Lenco is a venerated name amongst turntable enthusiasts. The company was founded in Switzerland in 1946 and is still producing turntables today (the company is now Dutch-owned). UK audiophiles may know the Goldring Lenco GL series of idler-driven turntables from the late 1960s and 70s. Today the brand has a … Read more
The Jordan Eikona full-range drive unit is capable of being used in many ways as well as providing the basis for a range of excellent loudspeakers. Some of these were covered last year in our series, Audio Building Blocks. The culmination of the series was a project for a 4-Eikona Linear … Read more
Ted Jordan’s VTL design continues to be immensely popular and with the Eikona 2 it has reached a new level of performance. You can find details of the design on our loudspeaker plans page. The following is a review we have just received from a customer who built a pair … Read more
The Bigger Is Better loudspeaker project began on DIYaudio.com some years ago. The design is based on the quarter-wave tuned pipe, developed in 1934 by loudspeaker pioneer Paul Voigt. Voigt’s design is a tapered tube, tuned to a quarter-wavelength of the lowest frequency to be reproduced. It is a simple, straight … Read more
Ted Jordan’s VTL transmission line remains our most popular enclosure for the Eikona 2 full-range loudspeaker. It is a compact,floor-standing design which is 30 cm wide but only 10 cm deep and very room-friendly. It is perfectly happy working near walls and room boundaries and is a neat solution to … Read more
The MLTL38 transmission line loudspeaker is very popular with users of the Jordan Eikona 2 fullrange driver. The name MLTL (mass-loaded transmission line) arises from work by Martin J King, comparing computer-generated loudspeaker models against built and tested transmission line speakers. Martin produced a set of MathCad spreadsheets which enabled users … Read more
The Open Baffle (or dipole) loudspeaker has a long history, with famous UK examples from Wharfedale and QUAD. At its most basic, an OB speaker consists of a drive unit on a flat board, the rear of the driver being open to the air. Whilst this may eliminate the colouration … Read more
This is a contributed blog from Jonathan Espley of Matteis Loudspeakers. He has been a long-term user of Ted Jordan’s full-range drive units and is a passionate advocate of ultra-rigid, concrete baffles. These concrete baffles appear in his own range of loudspeakers but are also available to home constructors. Jonathan describes the background … Read more
One of the more unusual projects we’ve been involved with this year has been an two-way Aurora 400 system. The initial enquiry came from a long-standing Jordan customer who was using one of Ted’s Linear Array designs. Each array consisted of four JXR6HD units crossed over to a JX150 Jordan bass system. … Read more
A very nice email arrived this week from one of our customers. He has just completed building the Jordan Eikona DCR loudspeaker design and is thrilled with the results: “They sound fantastic. Very natural on the human voice (my wife is a classical singer, so listens to lots of song, … Read more
