Audio List - P.A. Enclosures
Drawings for horn, bass-reflex and transmission line P.A. speakers, old and new ones. Page in portuguese (Brazil), but there's a button for a Google translation.
Nagaoka Horns
Well-sounding and easy to build. Based on FOSTEX drive units. Recommendation: Look for D10 and D118.
How to assemble a horn speaker from a harddisk
If you have an old hard drive you can remove the voice coil assembly and use it to construct a pretty good working Horn Speaker. Step by step instructions, photos.
Jensen Imperial horn page
Current URL for John Inlow's website with Jensen Imperial construction plans and also heatsink tutorial and his DIY bass and midrange horns.
About building a Hornspeaker
My site is about me building a hornspeaker, a hyperbolic backloaded horn called the CT 164
Rob van Ede's
A great love nest! Rob van Ede uses his bass horn as a bed.
Cornucopia
The name sounds a bit like "cornu copy". It is in fact
a Lowther EX4 based horn of yet unpublished geometry. The price
is almost identical to the Cornu spirals.
AcousticHobby - another spiral horn
That guy has designed his spiral horn in a quite surprising way. A frequency response diagram and some plans are available.
audio nova diy hifi magazine - hornhögtalare
Understand this? Then go there! Vid för lågt fs (under hornets gränsfrekvens) finns det risk att motorbuller och andra mycket lågfrekventa ljud ger för stora och okontrollerade membranrörelser.
Michael Christ
That guy builds laaarge horns and calls them "multimedia furniture". Very good site! His custom veneer Edgar horns are real beauties...
Jensen Imperial Horn Page
Excellent DIY construction plan for the Jensen imperial horn, a large rear-loaded corner horn.
Royal Device
Large bass horns built beneath the listening room floor.
The Victor Victrola Page
Horns for grammophones (phonographs). Includes frequency response plots and lots of historical info.
Bahnsen Engineering
Horns looking like UFOs, every part of them handcrafted. Drivers aligned for pulse coherence.
Unity Horn by Lambdacoustics
A mid-treble horn (300Hz-20kHz) featuring a "unity summation aperture" and several drive units, one for treble. Phase-coherent.
Pi Speakers
simple and well laid out. Links to useful software and horn stuff.
Kugelwellenhorn aus dem Vollen gefräst
(german site) Angeboten wird die Fertigung von Kugelwellenhörnern nach Bedarf. Fest im Programm ist ein 30cm-Kugelwellenhorn.
The Muyiovatki Site
This is where you can find the plans for the Duelund horn!
Wall horn by Herbert Fu
A flat, wall mounted horn joyfully inspired by the Cornu Spiral Horn. Not curled, but straight.
The Hedlund Horn
The original page by Jan Hedlund. Includes a detailed explanation of his design and a DIY plan.
Loth-X Audio Pte Ltd
Manufacturer of high efficient speakers,turntables, tube amplifiers
Jericho-Horn
Plans and frequency response of the Jericho Horn. Text in Danish.
Duelund horn plans for DIY
The small version is for a single 8" unit, the large version is for a single 10".
Horn Loudspeaker Response Analysis Program
This Windows based program calculates the theoretical impedance vs frequency and sound pressure level vs frequency response characteristics of finite and infinite horn loaded loudspeakers.
References to horn literature
An article by W.H.Geiger containing information on horn design and an overview of recommended literature.
Opera Audio
German distributor for Lowther drivers. Has taken over part of the Audio Technik Kirchhoff program.
Servodrive BassTech 7 PA Horn
This PA subwoofer uses drivers with a servo motor instead of a voice coil. It is extremely sensitive, linear and LOUD.
Lowther Club Holland/Bert Doppenberg
Homepage of Bert Doppenberg, featuring the Oris 150 front loaded horn AND homepage of the Lowther Club Holland providing horn formulas and lots of info.
Hornlautsprecher.de
Comprehensive horn site (bi-lingual german and english)
with lots of plans for Lowther and Fostex. Includes plans
for the Buschorn and some others as well...
Avantgarde-Acoustic
Avantgarde makes tractrix horns that are very beautiful and very expensive.
AJ-Systems
Armin Jost offers a program that allows to predict quite exactly
the frequency response of horn speakers.
Horn Page of James Melhuish
Horn site of high quality and completeness. Includes horn contour applet! On the same site you will find a negative opinion regarding Lowther speakers.
