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ah..I see... so the length of the line affects wavelength transmission, but not the angles? (this is contrary to wave dynamics as angles will affect amplitude, or a venturi effect) hmm..maybe I can alter the Reynolds number of air.. that was a bad joke..i know anyway...i will use a basis of...

yes..im playing around with winisd... with deflecting panels i mean the 'folded horn' structure in dallas II designs etc.. the folds follow particular angles and lengths within the cabinet.. are these designs thought up..then tested in practice and then refined?

been reading a lot about speaker cabinet building. What strikes me is that a lot is said about wood choices, designs and testing curves..I mean impedance and other. Not much is said about how to design the cabinet around the driver. With that I refer to the actual architecture of the box...

ah yes...I think I got quoted for B grade... going to experiment with 15mm baltic ply and 10 mm pine ply sandwiched together..

Jim.. R1300 for 21mm baltic ply? don't know what measurements but I was quoted R 900 for 20mm (or 21mm) for baltic at 1.22 x 2.44m

my apologies Atjan

yes...I know you're right.. had a long difficult day...and sometimes my logic is all I can rely on.. Didn't mean to step on toes..

In fact.. that is not a wise quotation at all I'm afraid.. If with the best you refer to a generally accepted technological standard set by electronic parameters, guidelines and expected performance coloured by audiophiles and laboratories then my answer is a resolute: Nonsense! The best is a...

Atjan.. don't get me too excited now !! I still program simulations in ForTran... ;D

God... I need a life after reading my last post..

well... Between now and the next 10 days I will have to decide on some speakers and some equipment to build my own amp... going to chat to mahleu about some options, as well as John (the amp man..) As a good scientist I will then draw up CPA (critical path analysis) to determine various...

that's the last time I will mention the words 'reversed' and 'upside down' in one sentence.

well...after a good night sleep I made a decision.. I still don't know what I'm doing.. the thing is... although I always want the best, I'm not so sure if I need the very best. Like pointed out before..you need to compromise..I feel that some people buy their audio gear a bit like they choose...

hello Geco.. thanks! ehm..tang bang (driver?). i'm still learning...be gentle..haha

And..another famous builder! Thanks Curlycat...your build was truly epic in my eyes... My wife saw your pictures and frowned : "That's fine.." she said after a long pause.. "But those monsters will reside in your cave..." Monoblocks you said...that doesn't cause problems with volume...

oh..hello! the famous amp builder..! a pleasure to meet you sir! I'm still at a loss...and still looking for a suitable valve amp.. I'm leaning towards the Mars kit 2, but it is very pricey.. My requirements are simple (or complex)..to find an amp to drive two or four fostex full range...

I lost you at..'when choosing..' :stop: the room (man cave) is large...but the listening area will be situated in a corner..not sure about the setup. brick walls, natural stone flooring...no curtains. just a bar and a pool table..  ;D ultimately I would like to make a setup with two large...

so anyway.. was reading the posts by JNouw and his superb amp build.... http://www.avforums.co.za/index.php/topic,31342.375.html would this suit my (almost acquired) Fe206e's or markaudio's?

hmm..astronomy noobs..sigh.. reflector telescopes are not for terrestrial use as the image is reversed and upside down.. :sulky:

a bit of a newbie question..but.. would a 'normal' modern receiver be appropriate to drive the above mentioned speakers? Like a Rotel? or would that just be killing it..