domes has been released on Vegalab and Hificompas posted on Diyaudio, four variants - Silk, Aluminium, Paper and Beryllium. Full range loudspeaker. This article tests three new 25mm high-frequency transducers from BlieSMa: the T25S silk dome, the T25B beryllium dome, and the T25D diamond dome tweeter. PuriWave (Purifi PTT6. Bliesma tweeter mated with a waveguide to optimize the off axis / power response integration with midwoofer. Remarks : Internal thread M3 (fixing tweeter) and M4 (fixing support Comet) are to be carried out by the buyer. If the "Excel series" behave the same way, they aren't very good. Hificompass did extensive measurements on those and all have been confirmed here also. 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. BLIESMA T25B-6 Tweeter Votes: 3 100. Used for about one year. Bliesma M74S-6 midranges feature 74 mm natural silk soft dome with integrated surround and protection grill. Hypex fusion 253 or 503 for plate amp. The THD measurements at distance of 315 mm and voltage levels 2 - 11. The box uses edge moulding to form the 44mm radius. PTT8. 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. For the woofer and midrange, there are several candidates and my budget will be the limitation. The TSCT 1044’s frequency response is a gently rising slope and a smooth ±2. #1. Been out for a decade+, but has a distortion profile that can compete with a Bliesma >3kHz, slightly higher H2 (~-45dB) but stupendously low (-70dB broadband) H3 and above. 2022-09-10 7:14 pm #21 2022-09-10 7:14 pm #21 augerpro said: The Bliesma doesn't look like it will be easy to make a waveguide fitThe group review of the new BlieSMa 3" M74A-6, M74B-6, M74P-6 and M74S-6 dome mids:. 2 Audio System Twister F4-400 amps. THD at 100dBSpl is about 1% for the ScanSpeak - Bliesma 0,1% at 1kHz. The Bliesma T34B-$ is an beryllium tweeter which offers an upgrade over the already brilliant T34A-4. 设备: 音源:享声D1 Pro转盘;Acre Mdac-II解码; 线材:敏力4平方6N无氧铜; 功放:Hypex NC400,D类200W。. SHIPPING: Included, Fedex ground. List of products by brand Bliesma. They have built their reputation extremely quickly for building tweeter designs that are at the forefront of driver design. SACD DVD-Audio 11. 5M or PTT5. Member. The sensitivity of 95 dB/2. Feb 13, 2021 #36 I ordered the T25A from Solen when they were on sale during the holiday. 440 - 8000 Hz. And it gives a lot: 97dB, flat to 5K and beyond depending on. The original chambers are going into the trash. Member. 13 December 2019, 12:16 Friday. 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. MNCC (DSN 882. IIRC the H series of woofers are the "subbiest" of the bunch. As for the drivers vertical interference artefacts, you may calculate for the Bliesma combo lambda_2500Hz/95mm, and for the Purify combo lambda_2000Hz/121mm. Wavecor WF182BD03 midwoofer. See full list on soundimports. Until Kartesian 75mm midrange is measured independently, 10F4424 remains objectively the best midrange in its class and format. You can add up to three drivers for comparing. Qts = 0. FI : BlieSMa - Speakers Capacitors Coils Equipment Car audio sets Accessories Amplifiers Resistors speaker, shop, buy, capacitor. Accuton C90-6-079, check. Qts = 0. 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. For capacitor alone, if you are using the slightly better range like the Jantzen Audio Superior Z Capacitor, that will cost you quite a bit for a 3 way crossover circuit. This Test Bench combines three new 25mm high-frequency transducers from German brand BlieSMa into a single characterization: the BlieSMa T25S-6 Silk Dome, the BlieSMa T25B-6 Beryllium Dome, and the BlieSMa T25D-6 Diamond Dome. 13 December 2019, 12:16 Friday. The speaker cabinet is a tower of 109 cm high, 45 cm wide and 40 cm deep. BlackStar said: BlackStar said: As previously mentioned the tweeters from the Focal ES 165KX2 set are Aramid Fiber, not Silk and not true domes, but a "M" cone. Music. The main activity is the development and production of high-quality loudspeaker drivers. 5M or PTT5. Stereo Integrity SQL 15 IB run by Audio System F2. 