Beryllium dome of Bliesma M74B-6 midrange is protected with grill. MNCC, or 901. 3+8+15 layout iirc. Though I worked on several 4ways and 3ways, I still like and enjoy quite simple and easy projects. 71/ea Buy 1 for $921. The transducers are the 15 inch Scanspeak Ellipticor 38WE8582T00 as woofer, the 8 inch Scanspeak Ellipticor 21WE8542T00 as lo-midrange, the new 3 inch dome Bliesma M74B-6 as hi-midrange and the Viawave SRT-7 ribbon tweeter. 0) 1 reviews $525 USD Check price. Also, the Bliesma was on sale for black Friday. 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. #4 · Nov 20, 2022. Jump to Latest. Frequency Response. The VCL EX27 is a concept study for a loudspeaker that will be built by VCLLabs soon. This Textreme cone 6. This will allow for the Atmos standard of 105dB at the listening position up to 4m from the front mains. From my measurements of 18WU, there is -5. They write about T34B that it is richer in timbre, but they build the stage. Working backwards from that, you would need a 15" with about +/-6. Bliesma T34B 2x Purifi PTT6. (1) Scanspeak 2104/7120 3/4" Revelator tweeter. 330. Alternatively the SB, Viawave and Bliesma stuff are good calls too. Davis Acoustics Electro. So, unless you really want wide dispersion up to the presence region, there really isn’t much reason to go with the 25mm models. 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. Attachments. I tried to do a gentle slope. Wavecor TW030WA13 tweeter. Purifi SPK5 sets it slightly above 3kHz, to me more to protect Tweeter than else. 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. 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. Morel Ticw1258ftX2+ accuton 090 + Bliesma T34B 盟主时代_姚璎格 - 八月照相馆. Currently using the GS25 and GS690 in my other vehicle and while detailed feel its a bit more forward than I prefer, so I'm leaning towards a warmer setup. I just can't get a break with this bad luck. 2. So in baffle I expect ~-5dB. SloVic 551 posts · Joined 2016 #3 · Dec 26, 2021 (Edited) You can order them from Solen, not sure on the wait time though. What I would like to share is the use. Waveguide for the BlieSMa T25B-6 (T25D-6) tweeter. . 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. 34 mm. . Soft domes are not true pistonic drivers like hard metal domes. 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. The radiating area (cone + 2 x ½ suspension) is equal to roughly 146mm and 5. BlieSMa was. zon001. M74B-6 BLIESMA M74B-6, Beryllium 74mm Dome Midrange. You can add up to three drivers for comparing. Founded in 1970, Scan-Speak continues to offer the same “no compromise” philosophy that has always been a part of its mission. Whether you use OB or closed a very. 5X08-NFA-01+Viawave SRT-7)9/1/2021 added designs to the Scanspeak and Bliesma T25 pages. Review of the PURIFI PTT6. Clean signal. Solen have listed the new Bliesma 142mm "mid domes" in Paper and Aluminium form. Including the unique cone assembly that consists of a mildly curvilinear paper cone made with a proprietary fiber. The driver also has a fully saturated neodymium motor with a copper sleeve, which helps to reduce distortion. Types and purpose of the measurements. Bliesma T25B-6. BlieSMa T25A-6. Natural silk soft dome midrange. 00 Canadian Dollars (around $530. And that’s a challenge I haven’t been able to overcome- to properly compare a poly cone to paper cone to aluminum cone to beryllium cone. The T34s can play at levels that very few dome tweeters are capable of while sounding good, the distortion down low beats all the competitors too. Wavecor TW022WA05 Fabric Dome tweeter. disconnect. How loud are. 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. Save Share. 0% Total voters 3; Focal ES 165KX2 Tweeter VS BLIESMA T25B-6 Tweeter. Available from May 2018, the T34A-4 is a 30 mm metal aluminum/magnesium alloy dome tweeter with a substantial feature set. Yet, compared to the Eton 29HD2, I find the Bliesma somewhat sterile and boring. 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. ca H. 2 Volt were carried out with High Pass Filter "on" (2nd order Buttreworth type, 800 Hz cutoff, HPF2-800) Sign UpBliesma. BlieSMa, which is located in Blieskastel, Germany, was founded in January 16, 2018 by Stanislav Malikov. €186. What one needs is to match +/- 0. $125 (2) Dayton AMT2-4. Wire terminals are gold plated. As my concept design, bliesma T25b, M74b and purifi ptt8. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. 28/ea Buy 2 for $903. Tweeter - Bliesma T25B Midrange - Bliesma M74B LF - Purify. For LR2 and Acoustic centers alignment you will need front baffle tilt ~8deg. Single-layer ribbon voice coil of Bliesma M74B-6 is wound with copper-clad aluminum wire (CCAW) on titanium former. Scan Speak Classic 21W/8555-10 8" Woofer. 71 Buy 2 $903. MNCC (DSN 882. I have earlier tested Seas DXT vs T34b and DXT didnt sound bad in comparison. tktran303. C. Sad and unacceptable. 440 - 8000 Hz. 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. . Wavecor SW223, check. 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. Member. 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. 13 December 2019, 12:16 Friday. 12-19-2018, 06:59 AM. Nathaniel117 5. Thanks for the suggestions. 1 user. Concept: Midwoofers in closed box. AudioTechnology 18H521706SD-4. We do not vet any members, use of this facility is at your own risk. Scan Speaks 3" about 6-8V, TangBand also. Just as legal as these are: DSP750 In-Wall Loudspeaker. The netto internal volume is 125 L and the woofer and lo. Welcome to BlieSMa. 1000d amp. What Tweeter would you recommend under $600 that you personally feel can compete with this listed options I gave? Reply. Features : • 34mm aluminium-magnesium alloy dome with variable thickness for ultrasonic first breakup mode • Extremely low moving mass for better transient response and higher efficiency • Fully saturated neodymium motor with copper. DVD-Audio Blu-Ray-Audio 9. 艾卡顿 C158-8-085+ 艾卡顿陶瓷高音 / 伊顿或蒙多福气动式高音 /BlieSMa 铍高音 （ 3 ） 6. 8 g. 6V input). Bliesma T25B. I would go with 12MU and Bliesma, tilted baffle and symetric LR2 at ~3000. All three tweeters appear to be built on the same platform, but optimized for each diaphragm material, and all three. Hoping it can handle 117db/1m with a 4th order at 600hz. Bliesma t25A or S Bliesma m74A or S The youtube channel PresentDayProduction loved the Silk version for their studio monitors but reviews I have read often say they seem soft and the A version is less colored. 5 (2000w peaks) bandpassed. In this edition, Mike Klasco and Nora Wong have compiled an updated directory of. 5" midbass to a typical tweeter. From drivers datasheet, I would start with LR4th (D&D 8C) from 2kHz moving upward. Thanks to a fully saturated neodymium motor with copper sleeve it features low non-linear and modulation distortion. 2021-12-05 3:10 pm. HTPCs, Computers, Remote Controls, and other Electronic Devices. New project: Bliesma T34B in WG, 18WE, 32W. Don't forget - one M74B at 2,83V already gives you 97-98dBSpl! With an Accuton C90 you would need 9-10V to get that level - and it's a 5". BlieSMa’s first tweeter offering, the T34A-4 34 mm. The M74A is the perfect candidate for a passive notch. Subs: 2 x Scanspeak. Im not going to go into a lot of detail in this post. 20 kg. 97 dB. £420 . BlieSMa, located in Blieskastel, Germany, was founded January 16, 2018 by Stas Malikov. 5” or 8” woofer. Features : • Flush mounted surround and rear mounted magnet system from its own fabric for better sound quality for flat frequency response and wide off-axis response Test Bench: The T34A-4 Tweeter from BlieSMA. In the closet behind the seat I have all my records, cds projector, avr, sub amps and subs. Frequency Response. Bliesma 1,8g Interestingly the Bliesma seem to beam stronger! Didn't expect that. We do not vet any members, use of this facility is at your own risk. 5 way with rev 15W/8530k01, which arrive tomo Procrastinating over tweeter. Member. Extremely low moving mass for better transient response and higher efficiency. Location. It is on kind loan from a member and costs US $499. 5X the thickness. BlieSMa was founded January 16, 2018, by Stas Malikov. Our ergonomic designs easily adapt to a surgeon's technique and fully cover the expanding range of procedures that benefit from ultrasound guidance. 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. Frequency Response. No good hearing a compression driver slap around when the power flickers and you know those drivers are likely dead now. That boost must be compensated in crossover, normally one capacitor does the job. 