Carlson Coupler page of Ernst Beck, AES member
Very detailed german page on carlson couplers. Includes DIY plans and articles on acoustics. Mr. Beck is member of the AES and owns patents on loudspeaker designs (e.g. band pass subwoofer)
Il TQWT (italian)
TQWT theory including formulas. Written in Italian.
TNT-Limes, Milan Show
@ 2/3 way down http://tnt-audio.com/jpg/limes.jpg
uses 3" driver FE 83
TQWT-Bona's
various examples of TQWT, 170 mm driver, 130mm driver like the Fostex FE127 but could use also smaller 100mm drivers like the Fostex FE103 (RS 40-1197) or FE103 Sigma.
My 3-way Speaker Project
detailed plan for a PA speaker,
based on EV SP15B and one EV 15TRXB,
Eminence Alpha 6A Midrange and the Selenium ST324 Super Tweeter.
Bassreflex.de (german/deutsch)
Quite obviously a bass reflex page, but includes TML, horn,
closed and others, too. Good material on bass reflex design.
Omega Loudspeakers
I suggest you include this wonderful and inexpensive $699 & $579 single fullrange speakers in your list. You can contact Lou via his site, in URL. "
Recital Audio
Cement, Sand, and Concrete composites (CFC) African Drum (AD) shaped loudspeaker enclosures brings musical enjoyment to a higher level.
Jensen Bass Ultraflex
Radiation from the back of the speaker is coupled by a large air chamber through ducts or channels to the outside. Mr Koizumi (Onken) used the Jensen Bass Ultraflex for the development of their systems.
Classic Audio - Lowther speakers for sale
A bass reflex enclosure around Lowther drive units. Their claims w.r.t. sound quality and technical data are discussed in the Audio Asylum.
Siemens stereophonic pictures
We offer the installation of a complete sound system based on SieSonic. In addition we provide all electrical and electronical components.
Furuyama Audio Labs
Flat rectangular drive unit with unusual voice coil assembly.
Loudspeaker Driver Selection Guide (the LDSG)
Comprehensive list of drivers recommended for DIY projects, including high-efficiency, full/wide range, and exotic drivers. Additional information and links for the speaker DIY hobbyist.
BMS - PA drivers
includes a coaxial compression driver for front loaded mid horns (300Hz-22kHz).
Accuton - diamond and ceramic drivers
Thiel and partner manufactures a tweeter featuring an inverse dome of pure diamond - currently among the most expensive drivers...
drivers.txt
List of driver specs taken from some database. Comprehensive, but US centered.
SpeakerSpecs.com
Specification database for drivers. Covers most US models and some international brands.
Hypersonic Sound
This driver uses ultrasound (some 200kHz) to simulate a point source for audio.
AER Lautsprecherproduktion GmbH
Lowther-based design. Cone material has varying thickness. A special repair service is available for Lowther drive units...
Loudspeaker components in Taiwan
Kmaxima Group is a professional manufacturer and exportor with over 23 years experience in metal parts and related loudspeaker components. We also get several patents in electronic products.
Tannoy dual concentric drive units
From the late 1940's onwards, Tannoy dual concentric loudspeakers earned a reputation for accuracy, clarity, and
prodigious output.
Supravox
audiophile full range drivers, including a 20cm alnico unit with 100dB at 1W, 1m.
AEL
Drivers with Permendur/Alnico magnets, aimed at TAD/JBL/ALTEC. One of their tweeters weighs around 22kg.
AER Lautsprecherproduktion GmbH
Lowther-based design. Cone material has varying thickness. A special repair service is available for Lowther drive units...
E.J. Jordan Designs
E.J.Jordan is manufacterer of well reputed metal cone full-range drivers.
lowther-america
Official Lowther importer for the US. Manufacturers of Medallion II rear loaded horn cabinets for Lowther units.
Other plans available.
Lowther page of Marc Wauters
Tips&tricks for Lowther enthusiasts. Comparison of sound quality of Lowther drive units and horn cabinets. Home of the $0.89 tweak.
Lowther
Homepage of Lowther. Full range drivers and schematics for horn loudspeakers.
