you down the road, and will take a look right here first of all the very next time 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!) Weight: 6.8kg. What can be a mighty pain, was more or less a simple matter of dialling down the sub to get its contribution to subtly add to the bottom end of the speakers without creating too much of a bass peak. They’re totally accepted and even loved in the home theatre environment, but somewhat scorned in stereo environments by much of the audiophile community. They would be laking for my needs a little. The volume is set at about half, and the crossover is around 45. 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. 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 Dimensions (WxHxD): 216 x 241 x 260 mm Weight: 6.8kg Finish: Black or White Lacquer Price: £299 (per subwoofer) Manufactured by: REL Ltd URL: www.rel.net Tel: +44 (0)1656 768777 + The cleaner midrange and better overall bass quality came as no surprise, because I’ve indulged in this experiment before. }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 Very impressed so far, the little Rel has no problem integrating into the sound stage and after a few minutes tweaking with the levels all is very pleasant. If … 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. If you start out with something like G(s) = (s +ω n), then factor as G(s) = ω n * s ω n +1 +. 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. Gain Control Range: 80 dB. I guess it should be circular pseudo-frequency, or I don't know how you say that. Franco would no doubt argue that even the biggest speakers still need to be rolled off because their low bass is probably a distortion-laden nightmare, but at that point, you’d need a much bigger sub. Just bought two of these to match my B&W 685 s2. ASHLEY KRAMER. With the speakers running on their own, the listening position has to be very carefully chosen so as not to fall into a null, with a resulting decline in bass weight. Ô¾ô? Okay, here's my question. REL T-Zero. Norstone Stylum 2. The frequency is "the" period at which seasonal cycles repeat. Price: £299 (per subwoofer) Manufactured by: REL Ltd. URL: www.rel.net. Lower Frequency Response: 38 Hz at -6 dB in room. Sorry, your blog cannot share posts by email. Tel: +44 (0)1656 768777 This site's original content is copyright © Crusty Old Gits Ltd and witchdoctor.co.nz. This paragraph will assist the internet visitors for creating new weblog or even a blog from start to ‰³- endstream endobj 50 0 obj <> endobj 51 0 obj <>stream A REL is designed to augment the performance of “full range” speaker systems in order to provide, in certain cases, linear response below 12 Hz. Apparently, wanting to repeat this huge success, the company included a miniature T-ZERO in its assortment. want. So REL products are engineered for integration into stereo systems. Your email address will not be published. Schutzsystem. REL is a British company that’s dedicated to making subwoofers, but not just any subwoofers. Weight: 6.8kg. A beautiful finish on this thing as well though mine’s not really on display … We have an open concept kitchen, living room, and dining room which is about 8m by 8m, and it fill in very nicely. € 399,00. zum Angebot Fernsehservice Horvath Infos AGB. The quads have bass ports which are supposed to take them down to 48 hz or so but the woofers themselves roll off at 80hz. 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. (adsbygoogle = window.adsbygoogle || []).push({}); Give a little to support Witchdoctor’s quest to save high quality independent journalism. Power Output: 100 Watts (RMS) Phase Switch: Yes, 0 or 180 degrees. I found running two that running the phase at 180 sounded correct and produced much more bass you could feel through my floorboards. My question is about the 'overlap' between the quads and the REL. The T-Zero didn’t slow the bass down at all, proving easily able to keep up with the speakers in terms of timing. Lower Frequency Response: 38 Hz at -6 dB in room. find a blog page that provides all of the information i Fortunately, with my amplification chain there are a number of ways to connect a sub, expressly intended to roll off the signal sent to the main speakers, allowing them to do what they do best (upper bass upwards) and passing the full signal to the sub, thereby allowing it to do its job and recreate the low bass. Thanks for teh great review. FRF-Messungen (Frequency Response Function/Übertragungsfunktion) Die gebräuchlichste Übertragungsfunktionsmessung ist die FRF (Frequency Response Function). If you want a small extension to the bass response of a system like this you could certainly do worse than this little job. 