BEYMA 15LX60 PDF

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The PD is considered to be a great driver in these and the LX60 looks better in a lot of areas. Effective Surface Area, Sd m 2 0. Displacement Volume, Vd cm. Yeah, it was just a thought as i can get them cheap and PD are out of stock of PD's and factory is off on hols until 23rd August Or is everyone trying to build speakers of their own, trying to do it cheaper rather than better?

The way I see it is by building my own cabs, I can spend my money on components And if you look, i'm asking because of lack of availability rather than price - i've got no problem sticking my hand in my pocket deep though they are!

New Posts. Members Profile. Post Reply. Has anyone tried this or modelled it? Voice Coil Resistance, Re 5. Mechanical Quality Factor, Qms 8. My laser stuff: Frikkin Lasers. Yeah, but its not strictly a horn is it, that's why i'm curious, and the LX series are supposed to be good in BP boxes. Probably, but then there's the whole, it's not really a horn, it's a horn bandpass cab. Whats the rule a true horn has to be at least a quarter of the lowest wavelength it's trying to produce path length from driver to mouth I think.

A short folded horn with horn length of around 85 cm and a mouth area of sq cm, so a horn with an 85 Hz cutoff quarter space will sound really hard with high EBP drivers in them. The PD will rip your head of in one of these bins, but lower EBP drivers though not as low as the PD will smooth the sound out and make it more listenable. Rog wrote: Drivers like the PD will work in a short folded horn because the cab is not really a horn.

For the driver to be properly loaded by a horn means a horn length of over 5. When the horn is less than 5. Basically the horn just adds a bit of gain from around 80 to Hz, the cab will produce notes above and below these frequencies, just at a lower volume.

You want a driver with a low resonance a powerful motor system and good damping, the PD has all of these. Most of my short horn designs will work down to 50 Hz because I design them to be sealed boxes first that just have a bit of extra gain and kick from the horn in the 80 to Hz range. Below the horn cutoff most of these short horns will still produce a useful output down to the cutoff point of the sealed box So it looks like there may be some middle ground, but the Beyman may not be in it.

That said, the rule of thump was below 0. Don't forget though driver specs are never absolute. Suck it and see when it's close I suppose. It may even be with a bandpass horn whatever it actually is, the parameters required change, it's got a nice low resonance, and an average BL and below average Qts. Thanks for your time Rastaman. Hey don't take my word for it, it's not like I've ever built them yet. Was just offering what info I have gleaned from this site and others.

What about the MaxPro drivers from Nightfire they usually have similar specs to the PD's you can probably find a useable 15" there, thats what I'm aiming for when I finally build some 's, they seem to be close to the PD line, at least the 18"'s do.

Edited by rastaman. Nah, i'm just being stupid really, i'd like to keep them all the same loading and i do love the PD's. Is it just me? Is there not someone out there that is building better speakers rather than cheaper speakers? I had to ask myself this question. Do I want cheap speakers which I have bought and have blown. I am with the understanding that if you build these plans with the recommended speakers that are given that you will not only have great speakers, but you will have great speakers you will be proud to say "Yeah, I built these".

This is just my opinion and my soapbox time. If I have offended anyone, it was not my intention. I have spent hours upon hours trying to find cheap woofers for the plans. The time I spent looking for cheaper speakers I could have used building them. Well said Just perhaps not the most suited to the box which is why i asked. Just curious, but you're in the US too, where PD drivers are very hard to come by, almost all the Speakerplan designs have a PD driver as their first choice, so what do you use instead?

Or do you import PD drivers? Lucky you have long arms then You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum.

This page was generated in 0. Below the horn cutoff most of these short horns will still produce a useful output down to the cutoff point of the sealed box. Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum.

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BEYMA 15LX60 PDF

L volume bass reflex cabinet with 2x HP reflex tube, 9 cm long. User review from ecce48 about Beyma 15LX ca tape drive!!. Voice Coil Resistance, Re ohms. Mechanical Quality Factor, Qms Electrical. Do I want cheap speakers which I have bought and have blown. Has anyone tried this or modelled it?

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