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. Vinyl 299. (*) Prices are per unit, excluding Value Added Tax (VAT 24%) AUDIO-HI. And that these speakers will be demonstrated at my local high end store whenever corona allows it. Red, White & Royal Blue premieres on the 11th of August on Prime Video. Alu/mag, paper,. To begin, I used the LinearX LMS analyzer to produce the 300-point impedance sweep. 69. From my own experiences with 12MU, DXT, Bliesma, 4inch WG etc. I recommend asking Bliesma for the 3D file. By clicking " SEND EMAIL ", I consent to be contacted by Carsforsale. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. And he’s making both a passive version for luddites, and an active version for music lovers. Save. 3, Vas = 25 liter. Thick aluminium mounting flange is powder coated, aluminium rear chamber is filled with. That is my experience as well. You can see the result above in this thread in Vituix. Without question, Bliesma produces fantastic products (I personally own the T25-6 tweet), but for car audio purposes, this large dome midrange doesn't make much sense. 94db, 6ohm asking for $580. The predecessor was a game changer for tweeters, with it’s 34mm dome, 3mm excursion, wide dispersion and extremely linear frequency response. I've never seen a review of it, so don't know if it's the same quality. 1; 2; First Prev 2 of 2 Go to page. The HD measurements at distance 315 mm and voltages of 2. €219. The 30 deg off axis will blend perfectly fine. Thick aluminium mounting flange of Bliesma M74A-6 is powder coated, aluminium rear chamber is filled with natural wool. 5M or PTT5. Next up the Bliesma T34B-4 Beryllium 34mm large. 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. Despite the low price, the speaker is beautifully finished with a curved port and beautiful light oak finish: A magnetic grill covers. The only signs of wear are around recessed screw holes. BlieSMa T25A-6, T25B-6, T25D-6, T25S-6 - a comparison of dome materials. 5M or PTT5. We can't help you with the loose backs and impedance irregularities as only Bliesma knows the product well enough (and stop whining). 80*. (4cm. The Bliesma T34 is better in every aspect, it is a good option at a lower price if you do not need high spl. 77 for 24 months with PayPal Credit*2021-12-03 7:33 pm. BLIESMA T25B-6, Beryllium 25mm Dome Tweeter. From Eton I received the 29HD2, its neodymium motor tweeter, with a fairly rich feature set that includes an aluminum faceplate, a 28 mm diameter magnesium diaphragm with a ceramic coating on both sides protected by a cosmetically attractive grill/phase plug, and driven by an aluminum former. Description. I'll ship internationally at full cost to buyer. . Joined Sep 18, 2019 Messages 691 Likes 346. Top. The purpose of the exercise was for Alan (Mr March Audio) to get some feedback on the prototypes from “fresh ears” and to geek out with a fellow ASR member. Solen sells them for $145 USD each +. $1,379. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. A short flare horn is built into the rear-mounted (0. I listened to a variety of music, some on CD and some on YouTube. What a disappointingly engineered design. 16 September 2023, 20:32 Saturday. You can see the result above in this thread in Vituix. #1. 7 kHz for Be we can see bursts of the 3rd and 5th harmonics. 6 ohms. Build log in progressIt will cover 250-1K in my system with the M74B/T25B above it. MNCC, or 901. For me, the most interesting part was how silk. I used 2xSB17NBAC on the bottom of 3-way and it was good for the price, though it was little bit one-note bass. I've had hands-on time with both the 6640's and the D3004/6040-10's. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. Single-layer ribbon voice coil of Bliesma M74B-6 is wound with copper-clad aluminum wire (CCAW) on titanium former. Thick aluminium mounting flange of Bliesma M74A-6 is powder coated, aluminium rear chamber is filled with natural wool. •••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. Here is the Hificompass test of the T34. 