DIY novice speakers to save money AUDAX.

Friends to the brother saying a pair of full-range single, Audax HP080M0, younger brother was thinking what in the end be made better. .Internet looked at the statistics and found this little discussion of monomer in the whole range of sites related although there appeared, but not been discussed with the description, probably because he is only 120Hz Fs it, as dz now on the fostex FE103 out .known for many, a lot of playing, and now there are package management positions in sales. .But no way, a gift to a girlfriend decided to give it ┅ way as the first practice. .br> google hit single with the model, find the following information ┅ audax some packages, but also with reference to the size of some speakers, who all came to the monomer is also cheap, you can try to find speakers that Oh ┅ .However, to give as gifts, of course, wanted to get some special point of appearance, first want to make TQWT the speakers, long rather special, but then found it too troublesome to think of cylinder-shaped speakers, but also thought ., how has cylindrical wood? .Also a lot of money out of it confused ┅ last thought, the kind of graph paper usually installed tube, thick paper tube (that is, the kind of loaded posters), should be able to set it to the specifications I ┅ think it over and then immediately surf the Internet .associated companies (keyword to the word "paper tube" Oh), and look through phone book and asked the result of specification is very wide, can also be custom made, but no one was going to be divided, and had wanted to help me boss Jiaowu .with DZ Pacific Packaging Packaging Purchasing concave. .But a few days to find a place to work out their plans to buy paper tube machine size (diameter 10.6cm) just right! .Taking advantage of a dark and stormy night, give him back took two cotton ┅ speaker tube design and calculation of the articles in accordance with Parker greatly, and the parameters of the above monomers, the monomers should be suitable for reflection-hole of the (Ported / .Vented box), and because the fs is not low enough, there will be more with ported bass. .EBP (Effeciency Bandwidth Product) = Resonance frequency / Deriver Electrical Q = Fs / QesAudax HP080M0: 120/0.63 = 190EBPEBP> 100 vented boxEBP is only a reference value, the amount each person a sense of low-frequency requirements are different, you decide to be reflective, closed .type. volume size, as well as tuning frequency. left to the right to hold the paper roll and wanted to look into something in Figure 1, and later asked the views of Pike boss Qiu, because the problem of directional speakers to change plans .2 look like the (audition is the upward release, really feel like someone singing to you in heaven ┅ Oh). .Get the tubes are about 120cm, had wanted to get hold of a long speakers, just to listen to on the local level, but with some software on the network operator to find the time, found that as long as 2.1 to 2.5 liters of volume like a .(remember to find two formulas, but the site could not find ┅ Refer to the following two excel files attached ┅ sorry), holding a map tube looked a long time, as long as he cut 40cm, the volume of about 3 liters, to facilitate .After adjusting. .Volume calculation speaker design.xlsunibox402.xls friend to help me count the paper roll diameter: 9.8cm, area: 75.43cm2, Volume: 3017.20cm3 Unit conversion: 1 inch = 2.54 cm1 inch = 25.4 mm1 cubic foot = 28.3 litres  1 cm = .0.394 inches1 mm = 0.0394 inches1 litre = 0.0353 cubic feet ready tools for things like the little brother has a drill and wire saw, but because most of 10 "above the hole we go with the electric wire saw, then had to run half done .bought a free cone, spent 500 (bought in Ho Road, do not know if I have high property prices?) drill manual wire saw, shear, compasses, cutting knives, blades, old wood glue at the clamp (do not know if and when they buy ., in fact, almost like white glue, carpenter just write it) file, fill soil, guitar cable clip, free cone, 3M sandpaper blocks of sound-absorbing cotton, I graduated with my brother last the rest of the exhibition, dz are sold, .I want to make the sofa a few days ago, in the Chang'an Road, Taiyuan Street, near to find a few stores specializing in selling sponges, partakers are many kinds of high density is more expensive. wood I use plywood (lower) and MDF ( .on), the general went to the line can be purchased wood, MDF is often used as a speaker to use, but I only see 6 points thick, about 1.9cm, do not know where to buy thicker? the first count of paper processing .before the baffle tube to the extent of about 10cm was placed next to monomer, according to the design to baffle planted down the baffle is to make the room before the rest of the shelf bookcase, 6 pm thick. datasheet size according to .in the barrier board put single hole dug, then not buy freedom cone, would like to see another single put up to drill, "knocked" out of a hole. with the rest of the paper tube, .cutting a section from the back of the paper tube reinforcing monomer, just to baffle with cut down when the fixed things. That is the lyrics in the back, on the floor with thick cardboard and lyrics for several days. fixed Reinforcement .cardboard cylinder do not know how to clip a fixed baffle well, but did something to the folder to find a cotton cord tied him to the paper roll. baffle above the hole and two semi-circular, had wanted to use .wood saw, can be lazy, afraid to look good, and finally decided to use cardboard like, with a four-0.1cm while the cardboard, then painted with white plastic reinforcement (forgot to take pictures of this ┅ O) on the right a bit .After the paper tube thickness reinforcement, the thickness of two layers, about 0.6cm. get after baffle, the single place to go up, it is a neat ┅ when tired, and put the original plastic boxes .caps up, while sleep and cotton ┅ Lyrics to listen to the feeling of this time should be enough weight paper tube, and will air leakage, a kind of "Om ┅ ┅ Om Om" sound, but too tired or do not care about cotton .. in front of the pipes from the attic to find my girlfriend with a diameter of about 2.8cm, forget about re-use the software for about 9.5cm, just good, although dirty, or get back to use. again, to come .Open the back to plug the hole (sounds very low, and are led astray by Wu's), have been afraid that they get the ugly, and cumbersome, buy ready-made, but to find out about e-gold, size .are too large, should be ugly, but to buy a speaker terminals, bite the bullet and hand wire saw