tvcollector Posted September 7, 2015 Share Posted September 7, 2015 (edited) Hi all im new here and a big hifi fan, Im very excited to be starting my new Project a set of Tannoy westminster se cabinets. It is a big project and its a first for me as ive never built anything like this before but its a challenge. Unfortunately because the specs use different sized timber i have to glue sheets together to make the thicknesses i need. I will be mounting a set of tannoy gold monitors in them as i already have them. Any feedback would be welcome especially if anyone else has taken on this awsome project. Edited September 7, 2015 by tvcollector 13 Link to comment Share on other sites More sharing options...
davewantsmoore Posted September 7, 2015 Share Posted September 7, 2015 This is a real difficult build. You have a awesome workshop/skills ?! 1 Link to comment Share on other sites More sharing options...
tvcollector Posted September 7, 2015 Author Share Posted September 7, 2015 I install car audio and have built subboxes and custom trims so we have most of the tools inc router and saws so im willing to give it a go its definitely a challenge but i really like challenging myself plus these are my dream speaker so its worth the effort Even if they dont turn out exactly to plan. 2 Link to comment Share on other sites More sharing options...
davewantsmoore Posted September 7, 2015 Share Posted September 7, 2015 Any feedback would be welcome especially if anyone else has taken on this awsome project. Replacement box and crossover for a 12" version is the closest I've done...... but lots more tricky angles and shapes in your build, but it sounds like you are up for that. :thumbup: Link to comment Share on other sites More sharing options...
EV Cali Posted September 8, 2015 Share Posted September 8, 2015 I can't wait to see this progress. Was not sure what they looked like so goggled attached pic. Big job. Link to comment Share on other sites More sharing options...
davewantsmoore Posted September 8, 2015 Share Posted September 8, 2015 Assume everyone has seen this.... http://www.hifiwigwam.com/showthread.php?65811-Tannoy-Westminster-Build Link to comment Share on other sites More sharing options...
Sheafer Richards Posted September 8, 2015 Share Posted September 8, 2015 Good stuff mate patience is the key master that and you will be wrapped when there finished and playing cheers Sheafer Link to comment Share on other sites More sharing options...
gemini07 Posted September 8, 2015 Share Posted September 8, 2015 A great read - thanks Dave. Link to comment Share on other sites More sharing options...
Equaliser Posted September 10, 2015 Share Posted September 10, 2015 (edited) For about $4k shipped there are 2 services in Japan and China that build you a pair of dimension matched to the original WestMinister enclosures. They also build other speaker enclosures based off Western Electric, JBL, Magnavox and Tannoy models. Here is a read of one of the first few guys around that built the WM clones: http://www.diyaudio.rs/topic/2723-diy-tannoy-westminster-royal/#entry54067 Edited September 10, 2015 by DefQon 1 Link to comment Share on other sites More sharing options...
Midori Posted September 11, 2015 Share Posted September 11, 2015 @ Could you share the links to the 2 services in Japan and China? Link to comment Share on other sites More sharing options...
Equaliser Posted September 11, 2015 Share Posted September 11, 2015 No. 1 Link to comment Share on other sites More sharing options...
Sheafer Richards Posted September 11, 2015 Share Posted September 11, 2015 Hi guys just go to John at Aranmar if you want cabs done he.s the best and is in Aus! he could build those cabs with his eyes closed Link to comment Share on other sites More sharing options...
Equaliser Posted September 11, 2015 Share Posted September 11, 2015 Won't be cheap. But his workmanship is top notch. Link to comment Share on other sites More sharing options...
tvcollector Posted September 11, 2015 Author Share Posted September 11, 2015 Thanks guys yes its going to be a big job but im taking my time to make them spot on. Hers a pik with all the sheets glued read for measureing and cutting will start measuring Next week 2 Link to comment Share on other sites More sharing options...
awty Posted September 12, 2015 Share Posted September 12, 2015 Great stuff. How are you going to do the curvy bits? Link to comment Share on other sites More sharing options...
tvcollector Posted October 13, 2015 Author Share Posted October 13, 2015 Dont know yet probably cut the bach of 12mm and bend ive seen a few ways but Its all work it out as i go they arnt going to be rushed i want to enjoy building these and doing everything to the best quality will make it all worth it when i hear them, started drawing out Peices readt for cutting just waiting till i get the router back Link to comment Share on other sites More sharing options...
