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Author Topic: How to keep tops from rotating  (Read 1241 times)

Michael Lascuola

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How to keep tops from rotating
« on: June 10, 2018, 02:23:30 am »

After 2 gigs, I am super happy with these Danley SM80s.  I am getting even, articulate sound at a reasonable volume, using relatively little power.

However, with occasional wind gusts, I am experiencing a "sail" effect, which rotates the speaker in the K&M crank stand.  I used a temp fix with gaff tape, but I'd like to see if anyone is using a more elegant solution.  Some thoughts include a grooved plastic piece on the top of the pole, or something more drastic to keep it from rotating.

Thanks!

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Lou Kohley

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Re: How to keep tops from rotating
« Reply #1 on: June 10, 2018, 02:40:53 am »

I hate to suggest an expensive solution but you can either get the K&M stands with the expanding mandrel (great band name) or get the BT-12 tilter (which is what I did)

The tilter has a screw that tightens every part that can move around. I've had my SM80s up in a theater for a little over a year on poles working at least once a week and they never move.

I'm also curious to see what Dave Garoutte's tilters end up like.

LOU
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Michael Lascuola

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Re: How to keep tops from rotating
« Reply #2 on: June 10, 2018, 03:01:45 am »

Thanks for the reply!  So the "close-open" control expands and contracts the plastic parts for a snug fit?
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Callan Browne

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Re: How to keep tops from rotating
« Reply #3 on: June 10, 2018, 06:39:21 am »

I tried gaff on the top of my K&M poles so the gap was nice and tight. I almost couldn't get the speaker out! Don't repeat my mistake.

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Michael Lascuola

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Re: How to keep tops from rotating
« Reply #4 on: June 10, 2018, 08:14:03 am »

Thanks, Callan.  Yes, as heavy as the SM80s are, I wouldn't want to go there!  Because of the design, you can run tape through the bottom of the SM80, and then around the pole. If I hadn't been in a hurry, this might have been a good solution.
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Lou Kohley

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Re: How to keep tops from rotating
« Reply #5 on: June 10, 2018, 11:48:32 am »

Thanks for the reply!  So the "close-open" control expands and contracts the plastic parts for a snug fit?

Michael,
That's correct. Here's the link to the 21340 model on K&M's site.
https://produkte.k-m.de/en/Speakerlighting-and-monitor-stands-and-holders/Distance-and-extension-rods/21340-Distance-rod-with-hand-crank-and-Ring-Lock-black

For the same price you can get the BT-12 tilter. This adds more angle options as well as the locking feature for the same price.
http://bt-12.com/index.php


LOU
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Debbie Dunkley

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Re: How to keep tops from rotating
« Reply #6 on: June 10, 2018, 02:09:28 pm »

I use a method I have been doing for years - cost?... zero.

I take old plastic containers - like those that contain vinegar, oil, sauce etc and when  it is empty, I cut small pieces out of them about 3" by 1" and round off the edges to make small shims.  I get dozens from one container.
Because the container is already curved, the shape of the shims is perfect.  I take them to shows in a  baggie and once the speakers are positioned, I slot them up into the top hat positioning them at the back so they cannot be seen - usually 2 is enough. Takes a second and costs nothing. If I don't end up getting them back - oh well I gots me plenty more.......
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Michael Lascuola

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Re: How to keep tops from rotating
« Reply #7 on: June 10, 2018, 02:26:53 pm »

Thanks, Lou!  I like how the K&M expands, I might order a pair on Monday.

Thanks, Debbie.  I will try your idea this weekend :)
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Steve Garris

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Re: How to keep tops from rotating
« Reply #8 on: June 10, 2018, 02:49:14 pm »

Thanks, Lou!  I like how the K&M expands, I might order a pair on Monday.

Thanks, Debbie.  I will try your idea this weekend :)

I use the K&M expanding mandrel distance rods for my heavy SRX815p's. Mine are the manually height adjustable type. The expanding part works really well, and holds the speaker in place nicely.
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Dave Garoutte

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Re: How to keep tops from rotating
« Reply #9 on: June 10, 2018, 04:04:28 pm »

I hate to suggest an expensive solution but you can either get the K&M stands with the expanding mandrel (great band name) or get the BT-12 tilter (which is what I did)

The tilter has a screw that tightens every part that can move around. I've had my SM80s up in a theater for a little over a year on poles working at least once a week and they never move.

I'm also curious to see what Dave Garoutte's tilters end up like.

LOU

The speaker will sit on a rubber pad on the top platform.  The post will not be quite as deep as the socket in the speaker.
There will be a pinch knob to clamp the bottom socket to the tripod.
« Last Edit: June 10, 2018, 04:09:17 pm by Dave Garoutte »
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