How to design a crossover part 1 import zma and frd. If a member has already built a known diy design, we would accept it for testing if you can supply proof that is was built to the design spec and is operating properly. Feel free to visit jeffs site to download the program. Winisd is a great speaker design software that is designed for the windows platform. The software is 100% free and offers quite a wide range of features. Information on speaker design for diy speaker builders, and diy and custom built speaker products. The solstice kit is a no compromise speaker using all morel drivers in a mmt tower configuration. How to use passive crossover designer by jeff bagby avs forum. Join facebook to connect with jeff bagby and others you may know.
Lots of other interesting meniscus kits out there too. See the writeup in the pdf below for design details. Madisound begins by taking anechoic driver response and impedance measurements and loading this data into the leap filter analysis program by linearx. Jeff bagby and charlie out great things with excel, very detailed, active, passive crossover and woofer had prepared programs passive crossover designer. Acd a set of tools for designing active loudspeaker crossovers using a series. The other problem occurred with jeffs and my exported files due to the interpolation routine. Jeff bagby designs audioholics home theater forums. Jul 28, 2019 jeff bagby file design, structure, mathematics, and selected vba routines paul verdone selected vba routines file is free for personal diy speaker design use. For those who dont know the name, jeff bagby was a prolific proam speaker designer who developed a number of software tools and measurement techniques to help people interested.
You can experiment with designing your own speakers using some of the excellent freeware available such as jeff bagbys passive crossover designer and speaker workshop. Jeff bagbys loudspeaker design software click on a progam name to view the full description and download the application woofer box and circuit designer the most accurate sealed, vented, and passive radiator modeling tool available complete with amplifier modeling and the ability to include room and baffle effects in the response. Design passive crossovers and equalization networks. Their basic design consists of a suspended lightweight cone attached to an electromagnet usually a coil of copper wire, which itself is placed permanently in front of another magnet. Jeff was a great guy who loved to help others and share his knowledge. Jeff bagbys passive crossover designer toids diy audio. Jeff participated in a diy speaker event i hosted in 2000 and we later met a few times in person to discuss audio and speaker design. These loudspeaker design tools are microsoft excel based programs. Jeff really was an amazingly humble, and giving guy. Apr 07, 2020 though i didnt know jeff bagby that well he and i go way back to the madisound bbs of the 90s. How to use passive crossover designer by jeff bagby for years, i wanted to design my own speakers, but didnt understand the intricacies that went into it. I was placing a lot of faith in phil bambergs measurements and in the calsod software package used. Though i didnt know jeff bagby that well he and i go way back to the madisound bbs of the 90s. With the leap program we can plot what would be an ideal curve for each driver, then use leap to try different filter values against the actual driver.
Larger dome tweeter will produce more sound pressure level at midfrequencies. In this video, i will show you how to get the needed frd and zma files. Continuum full kit pair no tweeters sb acoustics audax. It is not back for sale on the web page yet 7 mids and a fountek ribbon tweeter. I am posting this on behalf of jeff bagby, the programmer and guru behind this excellent. Speakersjeff bagbys kairos 3 way towers, monitors with.
I went to diy indiana a several years back and jeff was there. Lots of labor and love in the construction see pics, of these great sounding speakers. As some of you know reading this jeff was a wellrespected engineer in both the automotive and audio fields. It also includes enclosure low frequency response, and the ability to convert and output minimum phase files. So i have helped out by designing some free tutorials to help you learn the program. He has also been a speaker builder for 25 years and has built and sold almost 100 hundred sets of. I have yet to try any paid software for speaker design, so all my recommendations will be for free software, which may be good for someone just starting in diy speakers. The dynamic driver is by far the most popular design found in the world of audio today.
