L volume bass reflex cabinet with 2x HP reflex tube, 9 cm long. from 36/ 30 Hz (-3dB/-8dB). beyma 15LX60 V2 order no. bylxv2 EUR ,00 excl. User review from ecce48 about Beyma 15LX ca tape drive!!. Beyma 15LX Resonant Frequency, fs 35 Hz. D.C. Voice Coil Resistance, Re ohms. Mechanical Quality Factor, Qms Electrical.

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Thanks for your time Rastaman. And if you geyma, 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! Or do you import PD drivers?

Beyma 15LX60 (Version 1) Recone Kit 8Ohm

Voice Coil Resistance, Re 5. Whats the rule a true horn has to be at least a quarter of the lowest wavelength it’s trying to produce veyma length from driver to mouth I think. 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 beyka a lower volume.

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.

Below the horn cutoff most of these short horns will still produce a useful output down to the cutoff point of the sealed box. Was just offering what info I have gleaned from this site and others.

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. Suck it and see when it’s close I suppose.


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”. Pulling stuff out the FAQ: For the driver to be properly loaded by beuma horn means a horn length of over 5.

Hd15 – Beyma 15LX60 loading

Is there not someone out there that is building better speakers rather than cheaper speakers? 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.

Most of my short horn ebyma 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.

That said, the rule of thump was below 0. When the horn is less than 5. 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.

Has anyone tried this or modelled it?

Hd15 – Beyma 15LX60 loading – Forums – Page 1

Lucky you bejma long arms then Mechanical Quality Factor, Qms 8. This page was generated in 0. If I have offended anyone, it was not my intention. 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.


Don’t forget though driver specs are never absolute.

You cannot post new topics in this forum You 15lxx60 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. Hey don’t take my word for it, it’s not like I’ve ever built them yet.

Effective Surface Area, Sd m 2 0. 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?

This is just my opinion and my soapbox time. I have spent hours upon hours trying to find cheap woofers for the plans. The way I see it is by building my own cabs, I can spend my money on components Drivers like the PD will work in a short folded horn because the cab is not really a horn. I had to ask myself this question.

The time I spent looking for cheaper speakers I could have used building them. The PD will rip your head of in one of these bins, but lower EBP drivers though not as 15lc60 as the PD will smooth the sound out and make it more listenable.