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	Bass reflex - Wikipedia, the free encyclopedia
		Bass reflex is a type of loudspeaker enclosure that utilizes the sound from the rear side of the diaphragm to increase the efficiency of the system at low frequencies as compared to a typical closed box loudspeaker.
		In contrast to closed box loudspeakers, which are substantially air tight, a bass reflex system has an opening called port or vent which consists of a pipe or duct of circular or rectangular cross section.
		A poorly designed bass reflex system, generally one that is tuned too high, can ring at the tuning frequency and create an unpleasant booming one-note quality to the bass frequencies.
	en.wikipedia.org /wiki/Bass_reflex (437 words)

	Dave Whitlock: Fishing Bass Flies (Site not responding. Last check: 2007-11-03)
		Most bass, especially large ones, are efficient and crafty; they prefer to ambush a helpless or careless creature rather than engage in a tiring high-speed chase of a terrified thing.
		If a big bass is in a rare aggressive mood, the fast retrieve works better; but if this reckless attitude was common among big bass, there would be few of them swimming around, because most artificial-lure fishermen fish their lures with rapid retrieves.
		Large bass clamp down so tightly on what they believe to be a crayfish, minnow, frog, or snake that it is difficult with a fly rod to overcome that bite grip enough to move the fly in their mouth and hook them.
	www.flyfield.com /bassfly.htm (4123 words)

	AudioVideo101.com - Learn About Audio/Video - Articles (Site not responding. Last check: 2007-11-03)
		Bass reflex enclosures, or ported enclosures, are some of the most frequently used in conjunction with low frequency drivers (along with sealed enclosures).
		However, a ported (bass reflex) enclosure allows a portion of this sound energy to travel through a port and exit the enclosure thereby reinforcing the output from the front of the driver.
		While bass reflex enclosures benefit from increased efficiency, however, they are not able to operate as precisely or as deeply as sealed enclosures.
	www.audiovideo101.com /learn/articles/speakers/speakers15.asp (648 words)

	Bass Reflex Loudspeakers (Site not responding. Last check: 2007-11-03)
		This has the effect of projecting bass frequencies from the port in phase with the sound from the front of the cone, at least at the resonant frequency.
		The overall effect is the increasing of bass efficiency and the extension of the bass response to lower frequencies.
		A bass reflex enclosure can extend the bass response significantly below the loudspeaker resonance.
	hyperphysics.phy-astr.gsu.edu /hbase/audio/basref.html (155 words)

	Lowther USA Bass Reflex Speaker Cabinets For Sale.
		A properly designed bass reflex enclosure only does two things.....it holds the driver in the right position and it makes bass.
		For bass reflex enclosures, you have a choice of three different lines of Lowther drivers.
		With bass reflex designs, the cabinet is inert and contributes nothing but bass to the presentation.
	www.oldhifi.com /bassreflex.html (768 words)

	Essay
		Even though loudspeakers utilizing bass reflex techniques (i.e., ported or passive radiator designs) are quite common, or maybe even the norm if you carouse the average audio/video retailer.
		The resonant character, in fact, has no effect on efficiency, which is determined by the strength of the motor and the mass of the cone, as well as the radiating area of that cone.
		Because the Q values of the reflex system and the active driver determine the shape of their response, in order to change from a sealed to a ported design, or vice versa, the cabinet, driver, or both must change.
	www.hometheaterhifi.com /volume_5_2/cmilleressayporting.html (3611 words)

	AudioVideo101.com - Audio/Video Dictionary (Site not responding. Last check: 2007-11-03)
		The port allows audio output generated from the back-side of a speaker driver to be used (as a speaker driver moves in and out to generate sound waves the front of the driver creates the primary sound energy heard, however, the unseen rear side of the speaker also moves air and produces sound waves).
		While a ported bass reflex enclosure is more efficient and able to produce more bass output than a sealed enclosure, a ported enclosure generally does not have quite as high a level of articulation and detail.
		Additionally, a sealed enclosure is able to play lower in the frequency spectrum compared to a ported or bass reflex enclosure (but not louder for a given input).
	www.audiovideo101.com /dictionary/bass-reflex.asp (311 words)

