  |
 |
12th September, 2011
HIFICRITIC: The Rhythm King DIY Loudspeaker
Designed in the first half of 2011 by Martin Colloms,
Christien Ellis (CE Electro-Acoustics, www.christienellis.co.uk) and Miles
O’Carroll (milesocarroll@hotmail.com) The Rhythm King has passed its
proving trials and is ready for demonstration at the National Audio Show
September 24/25. Room S15 with ticketed presentations on the design principles
involved.
This speaker is designed for wall boundary matching and a
neutral timbre.
Wilmslow Audio built the enclosure to drawings
created by Miles O’Carroll from design sketches by Martin Colloms and Christien
Ellis. Wilmslow Audio have agreed to
supply all the parts required including the exclusive supply of the Cotswold
Acoustics manufactured, BMR full range planar driver. The custom made
Multi-Contact terminated solid core internal and external wiring harnesses are
built by DNM Design and work with external,
easily updated crossover networks.
The
first working prototype crossover
This site has the first article describing the approach to
design form Vol. 5 No 1; the second concluding part will be published in September
2011, HIFICRITIC Vol. 5 No 3 and will
be copied to this site soon after.
Also see the comprehensive measurements, the crossover
circuit with preferred wiring topology and related illustrations, the full
enclosure drawings file and related material.
Please send questions and comments to the DIY speaker
section of the HIFICRITIC Forum which also has some early description.
20.08.2011MC
26th August, 2011
National Audio Show
HIFICRITIC Exhibits the DIY TRK Loudspeaker at the
National Audio Show 2011, Whittlebury Hall, Sept 24/25
TRK, The Rhythm King will be demonstrated at NAS, with ticketed presentations on the design process by Martin Colloms. The design team will be on hand to take questions. Co-exhibitors are Wilmslow Audio who supply the parts and DNM Design who supply the special cables, inside and out. HIFCRITIC will also have their usual stand in Brooklands with show discounts on subscriptions and back numbers and where tickets may be obtained for the design presentations. The concluding issue for the unique HIFICRITIC loudspeaker project will be on sale, hot off the press.
HIFICRITIC-Wilmslow-DNM ROOM: S15, 1st Floor
National Audio Show
HIFICRITIC Exhibits the DIY TRK Loudspeaker at the
National Audio Show 2011, Whittlebury Hall, Sept 24/25
9th April, 2011
The Spring Audio Show at the Heathrow Park Inn
27th/27th March 2011