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. Mids: Satori MW13P-4 5" (Factory Door Locations). Wishlist Compare CA$563. The Bliesma T34A has a similar effortlessness as the ER4 but is much better overall. So many mfg's will state "linear" excursion, but that is based on geometry of voice coil vs gap height and/or +10% delta. The VM527’s features include a coated single piece fabric dome/surround, FEA-designed ferrite motor. 84 each one. Kurt Mueller (DKM) silk dome. The detail is in the mid-range, and the three-way MUM-8 features a domed tweeter and midrange driver for uncompromising detail and a superb off-axis response for a wide sweet spot. There is a distinct baffle step starting around 500Hz but I managed to take that out. I bought the little 22TAF. We are a UK distributor for the highly acclaimed BlieSMa tweeters. (BlieSMa t25b + ETON 3-212 + Seas l26roy) + Hypex + PE boxes. J. Also, the Bliesma is mounted on top of the baffle, a bit far from the mid. Bliesma M74A-6 midrange features 74 mm AlMg-alloy dome with varable thickness. Apr 19, 2021; Thread Starter #37 Moving to metal I have a new limitation: the hole size has to be 1. At normal 85dB-90dB listening levels, even mid -ranges rarely use more than 1-2 watts continuous with reserve needed only for very transient musical peaks. The predecessor was a game changer for tweeters, with it’s. No ferrofluid for improved dynamics. . Sure there are some waveguide mounted tweeters that can but expect an OD around 7-8" and maybe 2-4" of depth. ••• This is a subjective, qualitative, sighted evaluation and comparison of a prototype pair of March Audio Sointuva loudspeakers with Purifi woofers and Bliesma tweeters. #1 · Jan 27, 2020 I was just talking to Solen Electronics, and they told me that they currently have the BlieSMa T25B tweeters on order. The large-roll surround and textile dome diaphragm provide a flat frequency response to above 30KHz with outstanding off-axis dispersion. This thread is about the new lineup of 3” dome mids from Bliesma. 74 mm Beryllium dome. 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。. 5 dB. Thick aluminium mounting flange is black powder coated, aluminium rear chamber is filled with. The 753 is slightly lower in price, and under some conditions might allow a little closer spacing of drivers. New project: Bliesma T34B in WG, 18WE, 32W. The tweeters reset what is possible from a tweeter with very wide bandwidth and linearity. Bliesma M74S-6 midranges have extremely low mass (2. 5寸口径上，石墨烯E0073就是王者了。. So, 250-1K for the M142, 1-4K for the M74, 4K up for the T25. Accuton (Germany), for example,. The E-IX 2 way sealed (acoustic suspension) speaker kit was designed to look like a Linn Kan or LS3/5a. Broken ring. The VM752 also offers 94 dB sensitivity, and 100 W (AES) rated power handling, has a 200 mm diameter ferrite magnet, with a 2 mm Xmax, and a 500-Hz-to-4-kHz operating range. Having said that I've been looking at the Morel MT450/Alto and the Bliesma T25S. Used for about one year. #5. Shown below is the X/O and response for the rear mounted T34B. 30 shipping. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU. 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. Never mounted, never connected. 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. (and BlieSMa T34B-4 tweeter,SB Acoustics SB17NBAC35-4 mid) Had a few delays. The first product being released by BlieSMa is a 34 mm tweeter, the T34A-4. This has been teased for a while now, we decided to put it on hold at the start of covid but are now ready for release. 520D x2, BlieSMa T25B-6, SI M3 Carbon, Anarchy 704 in sealed boxes, front stage. 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. 06 + $30. Expected ETA is mid-February. That is only half true, the shape/height of the dome is quite significant. 2nd order distortion measured at input equivalent to 104, 98 and 92 dB @ 1 meter distance. Voice coil diameter. The specs and measurements look impressive. 97. 17, with availability starting Sept. Wire terminals are gold plated. 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. 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. 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. The drivers are Bliesma T25B-6 and Purifi PTT6. 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. IIRC the H series of woofers are the "subbiest" of the bunch. These Test Bench samples came from Germany. 