ProSoundWeb Community

Sound Reinforcement - Forums for Live Sound Professionals - Your Displayed Name Must Be Your Real Full Name To Post In The Live Sound Forums => LAB Subwoofer Forum => Topic started by: Zeus Castrol on September 05, 2019, 10:33:38 AM

Title: Yamaha DXS18 Subwoofer Castors / Casters third party
Post by: Zeus Castrol on September 05, 2019, 10:33:38 AM
Hey guys, I recently bought a Yamaha DXS18 Subwoofer and decided to pair it with castors (casters if you're in the US).

The official SPW-1 castors are a crazy rip-off price of £100 a set.

So I went for aftermarket units.

This sent me on a wild goose chase looking for the exact measurements I need.

I looked through all the first few website results on google for castors and none of them had them.

Eventually found a couple of options I want to share on here, to save others the hours of work it took to find them. Amazon has some, but they never put the bolt hole spacing in the title,

and so you end up trawling through page after page of castors looking for that specific information. The plate size they list doesn't give any indication of the bolt spacing either.

I also cannot find any swivel and/or locking castors that also correspond with the bolt hole centres, so all of these are fixed castors without breaks, just like the official SPW-1 units

are.

Also for the record, the weight of the sub is 50kg.

The Yamaha SPW-1 castors are 75mm, and that's the size I went for below (i.e. the polyurethane ones).

For those in doubt, the bolt hole centres you need the castor plate to line up with are 81mm x 40mm. I'd imagine 80mm x 40mm will also work.

Product Links:

A low-quality option but good if you want to buy individual castors, not sets. They allow for 45kg each, but you will only ever rock back on to them with 2 castors, so the load will be

shared: https://www.ironmongerydirect.co.uk/product/coldene-fixed-castor-45kg-grey-563715https://www.ironmongerydirect.co.uk/product/coldene-fixed-castor-45kg-grey-563715

£20 rubber castors with 100mm wheels: https://www.amazon.co.uk/100mm-Marking-Grey-Rubber-Castors/dp/B074ZWVTZR
£24 polyurethane castors with 75mm wheels: https://www.amazon.co.uk/75mm-Polyurethane-Fixed-Casters-RED/dp/B0751DFWB2
£24 polyurethane castors with 100mm wheels: https://www.amazon.co.uk/100mm-Polyurethane-Fixed-Casters-RED/dp/B07515JHLD
£25 -polyurethane castors with 125mm wheels https://www.amazon.co.uk/125mm-Polyurethane-Fixed-Casters-RED/dp/B07511WDXG
£30 rubber castors with 125mm wheels: https://www.amazon.co.uk/125mm-Marking-Grey-Rubber-Castors/dp/B075118N7N

If anyone has any links to locking/swivel castors with 81mm x 40mm bolt hole centres, please comment. Would be useful when on the roadside and ramps etc.

All in all you can pay 1/5 the price of the Yamaha units and still get a sound result.

Hope that helps someone!
Title: Re: Yamaha DXS18 Subwoofer Castors / Casters third party
Post by: Rich Riotto on September 06, 2019, 04:55:29 PM
Hey guys, I recently bought a Yamaha DXS18 Subwoofer and decided to pair it with castors (casters if you're in the US).

The official SPW-1 castors are a crazy rip-off price of £100 a set.

So I went for aftermarket units.

This sent me on a wild goose chase looking for the exact measurements I need.

I looked through all the first few website results on google for castors and none of them had them.

Eventually found a couple of options I want to share on here, to save others the hours of work it took to find them. Amazon has some, but they never put the bolt hole spacing in the title,

and so you end up trawling through page after page of castors looking for that specific information. The plate size they list doesn't give any indication of the bolt spacing either.

I also cannot find any swivel and/or locking castors that also correspond with the bolt hole centres, so all of these are fixed castors without breaks, just like the official SPW-1 units

are.

Also for the record, the weight of the sub is 50kg.

The Yamaha SPW-1 castors are 75mm, and that's the size I went for below (i.e. the polyurethane ones).

For those in doubt, the bolt hole centres you need the castor plate to line up with are 81mm x 40mm. I'd imagine 80mm x 40mm will also work.

Product Links:

A low-quality option but good if you want to buy individual castors, not sets. They allow for 45kg each, but you will only ever rock back on to them with 2 castors, so the load will be

shared: https://www.ironmongerydirect.co.uk/product/coldene-fixed-castor-45kg-grey-563715https://www.ironmongerydirect.co.uk/product/coldene-fixed-castor-45kg-grey-563715

£20 rubber castors with 100mm wheels: https://www.amazon.co.uk/100mm-Marking-Grey-Rubber-Castors/dp/B074ZWVTZR
£24 polyurethane castors with 75mm wheels: https://www.amazon.co.uk/75mm-Polyurethane-Fixed-Casters-RED/dp/B0751DFWB2
£24 polyurethane castors with 100mm wheels: https://www.amazon.co.uk/100mm-Polyurethane-Fixed-Casters-RED/dp/B07515JHLD
£25 -polyurethane castors with 125mm wheels https://www.amazon.co.uk/125mm-Polyurethane-Fixed-Casters-RED/dp/B07511WDXG
£30 rubber castors with 125mm wheels: https://www.amazon.co.uk/125mm-Marking-Grey-Rubber-Castors/dp/B075118N7N

If anyone has any links to locking/swivel castors with 81mm x 40mm bolt hole centres, please comment. Would be useful when on the roadside and ramps etc.

All in all you can pay 1/5 the price of the Yamaha units and still get a sound result.

Hope that helps someone!

We have the 15 inch version and went through the same search last year.  Eventually I gave up and just bought the ridiculously overpriced casters from Yamaha as I couldn't match the hole spacing...and it wasn't for lack of looking!  The spacing is specified in the CAD drawing from Yamaha:

https://usa.yamaha.com/files/download/other_assets/6/1173836/dzr_dxs_xlf_series_dimensions.pdf

FWIW, it's a nice set that includes a thin piece of mylar and the bolts.

Hope this helps!
Rich