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Old 21st July 2014, 06:54 PM   #1
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Location: MI
Default Martin Logan Panels

I just recalled that I had some unused (aside from testing) ML CLS (I believe?) panels in the basement of my old house, so I took a trip to grab them.

Click the image to open in full size.

I guess my first question is if there is any preventive maintenance I should be considering before starting a project. I've kept them wrapped in paper in the 7 years I've owned them.

The plan at this point is to pair them up with a quad of AE Dipole 15s and run them in hybrid mode.

I've got to do some research to figure out the proper bias supply and transformers I'll need for the interface. I think I can get the 4-5kv bias supply working without too much effort and was thinking of starting out with some Antek power toroids to begin with and then decide what to do if the performance isn't up to par.

Since I'll be relieving some of the bass duties, I also have to figure out the best method to high pass the panels.

Open to ideas or suggestions since the plans are in their infancy.
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Old 21st July 2014, 07:24 PM   #2
tyu is offline tyu  United States
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preventive maintenance .............less you know the panels...Did thay work?
i would get my bias.....3700 is stock CLs panels bias... an a tranfourmer an test the panels....

an then theres.....good luck

Martin Logan Shower Cleaning PDF
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Old 21st July 2014, 07:37 PM   #3
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Yes, I believe them to be unused aside from the testing I did 7 years ago with an acoustat mk121.
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Old 22nd July 2014, 09:33 AM   #4
mroerup is offline mroerup  Denmark
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I'm really sorry for highjacking the thread for a split-second here, but I don't know how to contact Tyu otherwise...
Tyu, I send you a few personal messages several weeks ago, but you never answered. Didn't you receive these PM's or did you choose to ignore me? If you don't want to asnswer it is of course your right to do so. I would just like to know so I may ask somebody else.
...and dnewma04, sorry for the interruption again.

Regards MRoerup
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Old 22nd July 2014, 10:06 AM   #5
tyu is offline tyu  United States
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Good luck on your Apogee stages......
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Old 23rd July 2014, 07:04 PM   #6
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No problem on the interruption.

I'm now leaning towards the LO15s for their efficiency. It would open them up for use with other high frequency drivers that I have available.
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Old 23rd July 2014, 07:15 PM   #7
6L6 is offline 6L6  United States
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You can most likely get parts for the project here - Sanders Sound Systems - Contact Us
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Old 23rd July 2014, 07:37 PM   #8
AVWERK is offline AVWERK  United States
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Sanders might not be a good source for components. He's not a proponent for curved diaphragms.
You could try I guess, but his site doesn't have much for parts.

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Old 25th July 2014, 03:00 AM   #9
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I think a shopping trip to Mouser's site, Antek, and radioshack will get me everything I need.
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Old 26th July 2014, 08:48 PM   #10
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Doesn't Russ at sell supplies?

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