Bought a lathe so I can turn horns - Page 6 - diyAudio
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Old 2nd April 2013, 04:13 AM   #51
djn is offline djn  United States
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I need horns for myself first.
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Old 2nd April 2013, 04:54 AM   #52
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How about turning some in stiff foam for a core and then glassing them over?
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Old 2nd April 2013, 05:06 AM   #53
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I love the "Turned without tailstock at any stage comment in the picture"
I bet someone felt a tad uneasy at some point.
I have turned logs, but always at least started with tailstock.
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Old 2nd April 2013, 09:04 AM   #54
AndrewT is online now AndrewT  Scotland
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Quote:
Originally Posted by Magura View Post
.........A horn from 400Hz to 20kHz, would be awesome though..........
That is 5 and a bit octaves.
Way outside the recommended 3octave limit.
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Old 2nd April 2013, 11:39 AM   #55
djn is offline djn  United States
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Quote:
Originally Posted by Datubie View Post
How about turning some in stiff foam for a core and then glassing them over?
Then I would have to deal with fiber glass......ick!

Quote:
Originally Posted by daqvin_carter View Post
I love the "Turned without tailstock at any stage comment in the picture"
I bet someone felt a tad uneasy at some point.
I have turned logs, but always at least started with tailstock.
I've got a log just waiting to go up on the lathe, but I will use the tail stock as long as I can.

Quote:
Originally Posted by AndrewT View Post
That is 5 and a bit octaves.
Way outside the recommended 3octave limit.
I like to use the big Heil for everything over 10khz.
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Old 2nd April 2013, 02:49 PM   #56
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I love old machinery and anything Oliver is first class. That lathe will last several lifetimes.

ps, get a cage on the Cresent upper/lower wheel(s).
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Old 2nd April 2013, 02:52 PM   #57
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Originally Posted by AndrewT View Post
That is 5 and a bit octaves.
Way outside the recommended 3octave limit.
All roads will lead to 5 ways in the end
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Old 2nd April 2013, 02:59 PM   #58
djn is offline djn  United States
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My daughter already called dibbs on the lathe when I pass! Yep, I found a couple very nice gages for the saw that will protect me and still let the beauty of the old iron shine through.
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Old 2nd April 2013, 03:04 PM   #59
AndrewT is online now AndrewT  Scotland
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Quote:
Originally Posted by Speedysteve7 View Post
All roads will lead to 5 ways in the end
not necessarily.

A 3way horn system with 3octaves per horn results in 9octaves, or about 40Hz to 20kHz.

a 4way system with the top three all of ~2.7octaves horns and a non-horn low bass speaker can get to over 10octaves and cover the 20Hz to 20kHz bandwidth and yet stay well within the 3octave horn limitation,

If one had enough space then, a 4way horn system can get to around 11octaves.
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Old 2nd April 2013, 03:07 PM   #60
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djn ... you need the cages to shroud the blades. A snapped bandsaw blade is unpredictable.
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