Short Thor build

mattmcl · 20th April 2009, 05:01 PM

I've decided to build a set of Short Thors. Would someone confirm that these are the correct schematics? I believe the cabinet plans are correct, but am less sure of the xover plans.

planet10 · 20th April 2009, 05:23 PM

At the time i drew that it was the correct "alternative" XO. You should find the link back to the other forum for XO tweaks to suit your room, or for any more recent changes.

dave

mattmcl · 20th April 2009, 09:08 PM

Thanks Dave. Yeah, I saw the tweaks but wanted to be sure this was the starting point. I'm new to building xovers so will likely go with the standard in this drawing to start.

jimangie1973 · 20th April 2009, 09:31 PM

Hey mattmcl,

I designed the crossover shown about 2 years ago. Since that schematic was made, I've done another design which uses shallower LR4 slopes instead of the steeper 6th order slopes of the crossover shown. I prefer the sound of the crossover with the LR4 slopes. Fellow member tktran has also built the newer LR4 crossovers for his Thors.

I don't have time now, but I will post all the relevant information within a day or two.

Jim

mattmcl · 20th April 2009, 10:29 PM

Here is my cut list. I used freeware called simply "CutList" to create this. It's a very nice tool to have.

jimangie1973 · 21st April 2009, 04:36 PM

Here's the schematic...

BrianGT · 21st April 2009, 04:38 PM

Awesome. I always was curious to build a set of new cabinets for my Thor TL speakers, as they are too big to fit in my living room properly, and the original design isn't an optimal TL.

--
Brian

jimangie1973 · 21st April 2009, 04:39 PM

On-axis response...

Note: only accurate above 300-400 Hz.

jimangie1973 · 21st April 2009, 04:40 PM

30 degrees horizontle off-axis response...

Note: only accurate above 300-400 Hz.

jimangie1973 · 21st April 2009, 04:43 PM

Reverse null on-axis response indicating good phase integration...

20th April 2009, 05:23 PM	#2
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	At the time i drew that it was the correct "alternative" XO. You should find the link back to the other forum for XO tweaks to suit your room, or for any more recent changes. dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

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20th April 2009, 09:08 PM	#3
mattmcl diyAudio Member Join Date: Apr 2009	Thanks Dave. Yeah, I saw the tweaks but wanted to be sure this was the starting point. I'm new to building xovers so will likely go with the standard in this drawing to start.

20th April 2009, 09:31 PM	#4
jimangie1973 diyAudio Member Join Date: Jan 2007	Hey mattmcl, I designed the crossover shown about 2 years ago. Since that schematic was made, I've done another design which uses shallower LR4 slopes instead of the steeper 6th order slopes of the crossover shown. I prefer the sound of the crossover with the LR4 slopes. Fellow member tktran has also built the newer LR4 crossovers for his Thors. I don't have time now, but I will post all the relevant information within a day or two. Jim

21st April 2009, 04:38 PM	#7
BrianGT diyAudio Moderator Emeritus Join Date: Jan 2002 Location: near Atlanta, GA	Awesome. I always was curious to build a set of new cabinets for my Thor TL speakers, as they are too big to fit in my living room properly, and the original design isn't an optimal TL. -- Brian

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