What is a Lowther anyway?

Lowther is the brand name for the finest loudspeaker drive units that are manufactured today.

They are all full-range drivers with extremely powerful magnets and ultra-light paper cones, leading to extraordinary sensitivity, transient response and low distortion.

They are made by Lowther-Voigt Ltd in England, and undergo a unique production process where everything is done by hand.

The Lowther-Voigt factory has been in the business of manufacturing loudspeaker drive units for over 60 years, and is one of the true pioneers in audio technology. Twin cone drivers, folded horns, tractrix horn contour were all invented by Lowther-Voigt.

The new drivers from Lowther-Voigt incorporate "Hi-Ferric coil control", a new landmark in voice coil technology (pat. pending). This is a brand new way of controlling coil travel, that works over the entire frequence range (as opposed to magnetic oils, which will only work for high frequencies). It allows the speaker cone to accelerate and decelerate faster (better damping). The result is even better inter-transient damping and 'air' around each and every instrument and voice. Hi-Ferric coil control also effectively prevents overshoot ofthe coil/cone from occuring.

Another astonishing property of the new drivers is that they are actually capable of handling 100 watts of input power (yes, it is true). and that is a lot, considering that you only need 4-5 watts of amp power to play them ear-deafening loud.

If you want to know more about the company and their products; check out Some history on Lowther-Voigt

The Lowhers can not be used for bass reproduction in vented/sealed cabinets. You will have to house the driver in a horn enclosure, which is the best way to build a loudspeaker anyway. If you do not know what a horn enclosure is, read the rest of this document.

It is of course also possible to employ a Lowther driver as a midrange/treble drive unit in larger systems.

Find out more about why horns are the best way to go if you want no-compromise stereo on Thomas Dunker's 'horn page' (via the links page)

For those of you who really want to dig into horn theory, visit the references page. Very extensive list of litterature and links

And what is a Lowther Club?

Lowther Clubs are Lowther-Voigt's way of spreading throughout the world. The 'HiFi Establishment' hasn't been particularly keen on handling Lowthers in their portfolio, and there's a number of reasons why the Lowthers have become an 'out-of-the-mainstream' product for audio enthusiasts. So, as a result of all these things, Lowthers are today spreading through networks of enthusiasts around the world. These enthusiasts form 'Lowther Clubs' that act as distributors/importers in their segments of themarket. They are initially financed from their founder's wallets, membership charges and (hopefully) sales of drivers/cabinets.

Building your own horn

Building your own Lowther horns is a fun venture, and a lot easier than it sounds. There are some complex designs that are definitely out of the hobbyist's reach, but most Lowther horns are pretty easy to build and do not require the tools of a professional woodworking shop. Building with Lowther drivers also means building without a crossover, and in most cases with only one drive unit per loudspeaker, all of which simplifies building even more.

As an example, take a look at the "Voigt pipe". Hardly a project to scare anyone off. The construct is unique in it's simplicity, and has surprisingly good bass response.

If you feel like spending some more time with your table saw, take look at the plans for the highly acclaimed Acousta 115 (51K). An original Lowther-Voigt design of 1964. This horn is representative of a lot of Lowther constructs. The constant-width folding of the horn greatly simplifies construction and building. If you want to learn more about this particular speaker, read the towards perfection article.

New designs from Lowther Voigt

New designs from Lowther Voigt inc. all incorporate the groundbreaking BICOR principle (patented by Lowther-Voigt in the 1980's. This is an igenious construction technique that effectively eliminates standing wave patterns in folded horns, making it possible to build relatively small horn loaded cabinets without sacrificing overall performance. Take a 'cross-sectional look' at some of their current designs; The Fidelio, the Academy, the Bel Canto, the BICOR 2000 (11K) and the Delphic. More information on these loudspeakers (and better resolution graphics) will be made available on these pages soon.

All the work...

For a complete description of the steps necessary to construct/build your own horn, read the article BIG FUN. Plans for this horn are available here (22K). Now there is also a somewhat scaled-down version of the BigFun available, it's new and it's called The "All Fun" horn, read this extensive article.

Go back to / visit the Lowther Club home page