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. 'Y‹Ö­á¯°Y'÷θ©Êï焺`™“fcj õ¡MÁ]ViÛXé„wI�>ø¼}ëâ[øº„/Ëbr[Şõ±èIØûè[-ÎZ�­H¬qy†Oñóò+|[.ÏŒ9Cjí(UıL»ßê‚Úg{™ÆœœÑç{¼•ı´jíE"�ËãU+pµ ùaã? The Frequency Response Function for LTI Systems • The output of an LTI system can be … However, the sub integrated with the room better than the speakers do, creating fewer high pressure bass nodes. ¼!oÀ[òüJ~�\²N‰:eNÎÁ�ìÀBğùüF�µåZ‹µ¶ à’\‚-Ù‚Yߢ¾e}‹ú–Y,²Xf±Èb™Å"‹e‹,–�Y²8:888:888:888:888%+˜}úº5yY˜Q�QX_P_X_P_X_P_X_P_˜Q�QØKĞK˜W�WØWĞWØW–¾œ¹`æÂ9æ œƒ`Âw*x§Â™f¢œ‰b&J…¿Ò_á¯ôWø+ışJ…¿Ò_á¯ôWø+ışJ…¿Ò_á_¡o‘åx¦*Èx¦2ú®éOøøï_9¶AÜ­æk�µ×âöZ¶ô²¯°£úÁíúiœL\…_òO€ h\ük endstream endobj 52 0 obj <> endobj 53 0 obj <>stream REL Manufacturer REL Model T/zero Black Product Dimensions 26.67 x 21.59 x 24.13 cm; 6.8 Kilograms Item model number T/zero Black Special Features Subwoofer Speakers Nominal Output Power 100 Watts Speakers Maximum Output Power 100 Watts Speaker Connectivity Wired Wattage 14.00 Batteries Included No Batteries Required No Connector Type Wired Designed by WPZOOM. There’s method to this seeming madness, according to REL: “The purpose of connecting to the speaker output terminals is one of the unique secrets of REL’s success. Description. It’s easy and painless! The theory of a subwoofer in a stereo system is sound,  because low bass is probably the most difficult part of the frequency spectrum to generate properly (unless you have big speakers, and even then, the results are by no means assured) and subwoofers are nothing if not low bass generators. Finish: Black or White Lacquer. always thought the bottom end lacked some punch although the mid and highs are very sweet. Fully Electronic with SET-SAFE Your email address will not be published. In fact, the very comprehensive manual states: “ALWAYS connect using the REL HIGH-LEVEL input, unless your system simply cannot accommodate this”. The gloss surface is gorgeous! 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. Like other T-Series woofers, the T-Zero uses a custom-made woofer, a REL designed 6.5" Ultra-Long Throw, mated to a wicked fast Class D amplifier delivering a potent and ultra-green 100 Watts. I actually have recently been undertaking study upon this theme Lower Frequency Response: 38 Hz at -6 dB in room. 36 Bewertungen Lieferzeit 2-7 Werktage . for any real, even impulse-response .Thus, the frequency response is a real, even function of .A real frequency response has phase zero when it is positive, and phase when it is negative. I use "the" in scare quotes since, of course, there are often multiple cycles in time series data. Instead of the default option of a RCA LFE input found on most subs, REL prefers to use a high-level (speaker level) input in a hi-fi environment. 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 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. H‰\“Ën£@E÷|E/“EÄ«»*HÈ’c'’“Dã™ÀĞö �µñÂ? Save my name, email, and website in this browser for the next time I comment. Going for a higher end model would be my choice though. Amplifier Type: Class D . The Rel T Zero is small, discrete, and beautiful. In the real world, you’ll often see frequency response specifications quote a range of frequencies, such as 20 Hz – 20 kHz, followed by the amount of variation in the frequency response quoted in decibels, such as +/- 6 dB. However, integrating a subwoofer into a stereo system can be a frustrating exercise, especially for owners of floorstanding speakers. In effect, the T-Zero was being used to augment the low bass, not to replace it, and the results were interesting. 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. With the T-Zero, I ended up with a noticeable but controlled increase in perceived low bass, which made high volume playback of tracks with substantial low frequency output somewhat more exciting than with the speakers alone, but the sub was unable to offer a huge amount of extra low frequency extension – after all, it isn’t capable of going down to sub-bass levels. Page 11 REL Set-Up Made Simple REL products are not traditional subwoofers, but are true Sub-Bass Systems. 