and blades, open a hole to install v-type. first load point of view looks like this time the board had wanted to use thin .seal the hole, but not afraid of plywood processing, also buy thin MDF (density Di board), turn West, turn east to go home to my brother's disk boxes to the dismemberment, with the blades and lighters, .After the rasp and then gradually cut down the repair, was found to have a good look at that. After the water found to the length calculated by the software cut down, because the paper roll is not enough fat, not as a general reflection Holes in the back (or front .), decided to install in the following the ┅ (see the article in the network, do not tell reflected hole next to the back of the box within a distance of one diameter, this should take note oh), then dug a free cone filled with water .tube hole, and then cut the following baffle, leaving three feet cone with the loading chug. had water hole with a lighter roast to heat, and then bend pliers to the hole, so feel better, but later abandoned .the. two maps is a masterpiece of white rot, because forget to install the foot to remain three outstanding place cone, but still not impress explain how to use free cone, first drill a hole with a 5mm drill bit, and then free cone .put dig, almost half of the depth and back to the other side of the dug down, and finally polished with sand paper look, very beautiful. to then be submitted to DC to see a sharp feet of copper to 70 per cone, the Friends said his car is not the key link .cost-effective, then think of the line and beautiful furniture hardware screws, and sure enough I found was a only 45, the bottom is round and not the floor or cabinets damaged, the focus has enough, you can also adjust the height, handy, .next time buy it for the chassis of the feet. This is also a continuation of the left front of the white rot, but also the middle of the hole dug put side pipes, even the white plastic is on, and later thought to forget that three foot cone. .After going into the water, and then rasp to bevel Collage Xiu, sandpaper and putty to get those nice holes. again have to cut off the top of the baffle, although round, but the middle because they can not .There is a hole, he had to slowly cut the wire saw (MDF board better than plywood processing more, was going to buy, but owners say it is too small, and no way to cut me, and went to see me next .Cotton does not take away their leftover material ┅ nice boss) substantially completed, to buy the root wood, and then click speakers reinforced, by the way so close to the result of the volume (we all draw the math cotton ┅) to be fixed .think of the cable when the guitar folder fetch it took, the good Oh ┅ to La socket plugged in, then weld up the line, the line to stay longer, pull out from the baffle holes and also to weld the monomer ( .Some people say that is not good with welding, it is best to use round up, and fixed on the can, but Poor little brother, his girlfriend heard a line out of fear, and more convenient to use the welding cotton) Finally, the last time my brother .Graduation Exhibition of sound-absorbing cotton stuffed with leftover to go after the upper and lower baffles are clinging, sticking with the previously, use sandpaper to grind Oh ┅ paper tube when such access will not have gaps, I used screws to sandpaper .on the board, and then grind the entire board, this will be flat. sharpened the baffle pressure up, the other end facing the desk lamp, light is shone through the level grind is not enough Oh ┅ found quite useful transformer .weight enough, just pressure baffle can be used with glue. Finally, the single lock to complete 啦 ┅ mess room, scolded by my mother for several days. Love in the side and put on a transformer, this box .body will not shake, the sound will be better Oh ┅ still want to use any way you can not press anything ┅ Oh! Lyrics experience thought that this little 3 "single, fs and only 120hz, but also reflective of the tube .to 85hz, Wu boss said he was a child playing bass very fierce, and I never believe that Internet search your price, it was 16 dollars and has been with the fostex ┅ make it worse by half after the fact, I still feel the bass is not .too enough, a little less heavy, but listening to pop music are still ok, with such a small single run, be good. .However, there are differences of small single treble feeling a bit stagnant, detail was lacking. .Then the next available frame in the above stars tweeter, should be able to add much color to it hands there ┅ two peerless 4.5 "in the mid-range may put forward a small sandwich sub-woofer is not bad. Think of it bought last .magnet, and quickly back out on the monomer, and put on, I've a little bit stronger voice, bass are less likely to feel ambiguous, but I want to change the strong box that it may be better. Postscript recently .A few days have been working overtime, it is now 3:00 am, and had wanted to compare type a1 relatively little brother, but no space on the first matter, anyway, happy to listen to like. these two days to study how the test speaker, and then with .Cotton write reports (if there is a chance 啦 ┅ ^ ^) Actually, this can only be regarded as semi-finished products, the appearance has not idea how to decorate, had wanted to use mosaic tiles, get some special designs, but also allowing the tiles to be more solid, but not .time to give my girlfriend cotton. Fengyun most important feature of speakers, is to spend less than 500 yuan, speakers, single, white glue, water pipes, MDF board (with the owner of the remaining material to be) no money, only .bought a 6 foot cone 270, and speaker terminals 120, although the busy two weeks (between work for several days did not touch), but it is a good deal, and his girlfriend happy death. This is the little brother for the first time .speakers, picking up with the East West Cou material, dead flowers to any money, find it very fun, although to get the mess room, but no way, for things like hand-ah ┅ base for the speaker is actually very simple, especially the whole .range of monomers, as long as the line Jieshang Qu, have voice!, of course, want or need to ring the nice research, much like Parker mentioned a few books, some of which are mentioned in design skills, and more .should not be too bad to see it, the important thing is the most important ┅ cool their next target is now going 3-4 with a paper roll loaded soon Road, single stars, for an array of speakers, should be also very interesting. or .is to help his girlfriend get another one 10 "subwoofer to handle it..