Beyma 18pwb1000fe - opinions/users?

[Pnotus]

Would like to know opinions on this woofer for a bass reflex box and usable output between 30 to 100 hz?

Anyone tried it for Hifi application?

Crossing over towards a higher efficiency 3-way

LOUDSPEAKER 18"PWB1000Fe 8 OH

Thanks
/Pontus

 

[Rademakers]

Beyma makes quality drivers and the 18pwb1000fe is a typical reflex driver aimed at 30 Hz performance. It does like a big cabinet though, so if space and size aren't an issue, it's a good choice even for the living room

 

[Pnotus]

Thanks Rademakers

I'm a bit worried regarding power requirements to get some slam since i use home audie amps only - we'll see if the Bryston SST2 will deliver

 

[kipman725]

Thanks Rademakers

I'm a bit worried regarding power requirements to get some slam since i use home audie amps only - we'll see if the Bryston SST2 will deliver

You will have to simulate your box to determine the actual sensitivity in the bass region, but taking it as a guess ~90dB/1W/1m your Bryston is rated for 300W which gives you 114.7 dB/1m not taking into account any room gain effects. This should be more than enough for music use in a domestic environment.

 

[Rademakers]

The sensitivity for the 18pwb1000fe is 93.8 dB/W/m, meaning it will be twice as loud as the typical 10 - 12" hi-fi speaker with the same input.

 

[meister_gue]

It is a very nice driver in a larger cabinet and will give you more than enough output on that amp

 

[Pnotus]

Thanks for the answers

It seems that the 18FH500 will be the option to go for after some thinking

Faital Pro 18FH500 - Högtalarelement med mycket låg vikt och effekttålighet på 1200 Watt - supersonic

Bit larger box but lighter cone on this one

 

[Crashpc]

Pnotus: If you mean Vas by bix size, that is not exactly how that works. It is just a parameter, not requirement. All these are fine speakers, but it is hard to recommend one without particular goals set. Kipman responded well regarding expected output. If you just want some fun and more bass, you can go with any of these speakers. These will do the job.

 

[Pnotus]

Crahpc - did a few simulations and the 18FH500 seems to need a bigger box than the 18pwb

 

[Crashpc]

Pnotus: It can show flatter response in the larger box volume, but it particularly does not need larger box. What I see more important in this case is displacement volume, sturdier cone and power handling/input capabilities. For these reasons, I would incline to the Beyma as better choice.

 

[Rademakers]

I like to look at the Qts x Vas product (or Qes x Vas) nowadays, the bigger the number the larger the preferred cabinet dimensions are (though by no means necessary). It's an arbitrary number that's 120 for the Beyma and 133 for the Faital Pro.

The Faital does have a lower Mmd, mainly because of the smaller voice coil (3" instead of 4") and the smaller Xmax. Check out the winding depth and gap depth to get the full story of the excursion capabilities of these drivers.

In my experience, if you're going to use up till say 300 - 500 W of amplifier power, you might be better off picking the Faital as the Beyma isn't going to show any benefits at that power. However if you're going for 500 - 1000 W or more and/ or some ridiculously low tuned cabinet the Beyma is going to shine and the Faital is going to get stressed out.

Best regards

 

[Crashpc]

I simmed both. It seems that if you push these and EQ to the mentioned power of 300W and excursion capabilities, the Beyma driver provides flatter FR and 2dB more on average between 10-35Hz, is even at about 50Hz with Faital and then loses 1.5dB at around 80Hz where it should be cut. So I still see the benefits with Beyma.