NaTCH Engineering
NaTCH Engineering manufactures the NaTKiT1 loudspeaker production test system. It is in use by, amongst others, B&W, Goodmans, Harman Pro, Martin Audio, Mission, Tannoy and Turbosound.
ALTEC Lansing repair by Great Plains Audio
Repair for many ALTEC and University speakers plus link to microphone repairs. Including 288, 299, 416, 515, 800 and 900 series plus home and car audio prior to 1985.
Celestion and FANE recone kits
This re-cone kit is used for all G12 speakers. Complete kits with exact specs to re-cone Vox, Marshall, Selmer etc.
Zobel Loudspeaker Impedance Correction Circuit
Diagrams, explanations, an online calculator - everything you need to know about Zobel filters. ResEqual.htm in the same directory will help getting rid of the impedance peak at fs.
GMI Sci/Math dept.: Acoustic Filters
Shows how acoustical filters work - theory and experiment. How to conduct acoustical experiments. By Daniel A. Russel.
Acoustics and Hearing
Go to section H (Acoustics and Hearing) of this page to find a collection of fundamental articles on acoustics, including pipe, string and membrane theory
Math from the creators of Mathematica
Everything you ever wanted to know about maths, including plane curves. Excellent presentation, animated curve traces etc...
Physics of Sound
Very detailed physical view (including many important formulas) of what sound is.
S. Ekblads audio applets
calculate the size of your speaker enclosures online. Java applets for closed and ported boxes.
Of Mass And Resistance
Adapted from the article, "Of Mass And Resistance," by Ahmet Deniz, Speaker Builder: The Loudspeaker Journal, 4/1997, with permission from the publisher.
Physical Modeling of Brass Instruments
Acoustics and Signal Processing Techniques for Physical Modeling of Brass Instruments (Thesis,1999)
David P. Berners
True Audio
Homepage of WinSpeakers and MacSpeakers design software. Demos also available.
There is also an Audio Engineer's Book List there.
AES (Audio Engineering Society)
Homepage of the Audio Engineering Society. Lists web ressources and JAES (the journal of AES) tables of contents with abstracts. Lots of information.
AV REALITY Loudspeaker Factory
High-End Loudspeaker in stylish timeless design, design patented cabinet, Scan-Speak REALITY units, several acoustical advantages, best value for money, buy direct from factory.
Rogers
Traditional british manufacturer. They made the LS3/5A (a BBC monitoring speaker) and other great speakers.
Stage Accompany professional sound systems
SA is leader in high output pro-ribbon loudspeaker technology for fifteen years running. Check out the website to find more on the Ribbon Compact Driver and other advanced audio technologies.
Ultrasound
crossoverless/high-sensitivity loudspeakers from Italy.
PureBits Homepage
Manufacturer of software for loudspeaker and acoustic measurements
Auxetophon
Short Story of Compressed-Air Amplification. The page is not
very enthusiastic about this method - lots of noise, low
sound quality. Fun to read :-)
Lansing Heritage
Many plans for old JBL speakers, including the Hartsfield, TS parameters for many old JBL and ALTEC drivers.
Audio-Seite von mm^2 (german)
Eine sehr ausführliche und gut gemachte Seite zu Raumakustik, Fullrange, Zubehör, FAST-Systemen etc.
Den Punkt vor dem "s" in der URL entfernen (Wortsperre!)
Joelist
The Joelist is one of the best kept secrets in the audiophile world. Comprehensive ressource of audio information.
Audiodiskussion (german)
The german counterpart to the Audio Asylum - focus on horn and full range. Provided by Audiotreff and ExDreamAudio. Excellent!
Speaker DIY World
Link list related to everything loudspeaker, very good!
Art History and Audio Components
Loudspeakers (include mid horns), C37, classical paintings (Rubens and the like...). Well worth having a look!
Black Dahlia Music
Very audiophile site, offering vinyl, speakers (and speaker kits) by Samadhi Acoustics (Engineering by Dick Olsher) and tube amps.
AudioFanatic.it
Exclusive ampli and speakers projects, including Supravox and Mauhorn. Italian language.
Wayne's Speaker Building Page
DIY speaker building hints, links, and several modest proposals on how speakers REALLY should be built. Modest means 20.000 W room filling horns...
Hifi, High End und Selbstbau
Deutschsprachig: Diskussionsforum. Einige sehr interessante Beiträge zum Thema "Horn" von Peter Pan.