	Car Audio Bass Blockers \| Model #EC-200.0 \| Stereo Capacitors
		It is used to isolate regular source speakers from heavy bass.
		This prevents the speakers from being damaged by very low bass, and also limits possible phase conflicts.
		The lowest bass is handled by the bass system.
	www.electronixwarehouse.com /car/accessories/bass-blockers.htm (98 words)

	Bass cabinets
		The bass really poses a dilemma for me as I want the speed of the Altecs yet also a good foundation in the low end to at least 35-40Hz.
		I settled on a system that is a combination of the horn loaded LaScala and the reflex loaded Onken.
		The compromise is that it does not produce the theater style bass of the Onken, but I think that what it does offer is well worth the change (I would never go back).
	www.vt52.com /diy/myprojects/speakers/bass/bass.htm (655 words)

	Hartke VX215 Bass Reflex Cabinet \| Sweetwater.com
		Hartke's new VX Series bass reflex cabinets were designed for bassists who demand excellent tone but prefer traditional paper cone drivers.
		The new VX215 Bass Reflex Cabinet delivers warm, punchy enclosures and features proprietary drivers with specially treated cones, impregnated fabric surrounds and matched convex dust caps.
		The paper cones are specially treated to optimize tone and durability, and the surrounds are impregnated with proprietary resins to increase agility.
	www.sweetwater.com /store/detail/VX215 (409 words)

	Good Cheap Bass Reflex Fullrange (Site not responding. Last check: 2007-11-03)
		Depending on your tastes, this is not too likely to be objectionable to those who like bass reflex speakers.
		This resonance is of slightly higher Q than average for bass reflex (ported) speakers.
		Bass -3 dB point: 54 Hz This speaker gives fairly full bass with fairly good efficiency.
	members.misty.com /don/1909.html (395 words)

	3DsoundSurge: Frequently Asked Question (Site not responding. Last check: 2007-11-03)
		In a bass reflex or tuned port design, part of the back wave of the speaker is used to reinforce the front wave usually in the bass.
		The increased output obtained in a bass reflex design can be used by the designer either to improve efficiency or to extend low frequency response.
		An advantage of bass reflex design over acoustic suspension design is that the relatively higher efficiency of the former permits the same amount of bass to be produced with far less woofer travel or excursion.
	www.3dsoundsurge.com /faqs/2.html (10678 words)

	Tannoy Mercury M2 loudspeakers [English]
		A slight tendency to bass boom from the resonant cabinet limits the performance of the bass range: with a stiffer cabinet I'd have rated it excellent for the price.
		The mid range is natural, just a little bit behind the bass and the highs, but still very enjoyable, even when reproducing difficult female voices.
		In this case it is the slowness of the bass, nothing particularly relevant, especially considering the price, but still quite noticeable (one of the first things you hear when you compare the M2 to smaller, similarly priced loudspeakers, such as the Wharfedale Diamonds, for example).
	www.tnt-audio.com /casse/mercury2e.html (1400 words)

	Enclosure types and comprisons sealed bandpass vented bass reflex
		The bass reflex box is a little more complicated than the sealed box.
		A lot can be said about the bass reflex box, but let's go into pros and cons.
		The single reflex bandpass is the bandpass that will affect the sound quality least negatively of all bandpass types.
	www.carstereopro.com /technical/boxes.htm (1132 words)

	Overcoming the Problems of Trunk Bass
		The most obvious problem is the lack of bass in the main listening cabin.
		Taking the logical approach, we would be curious to know how the bass is heard in the listening cabin when the box is in the trunk.
		For those people who like the slammatotious bass of a psycho bandpass, you are in luck if you plan on building a custom enclosure.
	www.teamrocs.com /technical/pages/trunk.htm (956 words)

