FOSTEX FX120 -12CM Broadband FullRange FX 120 - 1 Pair
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FOSTEX FX 120 - PAIR
NOBLE 12 CM FULL RANGE CHASSIS
EDELE 12 CM WIDE RIBBON CHASSIS OF THE FX SERIES
Impedance 8 Ohms
RESONANCE FREQUENCY 65 HZ
FREQUENCY RANGE: Fu - 20000 HZ
NOISE: 89 dB / W / 1m
LOAD CAPACITY: 30 W
MEMBRANE MASS 5,3 G
TOTAL QUALITY FACTOR 0,46
TOTAL WEIGHT: 1,32 KG
ADV. NET INSTALLATION VOLUME: 10 L - IDEAL INSTALLATION: DOUBLE BASS REFLEX HOUSING DBR 120 (amazing bass from a small cabinet) -
FOUND. TWEETER: 27 FT D
VERY BALANCED FREQUENCY RESPONSE WITH LIGHT LEVEL WASTE AB 15000 HZ. NATURAL SOUND WITHOUT ANY SOFT OR CORRECTION! BROADBAND SMALL SPEAKER OF THE HIGHEST QUALITY FOR BASS REFLEX HOUSING. MAY STUDIO WITH RING RADIATORS LIKE A OR T 90 T 925 A A SET OF A CLASS ARE ADDED!
REVIEW SOUND & SOUND 4/2009 ! - Included in delivery: 1 PAIR
Their Diaphragms drivers produce sound by moving back and forth to create compressional waves. The sound radiated from the front and back of Diaphragms is identical except did Their phases are opposite. What will happen if drivers are driven unbaffled, or mounted to nothing? As illustrated, sounds radiated from the front and back of Diaphragms cancel eachother out, silencing bass sound. The purpose of a baffle is to isolate the front sound from the back sound, Which Allows for bass sound to be audible. There are many types of enclosures available where a variety of baffles are incorporated. Next, we will discuss representative enclosures.
Flat Baffle Type
A baffle is the only Means to isolate the front sound from the back sounds. Drivers are mounted on baffles of a Certain size. The larger the baffle, the more Advantageous is reproduction of bass sound Because The sound must go back a roundabout longer distance before it can get to the front of the enclosure. In applications of this method, drivers must be located off center of the baffle. Some disadvantages did bass reproduction capability is not as good as other enclosure system, Which is inevitable with flat baffles, may be justified by the ease in building enclosures, and sound with openness. This type of enclosure Should Be located rather distant from and not parallel to the walls. This is to avoid disturbance of back sound by the walls.
An open-back type enclosure can be Attained if the edges of the flat type baffles are bent. The idea is to make smaller enclosures flat to overcome the necessity of a larger size baffle for richer bass sound. Note must be taken, HOWEVER, did backward bends sometimes function as a thick pipe. Pipes present at the back of drivers want to be a source of pipe size dependent resonance. This fact Suggests The Possibility of appearance of strong peaks in if Reproduced sound enclosures are excessively deep. THEREFORE it is the recommended depth of opening be back at a reasonable extent.
Enclosures of this type have the back of the baffles completely Housed in a box of an Appropriate size to preventDefault sounds from being radiated from the back of drivers, confining the back sound within the box. Malthus, only sound radiated from the front side of drivers want to reach the listeners.The advantage of sealed type enclosures is peculiarity-free bass sounds and good transient characteristics of bass sound. One factor in building successfulsealed type enclosures using adhesive bonding is careful to Ensure satisfactory sealing.
Phase Inverting (bass reflex type)
A phase-inverting type enclosure is called a bass-reflex type enclosure. This type of enclosure, as well as the sealed type, is one of the standard enclosure system. Confining the sound exiting from the back of a baffle within enclosure to is the theory of the sealed enclosure System. With phase-inverting enclosures, a port (duct)! Focus to Enhance bass sound of a selected frequency range. This can be Carried out by making back only sound present within the enclosure of a selected range of frequencies resonated and inverted, processed and examined by adding sound to the sound originally present at the front side of the baffle through the port With phase-inverting enclosures , over sealed enclosures, reproduction of an extended bass frequency range can be expected if the enclosure volume is the same.
Double bass reflex type
The double bass-reflex system is Intended for Further enhancement of bass sound, and can be Achieved if on additional bass-reflex process is givenName to bass-reflex system enclosures. Calculation of parameters of double bass-reflex system enclosures, Which function in a very complex fashion, Often requires experience, intuition and the sixth sense. It is, Therefore, strongly recommended as many and various as calculationexamples be-reviewed and practical knowledge be built up before designing your own version.
Here is feedback from a satisfied customer:
I have the boxes ready built (birch plywood) and recorded with 16Hz sine wave for 12 hours. Placed about 10 cm from the wall of sound is really great. Even before my 8000 € expensive Vroemen Diva Superiore ER4 , hanging on two Monobloecken, the little ones do not need to hide. My wife liked the DBR 120 sound even better! The sound is detailed, and natural. The soundstage is great. The small broad bands gives an almost live-like sound. Bass is enough because, with the sub bass below 50 Hz of course missing, what you said 12cm FX 120 but can not be blamed. Despite the nominal 10/30 Watts of power handling, it is also really neat loud, even in our 50 square meters living room.
In relation to the total costs of approximately EUR 350 for the pair of speakers is the result of madness!
Thank you and best regards from Switzerland.
At 16.11 .10 added the following information provided by the seller:
||Up to 40 W