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Old 12th February 2012, 02:24 PM   #1981
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Hi Carl, thanks for the compliment.

7.0 mH iron core.

Look forward to seeing your progress.
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Old 12th February 2012, 07:29 PM   #1982
Nanook is offline Nanook  Canada
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Default So how is this different from any other thread?(mods?)

Guys,

I don't really see the need for this thread, based on how it has been used. Where is the picture gallery? This starting to become "anything goes" in this thread.

Can an actual gallery be made that is just photos? It would seem to me to just have references to the photos (as in links) that would be placed into a Gallery. Does this make sense?

This seems like all the other "Gallery" threads, except for those that are "user's systems"
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Old 13th February 2012, 06:28 PM   #1983
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by Nanook View Post
Guys,

I don't really see the need for this thread, based on how it has been used. Where is the picture gallery? This starting to become "anything goes" in this thread.

Can an actual gallery be made that is just photos? It would seem to me to just have references to the photos (as in links) that would be placed into a Gallery. Does this make sense?

This seems like all the other "Gallery" threads, except for those that are "user's systems"


do as I say, not as I do?

yes, any of us can ramble on , apropos of nothing
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Old 13th February 2012, 09:01 PM   #1984
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I's imagine those would be quite enjoyable Cal... enjoy them!

Zilla
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Old 15th February 2012, 07:52 PM   #1985
tuhkam is offline tuhkam  Estonia
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Default Visaton FR13 bass reflex

Visaton FR13 bass reflex

My first speaker project, still waiting for the terminals. The port is tuned for 55Hz. The drivers aren't burned in yet, but I like them quite a bit already.

Click the image to open in full size.
Click the image to open in full size.
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Old 15th February 2012, 08:28 PM   #1986
jleaman is offline jleaman  Belgium
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Quote:
Originally Posted by tuhkam View Post
Visaton FR13 bass reflex

My first speaker project, still waiting for the terminals. The port is tuned for 55Hz. The drivers aren't burned in yet, but I like them quite a bit already.
Very nice i like the color
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Old 16th February 2012, 03:04 AM   #1987
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What is the Free Air Resonance of the driver, and did you scale the port opening and length to tune the enclosure to the Free Air Resonance frequency?
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Old 16th February 2012, 11:09 PM   #1988
tuhkam is offline tuhkam  Estonia
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Fs is 100Hz, but the impedance peak reaches only to approx. 11 ohm. It is tuned way below this, to 55Hz. Can this cause problems?

I'm in the process of constructing a measurement mic, until then I can only judge by ear, the 100Hz region doesn't sound strange I would say. The speaker will need baffle step correction and a notch filter at 5k. The driver is dirt cheap, but doesn't sound too bad.

Driver info:
FR13-4 - Visaton full-range speaker with an inverted surround 13 cm (5 inch) (4800) - Europe Audio
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Old 23rd February 2012, 02:31 AM   #1989
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Great job tuhkam!
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Old 4th March 2012, 02:02 AM   #1990
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Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.

Castle Microtower build, CSS kit. White oak base, red oak veneer with red mahogany stain. Magnets behind the veneer, but haven't made the grills yet. Was thinking of a pyramidal or slanted top grill to avoid people wanting to set things on top of them.
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