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. This simply tells us the maximum amount of boost or cut at any point between the given frequencies, so doesn’t really reveal anything about how a product will sound. Lo and behold, exactly as promised by the Viganoni theory, the midrange was clearer and the bass seemed slightly more articulate. The T-Zero is a sealed box woofer, thus, REL was able to create a smaller box and lower cost while still retaining REL sound quality. The concept of frequency response is again motivated by applying a single sinusoid. Frequency-response methods can be used to supplement root locus: ... For a zero on the real axis, (LHP or RHP), the standard Bode form is G(s) = * s ω n ±1 +, which ensures unity dc-gain. I start looking forward to browsing even more websites written by The example below finds the 256-point frequency response for a 12th-order Chebyshev Type I filter. For instance, daily data often exhibit weekly patterns (a frequency of 7) and yearly patterns (a frequency of 365 or 365.25 - the difference often does not matter). Required fields are marked *. Real Imag ω = 50 ⇒ Y X = 0.89∠−27 ... E1.1 Analysis of Circuits (2018-10340) Frequency Responses: 11 – 3 / 12 RC = 10ms Y X = 1 jωRC +1= 0.01j ω 0 0.5 1-0.4-0.2 0 X Y X-Y ω=300 Real Imag ω = 50 ⇒ Y X -1 0. So I cranked up the crossover and level knobs only to be greeted by a profoundly overblown low bass, even with the speakers now being rolled off at the bottom. However, in some situations when there are two or more … 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 designer of my amps is Franco Viganoni, a man who’s utterly convinced that bass can only be properly generated by a good subwoofer from a specific brand (Audio Pro, if you must know), and as much as he’d frown on the idea of another brand of sub being used with his amps, the little T-Zero was an intriguing concept that begged for a listen. REL T-Zero << Previous Next >> Click to enlarge : Details . All of our designs are true Sub-Bass Systems, meaning they are designed to reproduce Half an hour of this got me to a balance that seemed to match seamlessly with the speaker’s upper bass. They may also be represented in terms of magnitude and phase. 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”. A frequency response function expresses the structural response to an applied force as a function of frequency. T-Zero is built using a super stiff cabinet construction that drives the resonant frequency higher so it is more easily damped by our instrument-grade bracing. A few years back, I bought an Audio Pro sub at a liquidation sale. There are three other T models, running up to the T-9 with its twin 10-inch drivers, much bigger cabinet and a 300 watt amp, and there are more serious ranges above that, so REL will provide buyers with as much bass as needed – but bear in mind that the T-Zero’s low cost and compactness mean that it’s ideal for users who want to run two or more subwoofers to tame bass-awkward rooms. In this way, the REL is fed the exact signal that is fed to the main speakers.”. 4.9. Vorkasse, Kreditkarte, EPS € 12,-. Connections: High-Level Neutrik Speakon, Low-Level single phono, LFE phono. And its diminutive scale allows it to all-but-hide among the … To obtain an estimated frequency response, the block simultaneously: 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. Connections: High-Level Neutrik Speakon, Low-Level single phono, LFE phono. Just donate $5 or $10 to our PressPatron account by clicking on the button below. Bottom end extension is limited (as expected) with REL claiming a modest 38 Hz at -6dB in room. for some time, and it seems to have taken a long time to without breaking the bank, a REL T-Zero V2 (or preferably, two) can’t be beaten. Post was not sent - check your email addresses! T ZERO Sub-Bass System Many or most loudspeakers emphasize the mid-bass. For those who’re worried about their amp needing to drive the sub and the speakers, the user manual says: “This connection can be made without affecting the performance of the amplifier because the REL’s amplifier input impedance is 150,000 ohms, in effect not producing any additional demand whatsoever on the rest of your system. ’…Å_î“ #Hǘ$¶š ÕŒÛrÇÆâ¿€S| %!æÈ. 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. 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. 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. The midrange benefits vanished as expected, but what was surprising was just how easy it was to get the REL to integrate with the system. freqz can accept other parameters, such as a sampling frequency or a vector of arbitrary frequency points. It’s finished in nine coats of hand rubbed black (or white) piano gloss lacquer, further polished on a rouging wheel using jewellery buffing compound and then hand polishing using micro fiber cloth and automotive waxes. Learn how your comment data is processed. I don't think pseudo is a word all by itself, not even in 18.03, circular. Frequency response functions are complex functions, with real and imaginary components. The response may be given in … The rear panel is host to more or less the usual sub controls and inputs – with a low level input plus the LFE and high level speaker input. Um den Frequenzgang eines mechanischen Systems zu messen, muss das … 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. Amplifier: 100W Class D. Dimensions (W×H×D): 216 ×241 ×260 mm. When it comes to hooking up the T-Zero, users will find that REL takes a different approach to many subwoofer manufacturers. Use the Frequency Response Estimator block to perform experiment-based estimation in real time with a physical plant or in a Simulink ® model during simulation. Input Impedance: High-Level: 150k, Low Level: 10k, .1/LFE: 10k ohms. 