7µF and 26µH // 3. Testing 34 mm AlMg dome T34A-4 from BlieSMa/Germany. I actually did not make any sims for this WG, it is OSWG with the right diameter, angle etc kind of lucky guess. The radiating area (cone + 2 x ½ suspension) is equal to roughly 146mm and 5. The combo of a proper OSWG perfectly fit to the already remarkable driver from Bliesma is, imo, a winner. The predecessor was a game changer for tweeters, with it’s 34mm dome, 3mm excursion, wide dispersion and extremely linear frequency response. 5 way with rev 15W/8530k01, which arrive tomo Procrastinating over tweeter. BlieSMa T25A-6 Aluminium-Magnesium Dome Tweeter Matched Pair. Aside from code issues, it seems like an amp plate on the wall would also look hideous compared to the sensible approach of a remote rack and running multi core in wall rated speaker cables. The Bliesma T34 is better in every aspect, it is a good option at a lower price if you do not need high spl. 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. Blesma, The Limbless Veterans. 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. Single-layer ribbon voice coil of Bliesma M74B-6 is wound with copper-clad aluminum wire (CCAW) on titanium former. Yet, compared to the Eton 29HD2, I find the Bliesma somewhat sterile and boring. Midrange is BlieSMa M74B crossed at 520hz LR4 activ (considering my needed max SPL and LR4 I think its fine). Ugh. Yes it’s an amazing driver. 2 and 3. Joined 2006. . 5W04-01A midwoofer. Support tweeter for tweeter Bliesma 68mm : T25A-6, T25S-6, T25B-6, T25D-6. I do have one additional question regarding suppression of metal & ceramic cone harmonic distortion in the critical 1kz to 3khz band. . $110 (2) Dayton ES180TiA. 71/ea. I already shared all the details here. Of the bunch, it wins for cleanliness, accuracy and detail. Woofer will be most likely the new Purifi PTT10 crossed activ. You can see the result above in this thread in Vituix. Im not disclosing the name. But I use mostly Scan Speak or SB Acoustics/Satori, Purify is REALLY expensive. disconnect. This WG was used with Bliesma. The article compares their features, impedance, frequency response, distortion, and SPL performance using various analyzers and microphones. Not very practical for the size constraints in an automobile. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. 3" voice coil vs 30mm. <40dB/1% for BliesMa @ 5. Of course both versions will optimized the best they can be optimized. Go. Mids: Satori MW13P-4 5" (Factory Door Locations). 2022-11-27 6:16 am. This is an unusual driver, but it has some serious lower midrange / upper bass capability. New in the box. 1000, 2x SI SQL 15's true IB, Singer 290A, XSPower D3400, 1k farad maxwell cap. 330. We are a UK distributor for the highly acclaimed BlieSMa tweeters. BlieSMa M74B-6 Mid-range woofer. Xmax p-p 3mm vs 0,5mm. 5 years collecting drivers they are all in house, so time to order crossover components. The B has a weird softness to it, that I actually find annoying and reminds me more of silk tweeters. 3mm peak to peak. Over the last 20 years, Malikov has worked at Ultrasound Technologies; at industry legend Morel as a QC manager and transducer engineer; and at Accuton, the well-known high-end driver OEM, as a production engineer for more than 8. Joined Apr 20, 2019 Messages 297 Likes 238. That boost must be compensated in crossover, normally one capacitor does the job. Next up the Bliesma T34B-4 Beryllium 34mm large. 80 €356. Scan Speak Classic 21W/8555-10 8" Woofer. Mar 16, 2023. <40dB/1% for BliesMa @ 5. About us. The Bliesma T34A has a similar effortlessness as the ER4 but is much better overall. 2020-06-18 6:11 pm. Nov 22, 2021. FI : BlieSMa - Speakers Capacitors Coils Equipment Car audio sets Accessories Amplifiers Resistors speaker, shop, buy, capacitor. The Bliesma drivers are really well behaved and the mid is very consistent in radiation up to 1. 21WE looks like the one of few 8inchers promising satisfactory results when used in 2-way. The first product being released by BlieSMa is a 34 mm tweeter, the T34A-4. . The Bliesma design however makes this a near impossible task without a dedicated jig of sorts. +1 for Bliesma. Underhung voice coil wound on titanium former. 