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Multi-Way Conventional loudspeakers with crossovers

PICS: My latest speakers...At last!
PICS: My latest speakers...At last!
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Old 16th May 2003, 07:32 PM   #1
Rarkov is offline Rarkov  England
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Send a message via ICQ to Rarkov PICS: My latest speakers...At last!
Default PICS: My latest speakers...At last!

Hi,
Here are some pics of my nearly completed speakers. All that is left to do is the laquering and plinths / spike (almost done).

The sound is simply superb...I have been playing with the placement of them for the past two hours and now have them perfectly "imaged". My method is to play a well recorded Quartet track and place them until I can pin point each player, and they are at the correct distances from each other. I have played in many quartets so I believe myself to be a good judge of this method. It took tiny movements but the image just "clicked" into place. The sweet spot is not huge but since I always sit in the same place, it's not a problem. It does not seem sensetive to general movement as I hear some can be. At first, when listening to a track of orchestra, I found the "edges" to be cut off. It was as though the front was not wide enough in it's stage (the violins and cellos). This has cleared up by moving them around a bit.

The speaker is ported (as you can see) and are made from a Visaton MHT12 and Peerless 164 HDS (w/o phase plug). The edges are routed and the lot is MDF covered in an oak veneer...

I really pleased with them!
Hope you like them as much as me!!!

Gaz

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Old 16th May 2003, 07:33 PM   #2
Rarkov is offline Rarkov  England
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Old 16th May 2003, 07:35 PM   #3
Rarkov is offline Rarkov  England
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Old 16th May 2003, 08:27 PM   #4
dhaen is offline dhaen  Europe
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Default Well done!

Gaz,

They look good, but the best thing is that you are pleased with the way they sound.

That's a very comfortable and tidy looking student's pad

Cheers,
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Old 16th May 2003, 08:36 PM   #5
amoeba86 is offline amoeba86  Australia
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sweet dude they look awesome, nice work.
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Old 16th May 2003, 08:44 PM   #6
Netlist is offline Netlist  Belgium
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Looks veeeeery nice.
You paid a lot of attention to the details.
We are pleased with the look, but can't hear the sound.
Tell us something about the crossover and the amp you use.

/Hugo - always wants to know what's inside.
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Old 16th May 2003, 09:17 PM   #7
Battlepriest is offline Battlepriest  Germany
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How does the MHT12 perform? I have a pair of them but didn't mange to buid speakers around them But that's a problem I have with a load of other drivers as well. Seems, that I need a time machine...or a 30 hour day.
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Old 16th May 2003, 09:42 PM   #8
Rarkov is offline Rarkov  England
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Hi,
The internal wire is 5 strands of 19x0.15mm PTFE silver plated copper. The xovers are both 1st order crossed over 2700Hz. It also has attenuation for the tweeter.

Here are pics of my amps: PICS: "Optimos" 140W Monoblock Amps!...

With a slightly higher rail voltage, they are closer to 160W.

Thanks for your comments...

BTW: The MHTs are great! They are extremely detailed and the imaging is absolutly perfect!

Gaz
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Old 16th May 2003, 11:00 PM   #9
SRMC is offline SRMC
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Default Optimos v. Gainclone?

Not to change the subject, but how do you like your "Optimos" monoblocks in comparison to the Gainclones you built? I've build a Gainclone and have been bitten by the DIY bug and am curious about other amp projects.
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Old 17th May 2003, 12:18 AM   #10
PaulHilgeman is offline PaulHilgeman
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They look great!

I will be using the CSX version of that woofer in a new speaker soon.

Tell us more about the XO. You must have used a zobel, correct?

I am not sure if you are using on, but a trap for that peak at 4Khz might help a bunch.

How much BSC did you use? It looks like they are about ~1.5 ft from the walls (the drivers) I am not sure what sounds right at this distance, maybe 2dB of BSC?

Let us know the details of the XO, it is the most important and most interesting part of the speaker!! And I am curious as to how you worked it out with this one!

-Paul Hilgeman
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