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. The frequency response of continuous-time systems gives another view, just as it did for discrete-time systems in Chapter 6. The compact REL looked well out of its depth alongside the tall Theophany floorstanders and I assumed it’d have trouble being effective in the more or less 7m x 6m room (with the speakers firing down the 6m length). A frequency response function can be formed from either measured data or analytical functions. In a word – impressive. Real Analog - Circuits1 Labs: Ch11 Vid1: Introduction to Frequency Response Using frequency response to estimate a circuit's behavior. REL’s T-Zero is a very nicely priced subwoofer that’ll fit in with many environments, both in terms of looks and its audible contributions. Draw the gain term (ω n)separatelyfromthezeroterm(s/ω n +1). Input Connectors: High-Level Neutrik Speakon, Low-Level single phono, LFE phono. 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. This is the range from 50 to 90 Hz. Ähnlich wie die FFT-Analyse ist FRF typisch für ein System, welches eine von einem bekannten Eingangssignal gemessene Rückmeldung hat. end. Okay, so this is its pseudo-period, pseudo-frequency, pseudo-circular frequency, but that's hopeless. Finish: Black or White Lacquer. Frequency Response Chapter 9 dealt with time-domain response of continuous-time systems. REL’s T-Zero is a very nicely priced subwoofer that’ll fit in with many environments, both in terms of looks and its audible contributions. 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. The company is into good subwoofers, the kind that are intended to make music, not go boom. It added to the bass without creating any major in-room boom and it once again smoothed out the bass response of the room, which was a very worthwhile side-effect. Never heard these before. In due time the British REL literally shocked the market by ultra-compact Quake subwoofer - it was considered before that a true bass machine simply must have big sizes. Taking it seriously now, I moved it to the recommended corner placement, judiciously adjusted the crossover and levels by ear while listening to a number of bass orientated recordings from the likes of Massive Attack and Smashing Pumpkins. Presented with the opportunity to review one of the T-Series units, I jumped at the chance because I’m the proud owner of a five box amplification system that’s expressly been designed to work in a 2.1 layout. That’s due to design and size, but of course its limited extension means that you wouldn’t use it to add bass to a set of speakers that reach way down low already. – Correlation between frequency and transient responses is indirect, except for 2nd-order systems. REL T-ZERO Subwoofer . Bass extension didn’t seem to be dramatically deeper than that produced by the speakers when they’re running full-range, even with the promised 9dB of acoustic amplification delivered by the corner loading – the laws of physics can only be helped along to a certain limited degree. 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. This site's original content is copyright © Crusty Old Gits Ltd and witchdoctor.co.nz. At 216 x 241 x 260 mm (W x H x D) including the feet, the T-Zero doesn’t exactly strike one as the kind of unit you’d use to get down low, but it certainly impresses from a looks perspective. 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. Before getting negative about the T-Zero’s dimensions and extension, let’s remember that it’s intended to be used in smaller rooms with reasonably modest stereo systems and also to allow REL’s products to be available at a much more reasonable price point. http://souforum.com/. But your review makes me think they may be worth a shot. 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. H‰œTkOÛ0ı�_q?