	BassLine a new acoustic sound invention attributed to acoustic refinement for bass reflex speakers
		When BassLine panels are installed in a speaker cabinet it changes the acoustical atmosphere conducive to capturing the sound produced by the back-wave, from the bass driver.
		Excellent bass range clarity is a result from these simple acoustic panels.
		It was also noted that the BASS sound from the subs was crisper and cleaner, eliminating distortion.
	www.basslinear.com /product.html (1227 words)

	Triangle Titus 202 [English]
		This means the midwoofer reproduces both the bass and the mid range, leaving the high range to the tweeter.
		Extremely deep bass and powerful percussions are able to force ANY woofer well beyond its physical limit, even at moderate listening levels.
		Bass performance aside, the rest of the audio spectrum is reproduced in a very coherent way (after all, a single driver does most of the job!).
	www.tnt-audio.com /casse/titus202_e.html (3298 words)

	BassLine SpeakerPanels are an alternative solution to acoustic problems
		This was done to better capture the sound that is created off the back of the bass driver mounted in the cabinet.
		Before Bass Reflex was created, all speaker cabinets were sealed units that only used the sound from the front of the bass driver.
		The solution they came up with was to dampen or muffle out the low frequency distortion by applying an insulation to the inside walls of the cabinet.
	www.basslinear.com /theory.html (1242 words)

	Hartke VX 215 Bass Reflex Cabinet Bass Cabinets (Site not responding. Last check: 2007-11-03)
		The new VX Series bass reflex cabinets were designed for bassists who demand excellent tone but prefer traditional paper cone drivers.
		it's has low bass tones that shake the stage and very clear highs for the solo's.it will impress people.And I think just it is as good as the aluminum cone hartke's but that's pushing it.
		Not only is this thing powerful..its probably also one of the most crisp, clear sounding bass cabinets I've heard/played in my life.
	www.music123.com /Hartke-VX-215--Bass-Reflex-Cabinet-i91145.music?t=4 (616 words)

	BassLine is a new sound SpeakerPanel invention attributed to acoustic refinement for bass reflex speakers
		Bandmates at rehearsal were equally impressed with the improvement, not only in my sound alone, but with the sonic clarity it provided to the whole unit.
		My bass no longer rumbled loudly like we all had come accustomed to.
		We were all clearly being introduced to "a new dimension in sound" as promised.
	www.basslinear.com (1051 words)

	Crutchfield Tech Support: What is a bass reflex speaker?
		Unlike an acoustic suspension speaker that uses a sealed enclosure, a bass reflex speaker includes a port (a hole in the box tuned to a specific frequency) or bass radiator (often referred to as a "drone cone") to produce more bass output in a tuned frequency range.
		With a bass reflex design, efficiency is better - a bass reflex speaker will play louder than an acoustic suspension speaker when driven with the same amount of amplifier power.
		This can be a big benefit, especially if you're using a low-powered receiver or amp.
	www.crutchfield.com /ISEO-ryspcspd/tech/kb456.html (120 words)

	Car Audio : bass reflex for 6x9’s (Site not responding. Last check: 2007-11-03)
		my question is how do i go about modifying them for bass reflex.
		But in general those speakers are not designed for bass reflex OR acoustic suspension (in your enclosures) mounting, they are designed for free-air mounting in a rear deck.
		you could fit some 8" mid basses or even tens that are the same size as those boxes.
	www.the12volt.com /installbay/forum_posts.asp?TID=48915&get=last (631 words)

	The Tech-T Glossary A-F
		Bass Reflex cabinets use an opening, or port, in the speaker cabinet to enhance bass frequencies.
		The idea is that the sound pressure generated by the back of the woofer (inside the cabinet) is routed out the port, where it is mixed with the sound coming from the front of the woofer.
		Generally caused by overloading a low-frequency speaker, frequency doubling makes bass instruments sound an octave higher than they really are.
	www.technical-t.com /Tgloss.html (11687 words)

