And Now For Something REALLY BIG - Page 57

HeatMiser · 16th November 2012, 01:48 AM

Isn't electronic delay going to only make the time alignment work directly on-axis (or wherever you choose to figure it from) and get progressively out of whack further off axis?

GM · 16th November 2012, 08:40 AM

I've never actually used digital TD or read anything about its design or have time ATM to research it, just know that folks are pleased with its performance even with horn-in-horn systems. I mean all it does is move one sound system back in time to match another, so don't see why it would change the summed off axis response from one done physically.

Maybe this will help: Live Sound International | Tech Talk: How to correctly get loudspeaker drivers in sync

GM

freax · 08:58 AM

any options for these woofers and the ownership of cats? ie, wire/steel speaker protectors this large? 18" or larger?

Yep: http://www.ebay.com.au/itm/2X-18-Met...item484699ce1b

JRKO · 09:17 AM

Quote:

Originally Posted by GM

...... i.e. take the horn mouth radius [if round] or the height/2 [if rectangular] x 0.613 to get a 'good enough' distance.

For a 13" high 805, I'd use 13/2 = 6.5*0.613 = ~3.98" min..

GM

So for the 8 cell which is 10.63" tall (conversion from 27cm) tall so:

10.63/2 = 5.32*0.613 = 8.7"

Is this inches from the cabinet below or the driver edge?

JRKO · 16th November 2012, 09:15 AM

Quote:

Originally Posted by freax

any options for these woofers and the ownership of cats?

What cat do you have? A very angry main coon

GM · 16th November 2012, 09:49 AM

Quote:

Originally Posted by JRKO

So for the 8 cell which is 10.63" tall (conversion from 27cm) tall so:

10.63/2 = 5.32*0.613 = 8.7"

Is this inches from the cabinet below or the driver edge?

Hmm, '*' = multiply, so 5.32*0.613 = ~3.26".

From the cab to bottom of the mouth. Note the relatively large gaps: http://www.lansingheritage.org/image...pro/page04.jpg

GM

freax · 09:54 AM

Quote:

Originally Posted by JRKO

What cat do you have? A very angry main coon

I don't have one at the moment but I am planning on getting one sometime soon

It has to be white though, I love white cats, if you have any suggestions I'd be greatful for them.

The one I had 10 years ago was a feral/hybrid, we're not entirely sure what breed he was.

At the moment I've got a 12" driver that needs protecting, better get a speaker cover... will probably be getting a second 12", I just like the accuracy of 12" drivers with the right cone material, its weird.

JRKO · 16th November 2012, 09:58 AM

Quote:

Originally Posted by freax

It has to be white though, I love white cats, if you have any suggestions I'd be greatful for them.

I have a ragdoll. Unbelievably friendly, will follow you round the house and listen to music with you. Indoor cat only though.

JRKO · 16th November 2012, 10:01 AM

Quote:

Originally Posted by GM

Hmm, '*' = multiply, so 5.32*0.613 = ~3.26".

GM

D'OH!!!!! Curse my Mac keyboard!!! I divided instead

yes its 3.26"

buzzforb · 16th November 2012, 10:23 AM

THe A8 in that pic looks liek a an MLTL. THat would definitely fit the big bill.

16th November 2012, 08:40 AM	#562
GM diyAudio Member Join Date: Jun 2003 Location: Chamblee, Ga.	I've never actually used digital TD or read anything about its design or have time ATM to research it, just know that folks are pleased with its performance even with horn-in-horn systems. I mean all it does is move one sound system back in time to match another, so don't see why it would change the summed off axis response from one done physically. Maybe this will help: Live Sound International \| Tech Talk: How to correctly get loudspeaker drivers in sync GM __________________ Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

16th November 2012, 08:54 AM	#563
freax Owner and operator of irc.tenettenba.info diyAudio Member Join Date: Sep 2007 Location: NSW	any options for these woofers and the ownership of cats? ie, wire/steel speaker protectors this large? 18" or larger? Yep: http://www.ebay.com.au/itm/2X-18-Met...item484699ce1b __________________ Last edited by freax; 16th November 2012 at 08:58 AM.

16th November 2012, 10:23 AM	#570
buzzforb diyAudio Member Join Date: Oct 2010 Location: Burlington, NC	THe A8 in that pic looks liek a an MLTL. THat would definitely fit the big bill. __________________ \|F6 Kit/Trasnformer GB Sign up sheet Closed,\|Primrose GB Sign Up sheetClick Here ...Shape the sound , Man!

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Transformers: How big is TO big??	dfdye	Power Supplies	39	4th September 2010 02:30 PM
Big Toroids & Big Caps	K-amps	Swap Meet	10	25th June 2009 07:43 PM
Having problems with port size... how big is far too big?	fjhuerta	Multi-Way	10	30th August 2005 06:20 PM
Big Big hum ???	vlljpior	Tubes / Valves	4	26th August 2005 03:53 AM


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

16th November 2012, 01:48 AM	#561
HeatMiser diyAudio Member Join Date: May 2003 Location: Washington State, USA	Isn't electronic delay going to only make the time alignment work directly on-axis (or wherever you choose to figure it from) and get progressively out of whack further off axis?

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read