firs pics of my rig build |
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tv00
Old Croc Joined: 10 August 2009 Location: Denmark Status: Offline Points: 1886 |
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I think I made my opinion on this subject pretty clear.
I in respect of peoples fine work I think fir ply is not good enough for it. Fir cabs are not that strong & hard. They resonate more like a drum when u hit em They're easy to scratch They have an uneven surface They'll give you a lower sale price |
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Adam_Iron_Horse
Old Croc Joined: 02 January 2010 Location: Scotland Status: Offline Points: 2043 |
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What is fir?
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Kryptonik Sound Kollective
www.facebook.com/kryptoniksoundkollective |
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Father-Francis
Old Croc Joined: 24 October 2007 Location: Kenya ,Denmark Status: Offline Points: 2760 |
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http://www.ebay.co.uk/bhp/timber-fence-boards
Pine tree(s)
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Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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Dub Specialist Sound
Old Croc Joined: 15 November 2013 Location: Smethwick Status: Offline Points: 4873 |
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So is it a total no no for box building , or is this one mans opinion...
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Musical Roots Reggae Vibration is Life! for music is sound...sound is vibration...vibration is energy... and energy begets life. Therein lies my passion!...MUSIC IS LIFE...
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Gfoster
Registered User Joined: 26 January 2014 Status: Offline Points: 88 |
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I would say 18mm Ply is best for this?
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TONY.A.S.S.
Old Croc Joined: 21 February 2007 Location: United Kingdom Status: Offline Points: 6878 |
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Years ago, American cabs had a really bad reputation, which is one of the reasons why so many PA companies had their JBL cabs built here. I remember seeing some Altec "Voice of the Theatre" A7 cabs which just fell apart. It seemed that, unlike now, Americans couldn't buy Russian Birch, so they were stuck with Canadian Douglas Fir, which is technically a soft wood. Douglas For shouldn't be confused with Far eastern or Lauan Ply which be similar in appearance.
Edited by TONY.A.S.S. - 04 February 2014 at 6:16pm |
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app
Old Croc Joined: 26 December 2013 Location: Finland Status: Offline Points: 2435 |
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Still biggin up the Finnish birch!Althou I enjoy em in the woods as much as I enjoy my birch ply speaker box
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"what!?"
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TONY.A.S.S.
Old Croc Joined: 21 February 2007 Location: United Kingdom Status: Offline Points: 6878 |
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Been said before, Finnish is regarded as the best, and the most expensive. Great for production because it is generally softer than Baltic or Russian Birch, and is easier on the cutters. When we were building the TMS range for Turbosound, it was all Finnish although a little thinner. Max was 15mm apart from the 24 which was 24mm. the TSE range used Russian. It could be argued that in spite of being classed as a better ply, Baltic or Russian could have the edge on sound because it's harder and therefore a little less resonant perhaps.
Edited by TONY.A.S.S. - 04 February 2014 at 7:12pm |
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jazomir
Old Croc Joined: 20 November 2006 Location: Sunderland UK Status: Offline Points: 1710 |
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I remember seeing both JBL & Altec cabs in the early seventies and was not impressed with ply used which in both cases looked like it had sat on a building site in the rain for a few months. Both sets of Altec A7s looked worse than the JBLs (one was painted grey the other varnished or waxed) and it was obvious that both were delaminating and not only at the edges, but the JBLs were in a truly dreadful state and either hadn't been glued/screwed together properly or the whole box was de-laminating but the evidence wasn't yet visible from the outside except that the cabs were wobbly! Also, the JBLs seemed to be made of very thin wood - possibly only 12mm - and didn't look like they would last for any time. Still, major large scale touring was pretty much in its infancy - most bands in the UK were still using WEM systems and Martin et al had just started but they were far superior build wise than the American stuff I saw - I wonder how many company made JBL/Altec cabs from that era are still touring today (I know lots of them were installs, due to my earlier point, but I have seen many pics of old cabs taken from clubs/theatres etc that had also began to fall apart. Many old cabs still around are probably home made as plans were readily available, and probably used better quality materials than the manufacturers themselves).
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For sidefills, can we have two enormous things of a type that might be venerated as Gods by the inhabitants of Easter Island, capable of reaching volumes that would make Beelzebub soil his pants.
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SMP
Young Croc Joined: 16 March 2013 Location: East London Status: Offline Points: 1226 |
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I concur with TR on this often US Manufacturers no choice as import of "Russian Birch" was actually banned in the USA IIRC not allowed so they had Poplar or Furniture grade Ply a bit like our "Shutterring"
Some like JbL had there cabs made in Finland for the European market in the past there was a similar issue in Japan also they had a similar supply constraint and some did what JBL did and supply Components for systems built in Euriope I do not think there still exists such issue around the Globe any more. "Finnish" or "Baltic" Birchply is just a commodity now available on a global scale |
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SMP
Young Croc Joined: 16 March 2013 Location: East London Status: Offline Points: 1226 |
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In fact I believe my JBL Studio Mons here are made in Denmark with US Components
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