Woofer crossover box design programs excel jeff bagby and charlie out great things with excel, very detailed, active, passive crossover and woofer had prepared programs passive crossover designer excel application for designing passive crossovers and equalization the purpose of. One of the more sought after kits from jeff bagby which models the ls35a system originally designed for the bbc in england. For those who dont know the name, jeff bagby was a prolific proam speaker designer who developed a number of software tools and measurement techniques to help people interested in building speakers model and measure their creations. Jeff bagby file design, structure, mathematics, and selected vba routines. Thankfully, jeff bagby came up with a great free to use program that can help us all. Undefinition on some web forums, has contributed several popular diy speaker designs that are also offered as kits from the likes of parts express, meniscus audio and diy sound group. Soundeasy and boxcad is a comprehensive loudspeaker design package that will help you develop all aspects of your loudspeaker system, from enclosure alignment to crossover modeling. Commercial use is prohibited without prior authorization of the author info. Aug 17, 2016 it also includes enclosure low frequency response, and the ability to convert and output minimum phase files. Then this processed driver information can be used in speaker workshop or something like jeff bs pcd passive crossover designer jeff bagby s loudspeaker design software in order to design the crossover. Created archived copy of music and design web site by john kreskovsky winpcd forum at meniscus audio mensicus audio has provided a dedicated subforum at their site for winpcd, a windows application program patterned after jeff bagbys very successful excel spreadsheet, the passive crossover designer pcd. There are several things that must be corrected for in a standard small speaker design in order to arrive at decent results. For years, i wanted to design my own speakers, but didnt understand the. I opted to design a crossover without purchasing the drivers and building it first or being able to listen to it and tweak the design.
Jeff bagbys software page charlies audio home page. Even though i have full measurement capabilities i still use this method to pick out drivers and determine which ones will work well. I learned today that jeff bagby has passed away, a victim of covid19. Frd and zma files were available for these drivers. Jul 28, 2015 in the last year or so jeff bagby developed two mmt designs, the testarossa and soltice.
The full kit consists of everything youll need except the cabinet. I recently finished building the solstice kit from parts express that is designed by jeff bagby, using state of the art morel drivers. Download loudspeaker design calculations toolkit for free. Solstice speakers, morel drivers, by jeff bagby for sale.
Ldct is an open source, crossplatform application containing many calculations commonly used in loudspeaker design. Free passive crossover design 7 software released diyaudio. Ive always been a bit concerned about driver integration in a 2way mmt due to the different ctc distances from the two midwoofers to the tweeter, but my concerns were dispelled after i heard the tesstrossas at indiyana 2014. Then this processed driver information can be used in speaker workshop or something like jeff bs pcd passive crossover designer jeff bagbys loudspeaker design software in order to design the crossover. Kairos then became the perfect name for the direction this speaker project took. There were door prizes that were being given away and i happened to get a tub of durtex. Jeff later asked me if i wanted to sell or trade for it. I am posting this on behalf of jeff bagby, the programmer and guru behind this excellent free tool for crossover design it also does active crossovers. May 28, 2017 in this first video i will be showing you how to use jeff bagby s free crossover designer software for diy use. Advanced speaker design simulation the world of wogg. Mar 25, 2020 i learned today that jeff bagby has passed away, a victim of covid19.
This is a windows application version of jeff bagbys excel based passive crossover designer. Ive never listened to the kairos alone as the crossover rolls off the lows at 200hz, but as a three way system, they sound great well balanced, lots of detail but not bright, plenty of tight clean bass to match the rest of the spectrum. Woofer crossover box design programs excel electronics. Undefinition on some web forums, has contributed several popular diy speaker designs that are also offered as kits from the likes of parts express, meniscus audio and diy sound group more to come. Jeff bagby file design, structure, mathematics, and selected vba routines paul verdone selected vba routines file is free for personal diy speaker design use. Facebook gives people the power to share and makes the world. Free passive crossover design 7 software released note. Jeff bagby has some excellent free software available, theyre all excel spreadsheets on steroids. Jeff was a pillar in the diy community and gave selflessly to us through software and a free gift of knowledge. Parts express stocks and ships free speaker crossover design software from the category of measurement design tools in the speaker. For all i knew, you bought a 2500 hz crossover from parts express, picked a woofer and tweeter that looked cool and went at it. It wasnt until i really got into diy speaker building that i.
Diy legend, jeff bagby has been very sick for a while now. The tributes by jeff bagby a two way system designed for and winner of the 2014, indian diy event ludicrosity. Highlights of this design bbctype monitor based on the original bbc ls35a specification, jeff bagbys goal was to take this specification to the next level by incorporating todays advanced loudspeaker technology and computer modeling techniques. Case in point would be the tools by jeff bagby and audmes. Created archived copy of music and design web site by john kreskovsky winpcd forum at meniscus audio mensicus audio has provided a dedicated subforum at their site for winpcd, a windows application program patterned after jeff bagby s very successful excel spreadsheet, the passive crossover designer pcd. Price is per pair 2 x 1, sb29rdnc, neo ring tweeter 2 x 5. Crossovershop by linearx systems is a complete crossover design software that can be integrated with any other part of linearx software products. He is a very humble god fearing man who loves his wife and loves diy speaker building. Jan 26, 2020 jeff bagby s kairos speaker, bagby s spirit winds, or any of rick craigs designs selah audio. A windows application for designing passive crossovers originally based on the ui format of the passive crossover designer spreadsheet by jeff bagby. Introduction in the ancient greek language there are two words for time, chronos and kairos.
