The company is into good subwoofers, the kind that are intended to make music, not go boom. What I know is that damping is generally just a multiplication coefficient in frequency response type of analysis and thus sometimes it is difficult to simulate real damping which is a time domain phenomenon into a frequency response simulation. They’re totally accepted and even loved in the home theatre environment, but somewhat scorned in stereo environments by much of the audiophile community. Tel: +44 (0)1656 768777 Draw the gain term (ω n)separatelyfromthezeroterm(s/ω n +1). you down the road, and will take a look right here first of all the very next time TECHNICAL SPECIFICATIONS Type: Sealed, down-firing active woofer Drive Unit: 165mm long-throw, alloy cone, steel chassis Lower Frequency Response: 38 Hz at -6 dB in room Connections: High-Level Neutrik Speakon, Low-Level single phono, LFE phono Amplifier: 100W Class D Power Output: 100 Watts (RMS) Phase Switch: Yes, 0 or 180 degrees. Save my name, email, and website in this browser for the next time I comment. H‰œTkOÛ0ı�_q?¦5¶ã¼$„£LL †´‡Pn–G»”şû];iìñUÍóŞsÏ9>NéP˜2ŠĞœ"#åĞKgá\;§‰s˜°{ REL’s subwoofer isn’t for the big boomers, but will subtly augment the sound of systems in smaller rooms, writes Ashley Kramer. Sorry, your blog cannot share posts by email. freqz returns the complex frequency response in vector h, and the actual frequency points in vector w in rad/s. The frequency is "the" period at which seasonal cycles repeat. Learn how your comment data is processed. Apparently, wanting to repeat this huge success, the company included a miniature T-ZERO in its assortment. We utilized 5 full coats of lacquer, and solid aluminium feet and badging because REL owners understand quality must extend throughout a product, not just in the most obvious locations. The T-Zero was left in-situ for a fairly long review period and at no stage did I feel it had provided any detrimental effects to the audio performance of my hi-hi system. 4.9. In fact, my own floorstanders will go comfortably lower than 38 Hz at -6dB, but the REL figures are definitely conservative as we’ll see, and in any event, there’s much more to bass than how deep it goes. I would say it lacks the punch and precision of larger subs for movies, but for music I never think about it. It’s reasonably dead and dull when given a scientific hard knock with a calibrated knuckle, but that’s not too difficult to pull off when the longest edge of your cabinet is less than 300mm long. This is the range from 50 to 90 Hz. The cabinet is described as being “super stiff” and designed to drive up the resonant frequency to allow the damping of the “instrument-grade bracing” to be more effective. The ability to fit in with rolled off speaker environments or smaller speakers – which is its natural habitat – and to be able to delicately augment a set of bigger floorstanders, is due to the T-Zero’s ability to provide just enough bass for the job at hand, without getting carried away. We have an open concept kitchen, living room, and dining room which is about 8m by 8m, and it fill in very nicely. The REL T-Zero, the baby of the company's subwoofer range, measures way less than a cubic foot and weighs just 6.8kg, but packs a 16.5cm down-firing long-throw driver powered by a 100W class D amp – the first time such and amp has been used in a REL sub. Finish: Black or White Lacquer. A LFE input is also provided, and the speaker level and the LFE input can be run simultaneously and set up differently with their own controls to allow users to effectively have a “hi-fi sub” and a “home theatre sub”. Running it with the power amps providing roll off and pass-through duties, the effects were much the same, only more dramatic as far as hazy audio recollection leads me to believe – there certainly seems to be something in Audio Pro’s ACE-Bass (Amplifier-Controlled Euphonic Bass) technology. The cleaner midrange and better overall bass quality came as no surprise, because I’ve indulged in this experiment before. REL T-Zero (Farbe: High Gloss White), 6.5" Mikro Aktivsubwoofer Stück (Art# HD-008333) Preis vom: 22.05.2020, 12:40:42 (Preis kann jetzt höher sein!) That’s not really subwoofer territory according to most people, especially the aforementioned Mr Viganoni, who reckons a sub needs to be able to get to 20Hz at -3dB. Entertainment for Grownups – Hi-Fi, Home Theatre, Music, Movies, TV & Film, Gaming, Gadgets and more! Lower