audio-talk

I’m appreciative of your input Scot, very helpful.

The woofers will go up to c.500hz.

The sound waves of an OB do cancel at the sides, which as I understand it is why you get the figure of 8 pattern.

When you look at other photos of the Reflector you can see that the horn is recessed into the void between the baskets, so I reckon it’s to reduce the overall width and height. I think the AE Dipoles look great from the front which is why I want them forward facing.

Thanks Steve. Looking forward to seeing the comments and observations.

It might be worth mentioning that my idea is to low pass 2 of the AE 12s at c.500hz (where they will cross to the big horn) and the other 2 at c.100hz so that they help to compensate for the low end roll off.

Steve
How would you bend those boards - kerf?

I’d welcome comments about the Sigma woofer system, or indeed any other suggestions re the 4 woofers.

(My original plan was a vertical stack - WW/HORN/WW - but that would be 2m tall and that is too tall for my liking.)

Quite a while back I posted about this speaker project. For reasons I won’t trouble you with, I’ve not been able to progress things, but in a few months I’ll be in a position to set things up so I’m now looking to finalise the design. The speaker is centred around Joseph Crowe’s ES290 biradial horns...

Looking for at least 2 of these which are on back order everywhere I’ve looked.

First off, a big thank you to Colin for inviting me over to listen to these speakers and for being a splendid host. After chatting about the drivers and the construction of the cabinets I sat down for a listen. I was immediately struck by the purity and transparency of the midrange and treble - I co...

Chipboard types. Presumably the high density ones would be best for our purposes: https://hanson-plywood.co.uk/wp-content ... uide-2.pdf

vinylnvalves wrote: ↑Mon Mar 13, 2023 11:30 am Send me your drawing dimensions and I can give you an idea on birch ply, as I still have a stash, and as nobody wants anymore horns, it’s sitting there. Otherwise I would be looking at OSB, the glue damps it a bit. Anything but MDF......

I’ll email you Steve.

steve s wrote: ↑Mon Mar 13, 2023 12:07 pm Flooring grade chipboard is my choice, in my opinion it has less 'sound' than the best ply's.

That’s interesting Steve because I’ll soon be buying lots of it our for our house renovations - I assume you mean the stuff that’s used nowadays instead of floorboards?

I am going to be making some U frames for some AE Dipole 12 woofers. Birch ply would be my material of choice but it’s such a crazy price now and given that these will be open backed I’m thinking MDF will probably be adequate. One idea I’ve thought about previously is to apply a fibre glass layer or...

I totally get the convenience thing and I’m with you. I wouldn’t dream of using a PC to play music unless I could run it headless and use a tablet as the interface. Multiple amps is a bit of a pain but I think it is going to be worth the hassle in what it delivers sonically. If my expectations of Au...