2 Volt were carried. The first product being released by BlieSMa is a 34 mm tweeter, the T34A-4. 1. 7". BlieSMa is a German company that produces high-quality OEM drivers for various applications. I prefer 3-5 ft of speaker cable rather than 30-500ft from the amps to the drivers. S. solen. Bliesma M74 for €300,-? Don't remember such a price, I thought it was €700,- for 2 from the beginning? But yes, they raised prices and a lot more for the B versions. Frequency Response. 60 × 60 × 25 cm. They all use the same motor and with the exception of the beryllium, all cost about the same, which is to say a lot. But I'm going to move to a different contour, I suspect fabric domes work better in OS contours. The review on this website is a brief overview and summary of the objective performance of this speaker. The Purify has >10dB less sensitivity and 3-4x the moving mass (the mid version, the x version is even more extreme). 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. Saying I'm looking forward to that is an understatement. $251. Accuton C90-6-079, check. I listened to a variety of music, some on CD and some on YouTube. Don't forget - one M74B at 2,83V already gives you 97-98dBSpl! With an Accuton C90 you would need 9-10V to get that level - and it's a 5". Wire terminals are gold plated. The matching level of Bliesma is awesome, particularly their tweeters. 9 and 4. Welcome to BlieSMa. Sd = 180 cm^2, that is more surface area than a 7" woofer, and almost as much as an 8" woofer. Magico is the leader in high-end loudspeaker design. I was not paid for the review. That boost must be compensated in crossover, normally one capacitor does the job. $435. Go to Beryllium version. Bliesma T34 and Peerless DA32TX00-08 are the only ones I know of that may be able to. Also B&W 800 tweeters are CVD synthetic diamond. . Joined 2020. 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 Troels design was a 4 way using all Ellipticor drivers so was pretty top end 1+3. Flexible and lightweight lead wires made in Denmark. Joined Apr 20, 2019 Messages 297 Likes 238. The Bliesma T25B-6 is a 1 inch beryllium dome tweeter. 3kHz. Just know that the Purifi PTT6. They sound extremely similar. This article was published in Voice Coil, March 2019. BlieSMa T34B-4 Beryllium Dome Tweeter. . The M142 HIMARS (/ ˈ h aɪ m ɑːr z /) – M142 High Mobility Artillery Rocket System – is a light multiple rocket launcher developed in the late 1990s for the United States Army and mounted on a standard U. Both offer sensitivity ~90dB, which is by 3dB more compared to 4878T00. You will go mad if you just try the fem. Sensitivity. 5M08 and crossed over at 2500Hz to the (probably) Bliesma T34A. 33 Each. Moving mass of the driver is as low as 1. Of course both versions will optimized the best they can be optimized. 5" woofers in aperiodic door boxes, AE IB15, Joying Android HU->Helix Pro2. The fun part is that I've spent an evening talking with the designer Edwin Van Rijnveld. Beryllium dome of Bliesma M74B-6 midrange is protected with grill. . Qts = 0. 0 review. CSD of unit 1. 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. Wavecor WF182BD03 midwoofer. Nothing like power blips to cause LF to sneak into the output. 80 €356. Blesma, The Limbless Veterans (formerly known as the British Limbless Ex-Servicemen's Association) is a British charity that helps all serving. 8 g. And if your looking for a 3" dome and not in a hurry time wise,also look at what. 5" in Ported Underseat Enclosures. The Speakers should be active controlled through a DSP (crossover) that provides alignments for 4 Chanels. even if you can match the SPL on axis to a tight window of +/- 0. 83V makes this driver pretty unique. 73. BlieSMa T34B-4 Beryllium Dome Tweeter. According to Variety, Uma Thurman, Sharon D. jpg. All the best components for audio in one place! The compared speaker drivers are displayed here. JRS. 83 -11. 5 way with rev 15W/8530k01, which arrive tomo Procrastinating over tweeter. Midbasses: Dayton Designer DSA175-8 6. 28 each one Buy 3 $884. So, 4878T01 and 8878T11 seem to be the best candidates for passive design. Bliesma T34b-4. Beryllium dome of Bliesma M74B-6 midrange is protected with grill.