	Ariel Speaker Page (Site not responding. Last check: 2007-11-03)
		The Ariel seeks the elusive middle ground between low-efficiency audiophile speakers and refrigerator-sized high-efficiency horn systems, using twin transmission-line bass loading to get the deepest bass and clearest midrange.
		But I'd be the first to admit it's a challenging speaker to build - so I created a companion speaker, the ME2, which is more compact and a lot easier to construct.
		What would otherwise be somewhat limited bass in a large room will be nicely filled out in a small room.
	www.nutshellhifi.com /Ariel.html (889 words)

	Designtechnica Forums - Bass reflex 12-15" floor standing speakers
		What brands are left for home 12-15" bass reflex speakers that can handle 200-300 watts for SUSTAINED amounts of time?
		I already blew out 3 pairs of KLH 9250B speakers, (I return the same pair to BestBuy each time they blow out).
		I've seen other brands in stores but mostly small bass and for home theater use.
	forums.designtechnica.com /printthread.php?t=5155 (308 words)

	Bass-reflex enclosure
		A speaker cabinet enclosure in which a portion of the radiation from the rear of the cone is channeled to reinforce the bass tones.
		A loudspeaker enclosure, with an open port cut into the front baffle.
		Bass-reflex enclosure -- A speaker cabinet enclosure in which a portion of the radiation from the rear of the cone is channeled to reinforce the bass tones.
	lp2cd.com /audio_terms/b/bass_reflex_enclosure.html (98 words)

	Klipsch ProMedia Ultra 5.1 Review
		With a subwoofer enclosure that is 20 percent larger, the ProMedia Ultra 5.1 subwoofer incorporates a series of refinements designed to increase efficiency for more total output, lower distortion and deepen bass extension.
		These improvements include a lower tuning frequency, a voice coil that is 60 percent longer and a larger, slotted port.
		The subwoofer is a bass-reflex type with dual 8-inch side-firing woofers and convex driver dust caps for unsurpassed high output linear bass response.
	www.ntcompatible.com /story30205.html (346 words)

	Bazooka TVB-141 Bass Reflex Subwoofer (Bazooka-TVB141) - PriceGrabber.com
		Bazooka TVB-141 Bass Reflex Subwoofer (Bazooka-TVB141) - PriceGrabber.com
		Shipping costs are based on an estimate of UPS ground or equivalent carrier within the contiguous US, excluding Alaska and Hawaii
		Report a pricing error on the Bazooka TVB-141 Bass Reflex Subwoofer
	www.pricegrabber.com /search_getprod.php/masterid=2609422 (48 words)

	Vektor-Germany · Studio für Kontrabässe · Studio for Double Basses
		We carry as well a large selection of new basses at reasonable prices which don't appear in the following list.
		The strings produce a strong well-balanced sound with a rich bass and openharmonic range.
		Bass Reflex 10" woofer for PA combination with PUB 280
	www.vektor-bass.de /cybshop.htm (730 words)

	Behringer BX108 Thunderbird Bass Amplifier - SameDayMusic.com (Site not responding. Last check: 2007-11-03)
		He's got the PC up and running and a cookin' drum loop is coming from the soundcard.
		Or, if you play keyboards, to give those bass or guitar samples an extra touch of realism for your demos or MIDI productions.
		And don't leave home without one: it's about the best thing you can have along on tour for warming up before the gig or keeping your chops up in the hotel room on a day off.
	www.samedaymusic.com /product--BEHBX108 (507 words)

	Bass Guitar Amps, Bass Amplifiers
		Here's an ultra-compact bass combo that's perfect for practice or home-recording applications yet more >
		One Of The Most Popular Bass Amps In The History Of The Music Industry Has Been more >
		The Yamaha BBT 500H bass amp delivers 500 punchy class-D watts, yet it weighs only ten and a half more >
	www.wwbw.com /Bass-Amps-d116.music (142 words)

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