Updates
| Date | Updates |
| 14th December 2019 | "High Quality Horn Loudspeaker Systems" book reference added to the home page. |
| 9th April 2016 | Roy Attwood's readers system page added. |
| 15th April 2012 | Stuart Shepherd's readers system page added. |
| 28th May 2010 | John Stevens' readers system page added. |
| 23rd March 2010 | Dave Williams' readers system page added. |
| 12th October 2009 | Nikos Kavalis' readers system page added. |
| 1st March 2009 | Photo of a pair of P.W.1's added to the Lowther P.W.1 page. |
| 27th January 2009 | Stefano Aria's readers system page added. |
| 31st December 2008 | Photos of Lowther TP1A and PM3A added to MasashiMatsushita's readers system page. |
| 10th August 2008 | Philip Turley's readers system page added. |
| 8th May 2008 | Mark Andrews' readers system page added and Oliver Dawson's readers system page updated. |
| 21st April 2008 | Oliver Dawson's readers system page added. |
| 20th April 2008 | Further updates to the Readers Systems page. |
| 6th April 2008 | Readers Systems page updated. |
| 15th February 2008 | Readers Systems page added. |
| 27th January 2008 | An appreciation of Paul Voigt added. |
| 26th January 2008 | Photo of Paul Voigt added to the History page. |
| 20th January 2008 | Initial version |