TL speaker pictures

geoffhorton · 4th June 2011, 12:31 PM

Hi, pls find attached pictures of TL speakers. Based on Rogers and Pro9TL with mods over the years. Latest change, in one side only so far, is ATC 234SL. The other side is shown as was, with KEF B139, and in current state - stripped for new front panel. The Coles units were disconnected when the ribbons were installed. The sides are covered with carpet tiles, the metal blocks on top help anchor to the bolts into the concrete floor, and the sides have round pipe insulation to reduce diffraction. rgds to all,

Pano · 4th June 2011, 01:55 PM

Those look solid!

GM · 4th June 2011, 03:40 PM

Quote:

Originally Posted by geoffhorton

........the metal blocks on top help anchor to the bolts into the concrete floor........

Now this is my kind of mass loading!

GM

mondogenerator · 4th June 2011, 03:47 PM

those do look well built, they dont look lke theyre moving anywhere without some effort! also im glad to see 'well used' speakers here...mine look decidedly homemade and haphazard lol :

Charles Darwin · 4th June 2011, 04:15 PM

Hi Geoff,
after looking at your pictures I have one burning question:

What do you think of the Howard Dawson HRL-1?

geoffhorton · 5th June 2011, 05:46 PM

Charles - when I put the first one in (I always do any change to one side at a time and try to characterise the difference) I wished I'd bought them earlier. They are a significant improvement on the T27 and 4001. I did, of course, change the crossover and that may have contributed to the difference. Since then I've never felt any urge to 'upgrade' them. But I haven't had vast experience of listening to other tweeters so my opinion is based on very limited evidence! rgds

4th June 2011, 03:47 PM	#4
mondogenerator diyAudio Member Join Date: Sep 2009 Location: England	those do look well built, they dont look lke theyre moving anywhere without some effort! also im glad to see 'well used' speakers here...mine look decidedly homemade and haphazard lol : __________________ Im the guy that speaks in haste, and makes ill conceived theories, thinks math is a necessary evil, but i know something.Sometimes it bugs me, then i then i realise that theres 10 more just the same.So i guess Mulder was right. We are not alone.

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4th June 2011, 01:55 PM	#2
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	Those look solid!

4th June 2011, 04:15 PM	#5
Charles Darwin diyAudio Member Join Date: Nov 2009 Location: Birmingham, UK	Hi Geoff, after looking at your pictures I have one burning question: What do you think of the Howard Dawson HRL-1?

5th June 2011, 05:46 PM	#6
geoffhorton diyAudio Member Join Date: Apr 2011 Location: Purbeck, Dorset UK	Charles - when I put the first one in (I always do any change to one side at a time and try to characterise the difference) I wished I'd bought them earlier. They are a significant improvement on the T27 and 4001. I did, of course, change the crossover and that may have contributed to the difference. Since then I've never felt any urge to 'upgrade' them. But I haven't had vast experience of listening to other tweeters so my opinion is based on very limited evidence! rgds

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