Jan. 13, ’02: www.volvotreter.de goes online
Oct. 08, ’03: What’s new section added
Oct. 08, ’03: Klipsch horn section added
Dec. 06, ’03: Guestbook added
Jan. 08, ’04: Fostex D582 PDF added
Feb. 22, ’04: Fostex FD200 / D800 PDF added
Apr. 09, ’04: Font sizes reduced
Apr. 09, ’04: The Edgar Interview, download section
Apr. 09, ’04: What is Q?, download section
Apr. 22, ’04: Some more comments added to the midbass section
Apr. 26, ’05: Google Ads added
May 10, ’05: All pages rewritten in XHTML/CSS (thanks to my brother Harry)
Jun. 08, ’05: Typo in css file corrected
Jun. 14, ’05: Section for my Scooter (Runner) added
Jun. 18, ’05: Error correction in the Runner page
May 20, ’06: Page updated with new conical midbass horn
Feb. 10, ’07: Plans of conical midbass for DL
Nov. 13, ’07: Tapped Horn Design util added to DL section.
Feb. 15, ’08: Tapped Horn Design page and downloads added.
Feb. 22, ’08: Tapped Horn folding sceme added to DL section.
Feb. 27, ’08: Tapped Horn Design util updated to v1.1.
May 15, ’08: 38Hz Tangband Tapped Horn added
Feb. 14, ’09: 38Hz double folded Tangband Tapped Horn added
Aug. 03, ’12: Dual 8″ Tangband Cinema Sub Tapped Horn added
Aug. 03, ’12: Sale section added
Dec. 15, ’12: 230cm version of Eminence TH added; minor corrections on TH page
Mar. 03, ’13: DIY L-15D amp pictures added on current system page
Apr. 28, ’14: Current System page revised and Abletec amp added
Aug. 23, ’14: Class D section added; Guestbook finally removed
Apr. 04, ’16: Transfer and restructuring of the website to WordPress CMS
Apr. 09, ’16: Alternative version of the Tanband 30Hz TH added to the download section
Apr. 09, ’16: Abletec AMS0100-2300 Class D amp added
Apr. 09, ’16: Mivoc 30Hz TH added to the project and download section
Apr. 11, ’16: Martin’s refolded version of the 30Hz Tangband TH added to the project and download section
Apr. 24, ’16: Update (simulation added) to: The Tangband 19Hz Cinema Sub Tapped Horn
Apr. 24, ’16: Update (folding information) to: Mivoc 30Hz TH
Apr. 26, ’16: Minor cosmetic changes
Apr. 29, ’16: Update (System configuration added) to: Current System
May 16, ’16: Added: Tractrix for Akabac tool in the download section
Feb. 13, ’17: Update: Martin’s refolded version of the 30Hz Tangband TH (dimension fixed)
Jul. 20, ’17: Simulations for Tractrix and conical midbass-horns added
Dec. 15, ’22: Disclaimer and Dataprotection Section update
Dec. 20, ’22: Update of current system (was overdue)
Dec. 22, ’22: Update the site to use SSL