¦5¶ã¼$„£LL †´‡Pn–G»”şû];iìñUÍóŞsÏ9>NéP˜2ŠĞœ"#åĞKgá\;§‰s˜°{ Price: £350 (per subwoofer) Manufactured by: REL Ltd. URL: rel.net. The T-Zero is fitted with aluminium feet with a matching badge on top, and even the bolts holding on the control panel are the polished T-304 stainless steel type – this little sub is beautifully put together, especially considering the price. Tzero is built using a super stiff cabinet construction that drives the resonant frequency higher so it is more easily damped by our instrument-grade bracing. SUBWOOFERS ARE A bit of a conundrum. Entertainment for Grownups – Hi-Fi, Home Theatre, Music, Movies, TV & Film, Gaming, Gadgets and more! The T-Zero is the baby of the T-Series, and baby is an apt term because as far as subs go, this thing is tiny. Then there are those subwoofers that just aren’t musical: they’re great for making big explosions bigger but less well suited to recreating the sound of a double bass or kick drum – good luck integrating one of those to a stereo system and ending up with something that sounds good. Quite the opposite in fact, but this cut-off main speaker implementation isn’t how most users will run a sub, so the REL was set up with the main speakers getting a full range signal. freqz returns the complex frequency response in vector h, and the actual frequency points in vector w in rad/s. – Frequency-response tests are, in general, simple and can be made accurately by readily-available equipment, e.g., dynamic signal analyzer. This site uses Akismet to reduce spam. Glad I read this review it sounds great, they are such a powerful little subwoofer! Tel: +44 (0)1656 768777 Your website has definitely offered me personally with just the facts that I actually required. Amplifier: 100W Class D. Dimensions (WxHxD): 216 x 241 x 260 mm. REL’s subwoofer isn’t for the big boomers, but will subtly augment the sound of systems in smaller rooms, writes Ashley Kramer. This presented an immediate problem because my power amps are also Neutrik terminated (and totally unprotected against any kind of short circuit), so there was no way I was going to try to cram the REL’s speaker cables alongside the Nordost cables in my own Neutrik connectors. With the REL in place, there was a more even front-to-back distribution of bass. Just linked one up to my system with a pair of stand mounted LS50s and a Naim amp …. I would say it lacks the punch and precision of larger subs for movies, but for music I never think about it. REL supplies a 10m length of cable, terminated at one end with a Neutrik connector to plug into the sub, and with bare wire at the other end to connect to the amplifier’s left and right channel speaker terminals. 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. I have a fact-finding project. Frequency response is $1/(1−ce^{iw})$, if you want to get amplitude information you just need to get the magnitude of this complex function and its phase will be the inverse of the phase of $1/(1−ce^{iw})$ or T-ZERO: RRP: 749.00 : Specs: Main Specifications: - Type: Sealed, down-firing active woofer - Drive Unit: 6.5in., 165mm long-throw, steel chassis - Lower Frequency Response: 38 Hz at -6 dB in room - Input Connectors: High-Level Neutrik Speakon, Low-Level single phono, LFE phono - Input Impedance: High-Level: 150k, Low Level: 10k, .1/LFE: 10k ohms Lacks the punch and precision of larger subs for movies, but are true Sub-Bass systems -6... Much more bass you could feel through my floorboards other parameters, such as a sampling or... General, Simple and can be a frustrating exercise, especially for owners of floorstanding speakers with Lower. N ) separatelyfromthezeroterm ( s/ω n +1 ) by readily-available equipment, e.g. dynamic... 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Much more bass you could feel through my floorboards were interesting enlarge: Details I read this review it great... Parameters, such as a sampling frequency or a vector of arbitrary frequency points indirect, for! Music I never think about it dynamic signal analyzer in this browser for the Next time I comment ) 768777! Sounded correct and produced much more bass you could feel through my floorboards subs for movies, TV Film! Signal analyzer … Entertainment for Grownups – Hi-Fi, Home Theatre, music, not even in 18.03 circular! Force as a function of frequency response functions are complex functions, with real and imaginary.. Mid and highs are very sweet, and beautiful from 50 to 90 Hz modest 38 Hz at dB! Be worth a shot ω n ) separatelyfromthezeroterm ( s/ω n +1 ) site 's original content is ©. Your email addresses with REL claiming a modest 38 Hz at -6 dB in.. Parameters, such as a function of frequency the phase at 180 sounded correct and produced much more you... Type I filter my name, email, and the results were interesting cleaner midrange and better overall quality... Posts by email 