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Old 5th November 2007, 12:54 AM   #551
KarlXII is offline KarlXII  Sweden
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No router jigs within reach, so I did my own from a piece of acrylic glass.

Click the image to open in full size.

It worked out just beautifully.

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Now we can start to see where this project is going...

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I also rounded of the holes on the back side of the baffle.

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Theyre coming together, slowly but surely.
One things for sure when building loudspeakers: You cannot have too many clamps.
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Old 5th November 2007, 06:20 AM   #552
Byrd is offline Byrd  South Africa
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Looking good.

Keep em comming

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Old 5th November 2007, 09:35 AM   #553
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Impressive.
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Old 5th November 2007, 10:17 AM   #554
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Quote:
Originally posted by KarlXII


I just looked at greenie512's nice smallThors. They look great!
But one thing puzzles me: He seems to have added some kind of stuffing along all sides of the inside walls.
Karl - the underlay lining is just a habit I have. No scientific reason - just a feel good factor - for me.

Quote:
Originally posted by Scottmoose


Thors IMO need at least 200wpc in an ordinary domestic setting -they'll be idling most of the time, but they'll need that in reserve to fully handle dynamic peaks. I'm sure they'll sound good with lower power too, but if you want to maximise their capabilities, the more clean power you can pump into them, the better.
Scott up to recently Id been driving the Thors with Musical Fidelity X-AS100 power amps and they are 100 watt amps which drove the Thors with ease. Ive just gone valves and have two Class A mono block Ming Da MC805s with are 40 watts and they drive the Thors easily and sound terrific. Im absolutely happy with the dynamic of these speakers with this setup.

Cheers - Phil
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Old 5th November 2007, 04:25 PM   #555
Renron is offline Renron  United States
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Karl,
Nice photos, it looks very good. Well done on building the router jig.
Those bar clamps with the blue handles look impressive, who makes those? Any available in the "states"?

Ron
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Old 5th November 2007, 05:28 PM   #556
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Quote:
Originally posted by greenie512
Scott up to recently Id been driving the Thors with Musical Fidelity X-AS100 power amps and they are 100 watt amps which drove the Thors with ease. Ive just gone valves and have two Class A mono block Ming Da MC805s with are 40 watts and they drive the Thors easily and sound terrific. Im absolutely happy with the dynamic of these speakers with this setup.
Glad you're enjoying them. Nice amps BTW -my mate Nick has just built a pair of monster 45wpc SET amps for another friend with GM70s with the kind of output transformers that make most mains transformers look under-endowed.

In reality, I was understating above -Thor would actually need ~0.75Kw to properly handle ~live level dynamic peaks. Fortunately, most people are content with less, providing the amp's clipping & distortion behaviour is relatively benign.
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Old 6th November 2007, 12:18 AM   #557
imjatse is offline imjatse  United States
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Quote:
In reality, I was understating above -Thor would actually need ~0.75Kw to properly handle ~live level dynamic peaks. Fortunately, most people are content with less, providing the amp's clipping & distortion behaviour is relatively benign.
So you are saying that I should be driving my short thors with around 750W? Because if you are I might have an excuse for a new project. So that is what you are saying right? Right?


KarlXII
Your speakers are coming along great man! Keep up the good work and keep those updates coming.
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Old 6th November 2007, 01:59 AM   #558
troystg is offline troystg  United States
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Repute is using an Adcom GFA-5802 on his fat Thors.

Class A for the first 10 watts then AB to 300 wpc! Needless to say his is VERY dynamic. I put him a 20 amp dedicated breaker / circuit for his stereo and it does sound pretty effortless.

Again the biggest single improvement I liked was the snap of the midbass. Completely unexpected improvement. Snare and rim shots were MUCH sharper and better defined once we rebuilt the cabinets. Repute likes the low end.
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Old 6th November 2007, 05:19 PM   #559
KarlXII is offline KarlXII  Sweden
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Quote:
Originally posted by Byrd
Looking good.

Keep em comming

Okidokie!


Quote:
Originally posted by Scottmoose
Impressive.
Just following your plan.





OK, some progress here.

I've sanded the baffles and made the necessary holes:
Click the image to open in full size.

Since I rounded the back side of the baffle holes, I came to think of perhaps doing it to the parts of the brace that are closest to the W18s as well. At least it can be of no harm.:

Click the image to open in full size.

MDF is a true dream to work with. I just cut with a knife and sanded it down.

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I just glue this box. No nails, no screws, no plugs.

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Glue, and a LOT af clamps.

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Old 6th November 2007, 05:24 PM   #560
KarlXII is offline KarlXII  Sweden
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Quote:
Originally posted by Renron
Karl,
Nice photos, it looks very good. Well done on building the router jig.
Those bar clamps with the blue handles look impressive, who makes those? Any available in the "states"?

Ron
Thanks, Ron!

I'm pretty sure you can find them if you want. Theyre just cheap standard issue Chinese made clamps. I have no idea where though.
I bought them on a Swedish store called Jula.
And yes, they really impress me too. Godd stuff!
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