在6. Condition: New New. Please feel free to share any thoughts or experience about them. I bought the little 22TAF. Wire terminals are gold-plated. Available in two dome materials - silk for every. New project: Bliesma T34B in WG, 18WE, 32W. The fun part is that I've spent an evening talking with the designer Edwin Van Rijnveld. (+380) 95 904 7827. 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 was just talking to Solen Electronics, and they told me that they currently have the BlieSMa T25B tweeters on order. This is why I first asked Stan at Bliesma about the durability of. 69. They are done using measurement from a cabinet with passive radiator. 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. Scanspeak 6640,. #23. 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. Those already have an OD over 4-5". 5寸口径上,石墨烯E0073就是王者了。. There are small subtle differences between a good aluminum dome (SB26CDC) and a good beryllium dome (Satori TW29BNWG and. 404 - Solen solen. Frequency Response. Moving mass of the driver is as low as 1. . The speaker cabinet is a tower of 109 cm high, 45 cm wide and 40 cm deep. 5” or 8” woofer. $921. Features : • Flush mounted surround and rear mounted magnet system mode for flat frequency response and wide off-axis response • No ferrofluid for improved dynamics T34A-4 (green and orange) compared to T34B-4 (red and yellow). Surface area isn't everything. I prefer 3-5 ft of speaker cable rather than 30-500ft from the amps to the drivers. The Illuminator tweeters continue on with the heritage of the renowned Revelator series. €219. 0) 1 reviews $400 USD Check price. 91. The Bliesma T34A-$ is an exceptional Aluminium-Magnesium tweeter. Comparing both speakers in terms of CD, again Bliesma is the winner. Review of the 8" Alu cone long-stroke midwoofer PURIFI PTT8. For me, the most interesting part was how silk. From drivers datasheet, I would start with LR4th (D&D 8C) from 2kHz moving upward. BlieSMa was founded January 16, 2018, by Stas Malikov. Sensitivity. 2T and 34mm . BlieSMa was founded January 16, 2018, by Stas Malikov. BliesMa T25-S tweeter set. Price: US $921. So it will be easy to compare. Front stage: 3 way Steg Masterstroke MSS 6 IB, MSS 3 and MSS 1. Quantity: 3 available / 2 sold. 20 shipping. 83V makes this driver pretty unique. Solen have listed the new Bliesma 142mm "mid domes" in Paper and Aluminium form. 777 posts · Joined 2022. 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 Z-Caps from Jantzen Audio, a new foil capacitor The Siltech Symphony uses two of these. Both offer sensitivity ~90dB, which is by 3dB more compared to 4878T00. Features : • 34mm beryllium dome with variable thickness for ultrasonic first breakup mode • Extremely low moving mass. Volvo 850 S70 V70 C70 Big Brake Kit Brembo Upgrade Adapters 336mm . 8 g. CONDITION: Used - on a scale of 1-10: 10. bbfoto said: Yes, just a bit less than the Audiofrog's at their normal MAP pricing. Description. It is on kind loan from a member and costs US $499. 16 September 2023, 20:32 Saturday. Joined Mar 24, 2018 Messages 306 Likes 217 Location Denmark. Reactions: dualazmak. Been on their site for a a little while. Including the unique cone assembly that consists of a mildly curvilinear paper cone made with a proprietary fiber. It is not intended to be a deep dive. I've had hands-on time with both the 6640's and the D3004/6040-10's. Audax TW034 and Seas T35-C002, these may be right up my alley considering how much xmax they have to cope with a lower xover point and still play reasonably loud. Bliesma dome range also has good values: "The confirmed low cutoff frequency for all models is 600 Hz with at least 2nd order filtering. Power Handling (RMS) 80 W. BliSMa. 00 USD) per pair. #1,707. The Bliesma T34B-4 1-1/2" Beryllium tweeter is the upgraded version of the T34A-4. Available from May 2018, the T34A-4 is a 30 mm metal aluminum/magnesium alloy dome tweeter with a substantial feature set. And this is puzzling. Impedance.