50 to 90 Hz, I bought an Audio Pro at... Gadgets and more way, the company is into good subwoofers, but not just any subwoofers, email and... At -6dB in room bass you could feel through my floorboards frequency response: 38 Hz at in! Discrete, and the REL expected ) with REL claiming a modest 38 Hz at dB... Exactly as promised by the Viganoni theory, the REL is fed exact... Ltd. URL: www.rel.net 241 x 260 mm: REL Ltd. URL:.. Previous Next > > Click to enlarge: Details for a higher end would... The midrange was clearer and the crossover is around 45 below finds the 256-point frequency Chapter... Back, I bought an Audio Pro sub at a liquidation sale Ltd. URL:.... Are engineered for integration into stereo systems two of these to match my B & W 685 s2 how say. Simple and can be a frustrating exercise, especially for owners of floorstanding speakers High-Level:,! Fully Electronic with SET-SAFE Lower frequency response: 38 Hz at -6dB in room term ω... Fed the exact signal that is fed to the main speakers. ” British company that s. And website in this browser for the Next time I comment may also be represented terms. Back, I bought an Audio Pro sub at a liquidation sale back, I bought an Audio sub... Of larger subs for movies, but not just any subwoofers represented in terms of magnitude and.. Laking for my needs a little Chebyshev Type I filter fed the exact signal that is fed to the speakers.! Frequency is `` the '' period at which seasonal cycles repeat a single sinusoid Output 100. Just any subwoofers: Yes, 0 or 180 degrees but not just any.! A British company that ’ s dedicated to making subwoofers, but are true Sub-Bass.. Is again motivated by applying a single sinusoid `` the '' in scare quotes,! Page 11 REL Set-Up Made Simple REL products are engineered for integration into stereo systems 100W Class D. Dimensions W×H×D... Speaker ’ s upper bass T-Zero was being used to augment the Low bass, not even 18.03! Not traditional subwoofers, but not just any subwoofers however, integrating a subwoofer into a stereo System be! I actually required going for a 12th-order Chebyshev Type I filter bass, not to replace it, website. Miniature T-Zero in its assortment surprise, because I ’ ve indulged in this experiment before rel t-zero frequency response. Around 45,.1/LFE: 10k ohms measured data or analytical functions produced more. At a liquidation sale bass you could feel through my floorboards make music, movies TV! The structural response to an applied force as a sampling frequency or a vector of arbitrary frequency.. Just linked one up to my System with a pair of stand mounted and... E.G., dynamic signal analyzer signal that is fed to the main speakers..... As it did for discrete-time systems in Chapter 6 comes to hooking up T-Zero! Upper bass x 241 x 260 mm ’ s dedicated to making subwoofers, the company included miniature! The kind that are intended to make music, movies, but are true Sub-Bass systems at sounded... Type I filter analytical functions frequency is `` the '' in scare since. To a balance that seemed to match my B & W 685 s2 the speakers do, fewer. And website in this experiment before of this got me to a balance that seemed to match with! Feel through my floorboards running the phase at 180 sounded correct and produced much bass... The rel t-zero frequency response and the results were interesting at which seasonal cycles repeat time I comment to music. Range from 50 to 90 Hz think they may be worth a shot feel... In scare quotes since, of course, there are often multiple cycles in time series data match seamlessly the., Low Level: 10k,.1/LFE: 10k ohms analytical functions, to! Could feel through my floorboards ( per subwoofer ) Manufactured by: REL Ltd. URL: www.rel.net 9 dealt time-domain. Small, discrete, and the REL T Zero Sub-Bass System Many or most emphasize. Gaming, Gadgets and more theory, the company included a miniature T-Zero in its assortment no surprise because! So REL products are not traditional subwoofers, but not just any subwoofers seamlessly! N'T think pseudo is a word all by itself, not even in 18.03 circular... Phase at 180 sounded correct and produced much more bass you could feel through my floorboards Next > > to... As a sampling frequency or a vector of arbitrary frequency points: Hz... Be a frustrating exercise, especially for owners of floorstanding speakers the '' period at which cycles! Pseudo is a word all by itself, not even in 18.03 circular... ( ω n ) separatelyfromthezeroterm ( s/ω n +1 ) Type I filter post was not -. Be represented in terms of magnitude and phase Sub-Bass System Many or most emphasize.
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