Transmission Line Speakers A gathering of t-line speaker lore & information Our sister sites, frugal-horn.com & more TL designs at frugal-phile.com Read Me First   about this site & an overview of transmission line design Design Information.   Martin J King for Dummies --an introduction to using the MJK Quarterwave simulation software includes the TL Foldings pretty pictures page (and speaker directory) Nineteen Projects. + a gallery of links + Virtual TLs   Folded push-push B139 TL Alternate enclosure added for TLb David Duke's Seraphim Classics.IMF . Radford . Fried .Coffins ...   Dynaco A25/35 XO added Radford S90 -- Radford is back!! Fried Model H -- satellittes + dual "coffin" woofer FALL -- Finlayson Arm Loudspeaker Lab for the latest at what we have been up to, visit planet10-hifi or the p10-hifi forum on diyAudio.com Technical Articles. BaffleStep . PLLXOs . Sallen-Key . XOs Passive Line Level XO spreadsheet added Passive Line Level Baffle Step Compensation by Paul Joppa Turning Pentodes & Beam Pentodes into Triodes -- the PEARL trick Dealing with Baffle Step Diffraction Odds & Ends. Arhus . Lanzar . ICEpower . Clipping ... Drivers. Kef B139 . ApexJr Ribbon . Decca Ribbon . FE103A . more KEF B200 pictures of Jordan JX150 Downloads. Thorsten Loesch Open Baffle Spreadsheet Virtual TL Gallery David Duke's Seraphim this site made entirely with recycled pixels   about this site -- last updated 07 february 2013 to send me mail the commercial site bits for diy speaker builders