Frequency Response: 38 Hz at -6 dB in room. I actually have recently been undertaking study upon this theme The T-Zero didn’t slow the bass down at all, proving easily able to keep up with the speakers in terms of timing. We utilized 5 full coats of lacquer, and solid aluminium feet and badging because REL owners understand quality must extend throughout a product, not just in the most obvious locations. Despite the comparatively small driver and cabinet, the T-Zero can move a fair amount of air, but it doesn’t like to be driven outside its comfort zone. Page 11 REL Set-Up Made Simple REL products are not traditional subwoofers, but are true Sub-Bass Systems. We at REL believe this is an incomplete approach and that loudspeakers need to be extended in the lower frequencies for true full range reproduction. It’s a musical little beast, definitely suited for stereo environments, and in the right system, it’s a pleasure to listen to (I’ve heard more articulate units, albeit at a price point well above the REL’s) but users need to bear its ultimate limitations in mind when deciding to buy – if you want 20Hz flat, then you need a bigger box, end of story. http://souforum.com/. The frequency response at all frequencies from zero to half the sampling rate can be represented by a modulus spectrum of ... Modal resonances usually appear as circles when a Frequency Response Function (FRF) is plotted in real versus imaginary form or as clearly defined peaks when the FRF is plotted as a modulus spectrum. freqz can accept other parameters, such as a sampling frequency or a vector of arbitrary frequency points. Lower Frequency Response: 38 Hz at -6 dB in room. Your website has definitely offered me personally with just the facts that I actually required. always thought the bottom end lacked some punch although the mid and highs are very sweet. If you start out with something like G(s) = (s +ω n), then factor as G(s) = ω n * s ω n +1 +. Description. Having heard how good this set up can sound, it seemed the logical approach, and in this case, I used the cut inputs on the power amps to feed them a rolled off signal and ran  RCA interconnects into the sub – combined with an adapter into its low level input. The premise of T-Zero is to bring quality, the full REL connectivity suite, long throw drivers and powerful, reliable amplifiers to a new lower price point and dimension. They would be laking for my needs a little. (adsbygoogle = window.adsbygoogle || []).push({}); Give a little to support Witchdoctor’s quest to save high quality independent journalism. T ZERO Sub-Bass System Many or most loudspeakers emphasize the mid-bass. Just bought two of these to match my B&W 685 s2. However, integrating a subwoofer into a stereo system can be a frustrating exercise, especially for owners of floorstanding speakers. SUBWOOFERS ARE A bit of a conundrum. Lo and behold, exactly as promised by the Viganoni theory, the midrange was clearer and the bass seemed slightly more articulate. With the REL in place, there was a more even front-to-back distribution of bass. € 399,00. zum Angebot Fernsehservice Horvath Infos AGB. The price means that it’s possible and tempting to run a pair of them because two is almost always better than one when it comes to subs. So REL products are engineered for integration into stereo systems. }¹V" ’ÍAĞUçtºÙmwC?›ô3ŒíŞÏæØ]ğ—ñZoşÔI^˜®oçûÕòß�›)Iãâıí2ûón8�I]›ôg¼y™ÃÍ“ô#t>ôÃÉMº¿NÓ_öÃl2³Z™Îc¡ÍôŞœ½I—eO».ŞïçÛS\óıįÛäM±\ç”iÇÎ_¦¦õ¡N>©³x¬Lı�Uâ‡î¿ûr_v8¶š�ÔβxŠüL~Wä REL T-Zero << Previous Next >> Click to enlarge : Details . The gloss surface is gorgeous! By connecting to the high-level input on the REL from the amplifier, you build forward the sonic signature of your main system, including the tonal balance and timing cues of the entire electronics chain. Price: £350 (per subwoofer) Manufactured by: REL Ltd. URL: rel.net. The compact form factor obviously means that the huge drivers usually associated with subwoofers just aren’t feasible, so REL has implemented a single 6.5-inch (165mm) long-throw downward firing driver housed in a sealed cabinet and driven by 100 watts of Class D amplification. Okay, here's my question. Of course, there’ll be some combining of output of the two bass systems and this is usually what causes problems when trying to get a sub to work in a system with bigger speakers; it’s much easier with speakers that aren’t quite as bass capable. 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