He is senior product quality engineer involved in the design, testing, and assembly of automatic transmissions. The most common type of speaker design these days is a twoway loudspeaker incorporating an lr4 4th order. We can work on generating our own files as time permits. Jeff bagby is a twentyyear engineer in the automotive industry. Box notes is an excellent speaker design software both for. Madisound crossover design leap crossover designs by madisound. Unibox and winisd pro alpha are both fantastic and free.
Solstice mltl reference tower speaker kit parts express is proud to introduce the solstice, a reference quality 2way speaker kit designed exclusively for us by jeff bagby. In trying to make the import more flexible and allow for various comment line styles, it didnt handle jeffs pcd export. Soundeasy v24 loudspeaker design software with usb key. The design tool has now been expanded to include a box model.
I had already found a unique problem related to my saved files. Woofer crossover box design programs excel jeff bagby and charlie out great things with excel, very detailed, active, passive crossover and woofer had prepared programs passive crossover designer excel application for designing passive crossovers and equalization the purpose of the this spreadsheet is to allow. This allows more flexibility in the crossover design. So when jeff published the woofer design, i got serious. Hi there, i have one question about mandolin speaker project. Frequency response data consortium, all content john kreskovsky for further information contact music and design. Jeff bagby s software page charlie s audio home page passive crossover designer design passive crossovers and equalization networks. In the last year or so jeff bagby developed two mmt designs, the testarossa and soltice. Bodzio software soundeasy jeff bagbys loudspeaker design software. This popular speaker simulator lets you propose various speaker systems and then evaluate them in software before you cut wood or order expensive transducer components. Jeff will be remembered every time i measure or build a speaker, as i still predominantly use his tools and draw inspiration from his builds and designs.
Solstice mltl reference tower speaker kit parts express. Paul carmody from the northwest suburbs of chicago, paul, a. Jeff bagby mandolin phase response meniscus audio forum. The standout piece here is passive crossover designer, a really good. Youll also need some sort of boxresponse modeling program. The helix ribbon mtm kit from diy sound group jeff bagby is reworking the cross over design and i can wait until he is done and happy with it. This one is built by jeff bagby, who has a collection of other handy excel based tools available here. His speaker design software is used my many people today and will continue to be a part of his legacy. With this, it is easy and possible for the users to create vented, bandpass as well as closed boxes that will deliver quality sounds. Highlights of this design bbctype monitor based on the original bbc ls35a specification, jeff bagby s goal was to take this specification to the next level by incorporating todays advanced loudspeaker technology and computer modeling techniques. Proper operation details are tbd but would likely be the same as the rew verification test i would perform on a brand new build.
Ask questions discuss speaker building, testing, and related topics. In fact, its what most of us imagine when we think of a speaker. Computer aided loudspeaker optimization and design software, by audiosoft, melbourne, australia having used for several years. There are commercial software packages for speaker design. I upgraded some crossover components, resistors, a coil and the tweeter capacitor, stuffing is in the top half as jeff requires, and the speakers are professionally finished in. Generally speaking crossover design software combines loudspeaker spl responses. Soundeasy v24 loudspeaker design software with usb key now shipping version 24. Ldct is a crossplatform tool for common speaker design calculations. The theme for the diy event centered around series crossover design and jeff entered his design as a tribute to irving bud fried, a proponent of series network design. Software and hardware for design and result as well. Jeff bagby techtalk speaker building, audio, video. Having recently started digging into speaker design and of the many questions i have come across, i havent found specific conversations on the topic of value in software andor with hardware in combination.
116 1087 1479 284 875 1092 1218 1006 1316 1277 396 199 921 1381 39 1205 931 815 1088 567 863 1283 649 605 306 863 1207 1432 1321 440 1257 907 512 931