LDSG What's New

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Loudspeaker Designer's Selection Guide - What's New
Thursday, 11-Mar-2010, 14:33:28 GMT
Last modified: 25-Mar-2007, 19:49:50 GMT

Date		Description
	April, 2003 (Major update)	Changed name to "Loudspeaker Designer's Selection Guide" Changed URL to http://ldsg.snippets.org/ Added "Support" buttons Added "What's New?" button Reorganized layout and improved cosmetics for easier browsing Moved design considerations and gallery from Introduction to Appendix A Moved old Section 1 to Appendix B Moved old Section 2 to Section 1 Moved old Section 3 to Section 2 Removed old Section 4 - now part of Section 2 Moved old Section 5 to Section 3 Moved old Section 6 to Section 4 Moved old Section 7 to Section 5 Added new Section 6 discussing compression drivers, horn/lens assemblies, and coax woofers Moved old Section 8 to Section 7 Moved old Section 9 to Section 8 Moved old Section 10 to Section 9 Moved old Section 11 to Section 10 Added new Section 11 comparing compression drivers, horn/lens assemblies, and coax woofers Moved high efficiency non-horn drivers out of Sections 5 & 10 (old Sections 7 & 11) to Sections 2 & 7 Moved old Section 18 to Appendix C Moved old Section 19 to Appendix D Added new Appendix E discussing crossover and other passive components Moved old Section 20 to Appendix F Moved old Section 21 to Appendix G Moved old Section 22 to Appendix H Fixed dead links Add new vendors and remove unavailable vendors Added unavailable vendors (e.g. Dynaudio, Blueprint) section Reviewed and updated all recommendations Removed all Javascript Added sensitivity color coding to comparison tables

Date Description

24-May-2003

Reorganized Appendix D - added technology and aplifier class discussions

Added Xicon Mylar caps to Appendix E

Fixed links and typos.
Reformatted design examples and gallery in Appendix A

Added Acapella ion tweeter

Added TangBand section with W4-616S

Added Musical Transparency (Norway) as vendor

Updated Appendix H

Updated Appendix F

Added Intertechnik caps and inductors to Appendix E

Added Eminence technical references to Section 1

Date	Description
	24-May-2003	Reorganized Appendix D - added technology and aplifier class discussions Added Xicon Mylar caps to Appendix E Fixed links and typos. Reformatted design examples and gallery in Appendix A Added Acapella ion tweeter Added TangBand section with W4-616S Added Musical Transparency (Norway) as vendor Updated Appendix H Updated Appendix F Added Intertechnik caps and inductors to Appendix E Added Eminence technical references to Section 1

Date Description

4-Jun-2003

Reorganized web site layout with ALSR & Filters under LDSG

Added page icons

Added "Hoffman's Iron Law" as an explicit topic in Appendix A

Updated Section 7 (mids), and vendor pages for Accuton, Hiquphon, Human, Morel, and Scan-Speak

Revised horn/lens materials characterizations in Appendix B and Section 6

Added Thel Audioworld to Appendix D and Appendix F
Split Appendix D and Appendix E for faster loading.

Added Behringer to Appendix D.
Added filter types discussion to Appendix D.
Fixed formatting to work with MSIE.

Added Fostex FE206E and B&C 8CX21 to Section 3 & Section 8

Date	Description
	4-Jun-2003	Reorganized web site layout with ALSR & Filters under LDSG Added page icons Added "Hoffman's Iron Law" as an explicit topic in Appendix A Updated Section 7 (mids), and vendor pages for Accuton, Hiquphon, Human, Morel, and Scan-Speak Revised horn/lens materials characterizations in Appendix B and Section 6 Added Thel Audioworld to Appendix D and Appendix F Split Appendix D and Appendix E for faster loading. Added Behringer to Appendix D. Added filter types discussion to Appendix D. Fixed formatting to work with MSIE. Added Fostex FE206E and B&C 8CX21 to Section 3 & Section 8

Date Description

20-Jun-2003

Added link to Jason Cuadra's Elliptic Filters to the LDSG Introduction

Fixed column alignment in "What's new"

Other cosmetic changes

Added John Sheerin's horn site

Date	Description
	20-Jun-2003	Added link to Jason Cuadra's Elliptic Filters to the LDSG Introduction Fixed column alignment in "What's new" Other cosmetic changes Added John Sheerin's horn site

Date Description

18-Jul-2003

Added/revised Eclispe/ACI/Meniscus information

Date	Description
	18-Jul-2003	Added/revised Eclispe/ACI/Meniscus information

Date Description

05-Aug-2003

Revised shielded tweeter information in Section 4 & Appendix F

Date	Description
	05-Aug-2003	Revised shielded tweeter information in Section 4 & Appendix F

Date Description

26-Oct-2003

Added Speaker Workshop to Appendix C

Date	Description
	26-Oct-2003	Added Speaker Workshop to Appendix C

Date Description

09-Dec-2003

Added ThieleSmall.com to Appendix G

Added Behringer, Outlaw Audio, McIntosh, and Audio Mirror to Appendix F

Corrected "Power, How Much Do I Really Need?" entry in Appendix F

Revised cone materials discussion in Appendix B

Added Ribbon Loudspeakers book to Appendix H

Date	Description
	09-Dec-2003	Added ThieleSmall.com to Appendix G Added Behringer, Outlaw Audio, McIntosh, and Audio Mirror to Appendix F Corrected "Power, How Much Do I Really Need?" entry in Appendix F Revised cone materials discussion in Appendix B Added Ribbon Loudspeakers book to Appendix H

Date Description

17-Jan-2004

Sadly, Sonic Craft is no longer the LDSG sponsor. We thank them for their years of support.

Work has begun for the next major overhaul of the site. Let me know what think of it.

Date	Description
	17-Jan-2004	Sadly, Sonic Craft is no longer the LDSG sponsor. We thank them for their years of support. Work has begun for the next major overhaul of the site. Let me know what think of it.

Date Description

29-Feb-2004

Revised Stryke and Lambda entries in Section 2.

Added new Gedlee book to Appendix H.

Removed Dayton driver no longer available from Section 3.

Added Jupiter Condenser Co. to Appendix E..

©1998-2007 by Bob Stout, all rights reserved

Date	Description
	29-Feb-2004	Revised Stryke and Lambda entries in Section 2. Added new Gedlee book to Appendix H. Removed Dayton driver no longer available from Section 3. Added Jupiter Condenser Co. to Appendix E..

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