thermonicavenger Posted October 14, 2015 Share Posted October 14, 2015 Good luck with a herculean project Just remember that the modern 15 inch pepper pot wave guide driver has significantly different specs from the Gold & you may need custom X over mods to make it all work. Link to comment Share on other sites More sharing options...
tvcollector Posted November 2, 2015 Author Share Posted November 2, 2015 (edited) started drawing out the peices ready to cut out, still have a few more sheets to glue together and measure out and then just waiting for the router to get back. Edited November 2, 2015 by tvcollector 3 Link to comment Share on other sites More sharing options...
tvcollector Posted November 8, 2015 Author Share Posted November 8, 2015 Good luck with a herculean project Just remember that the modern 15 inch pepper pot wave guide driver has significantly different specs from the Gold & you may need custom X over mods to make it all work. How would i go about changing as the specs on the new to the hpd is almost the same? I have a set of Golds and HPDs Link to comment Share on other sites More sharing options...
tvcollector Posted November 8, 2015 Author Share Posted November 8, 2015 For about $4k shipped there are 2 services in Japan and China that build you a pair of dimension matched to the original WestMinister enclosures. They also build other speaker enclosures based off Western Electric, JBL, Magnavox and Tannoy models. Here is a read of one of the first few guys around that built the WM clones: http://www.diyaudio.rs/topic/2723-diy-tannoy-westminster-royal/#entry54067 Yes but his arnt exact, He has mounted the driver with a full opening and when you look at his measurements the are very diferent to the originals even timber thickness and the chamber. Link to comment Share on other sites More sharing options...
djb Posted November 8, 2015 Share Posted November 8, 2015 @@tvcollector this is a problem I have noticed with very many DIY speaker builders they vary things either with build specs or trying to cut cost corners with much cheaper components. It doesn't work @@gonefishing999 moans about this too Link to comment Share on other sites More sharing options...
thermonicavenger Posted November 9, 2015 Share Posted November 9, 2015 (edited) What is the main variaton of significance is the surround & cone reinforcing ribs. With the gold and all before that there were no reinfocing ribs glued to the back of the cone. The ribs were only for the 12 & 15 inch. Along with the infamous early foam surrounds they increased cone mass altered the compliance. That increased cone mass & lowered efficiency which obviously changed QTS. This change was wrought to try & make the drivers more suitable to the "new wave" of transistor amps with more current & power. By the mid 70's the alnico magnets were deleted. The early HPD still ran alnico (aluminum,nickel,cobalt ) with an A configuration ie HPD 315 A. This was due to the expense and intermittent supply issues with the Cobalt that had only 2 main sources @ the time both with polital stability issues. Thanks (apparently) in part to the efforts of a few fantical Japanese audiophiles who apparently refused to buy any non Alnico magnet Tannoys. The Alnico magnets were re-introduced in the Prestige range. The pepperpot waveguide was made out of a heavy brass/copper alloy and precision CNC machined in stark contrast to the hit & miss quality of the early ones. The surround went to a double roll cloth ompregnated polymer. The crossover went all high end polypropylene caps & resistors. To my ears they still sound best with valve amps. They just need big ones. Hope this helps. Edited November 9, 2015 by thermonicavenger Link to comment Share on other sites More sharing options...
thermonicavenger Posted November 9, 2015 Share Posted November 9, 2015 In regards to the best mods to suit the driver you have to the Westminster. Try Tannoy themselves. If they are willing to help its good PR for them & you get the best information available from the horses mouth as it were. Link to comment Share on other sites More sharing options...
thermonicavenger Posted November 9, 2015 Share Posted November 9, 2015 (edited) Lastly I think that the high compliance surround of the HPD the foam one might not be the best choice for horn loading. This is a double horn and the interactions between the driver and horn are extremely complex. You need an expert in this type of design to steer you right & that isn't me. Best of luck and apologies for the thread hijack.I will shut up now. Edited November 9, 2015 by thermonicavenger Link to comment Share on other sites More sharing options...
tvcollector Posted November 9, 2015 Author Share Posted November 9, 2015 Hi djb yes i understand your thoughts but I will use the HPDs untill i can afford a set of original ones, It will be good to hear the sound difference as everyone hears things different ive had a set of very high end Goodmans and sold them and bought a cheap set of Richard allans and i liked the richard allans better they were crisper so its going to be trial and error im not after 100% perfect sound im building these because i really like the look of them they are my dream speaker and if they sound great im happy. I know alot of people will critacise me for that comment but we are all different. Link to comment Share on other sites More sharing options...
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