Hello,
For my two (or three) way speaker, I have search for a 12" driver with a sensibility of 95 dB / W / M for a boxe around 100L.
Actually my design is :
- Faital Pro 12PR320, 12" drivers : 0 to 500 Hz inside 110L
- Fostex FE208EZ : 500 Hz to 20 kHz with corrective RLC inside ~8L
I have "found" the Faital Pro 12PR320 drivers, release in 2017, so relatively new. Is there any one tried it ? did you know any review or test ?
Importants datas was for me :
- sensitivity
- Fs : 42 Hz
- Mmms (low mobile stuff) : 51.4 g
- Xmax : 7.37 mm
- Vas : 98.4 L
The link : FaitalPRO | LF Loudspeakers | 12PR320
And the response from the manufacturer :
For my two (or three) way speaker, I have search for a 12" driver with a sensibility of 95 dB / W / M for a boxe around 100L.
Actually my design is :
- Faital Pro 12PR320, 12" drivers : 0 to 500 Hz inside 110L
- Fostex FE208EZ : 500 Hz to 20 kHz with corrective RLC inside ~8L
I have "found" the Faital Pro 12PR320 drivers, release in 2017, so relatively new. Is there any one tried it ? did you know any review or test ?
Importants datas was for me :
- sensitivity
- Fs : 42 Hz
- Mmms (low mobile stuff) : 51.4 g
- Xmax : 7.37 mm
- Vas : 98.4 L
The link : FaitalPRO | LF Loudspeakers | 12PR320
And the response from the manufacturer :
Attachments
I have no experience with this driver.
But it simulates really well. I get -3db at 43hz and -5db at 29hz in 108 liters, 8 msec group delay at 40hz, should sound really nice and "tight".
110 liters you say? Did you try crunching the numbers?
What measurements/outer dimensions are you going for?
I would probably settle for somewhere around 200hz xo.
But it simulates really well. I get -3db at 43hz and -5db at 29hz in 108 liters, 8 msec group delay at 40hz, should sound really nice and "tight".
110 liters you say? Did you try crunching the numbers?
What measurements/outer dimensions are you going for?
I would probably settle for somewhere around 200hz xo.
Hello,
Thank you to have take the time 🙂
Indeed they are theoricaly pretty interesting 🙂
Whar did you mean by crushing the number ?
Thank you
Thank you to have take the time 🙂
Indeed they are theoricaly pretty interesting 🙂
Whar did you mean by crushing the number ?
Thank you
They are great!! I have them and the 15pr400 and both are of great build quality and have great sound. Extended response also helps with crossover design. Cant go wrong with these drivers!
gug42:
I meant: Have you tried simulating some enclosures for them yet?
Would you like to try and understand/learn it yourself, or do you want a finished design for them?
I meant: Have you tried simulating some enclosures for them yet?
Would you like to try and understand/learn it yourself, or do you want a finished design for them?
Hello,
@Mctavish : Thank you, great news 🙂
@KaffiMann : I'm in the process to learn thing. I have done some simulation, with the help on a local forum here. 94 or 108 L seems good. I have the event and the box sizing.
But .... I can have .... a pair of good old bass drivers WS 33 NG with the boxes for the price of one 12PR320 .... I think to start with thoses WS33NG and in a future build a boxes with 12PR320.
Regards,
@Mctavish : Thank you, great news 🙂
@KaffiMann : I'm in the process to learn thing. I have done some simulation, with the help on a local forum here. 94 or 108 L seems good. I have the event and the box sizing.
But .... I can have .... a pair of good old bass drivers WS 33 NG with the boxes for the price of one 12PR320 .... I think to start with thoses WS33NG and in a future build a boxes with 12PR320.
Regards,
the 2 drivers you picked are very different in character.
i love faital drivers, but in your case the 12" faital will not add much to the picture.
i would pick a 12" subwoofer driver under the fostex and cross much lower (~100hz).
if you insist on using a 12" proaudio driver, the only design that makes sense is this:
DTQWT-mkII
i love faital drivers, but in your case the 12" faital will not add much to the picture.
i would pick a 12" subwoofer driver under the fostex and cross much lower (~100hz).
if you insist on using a 12" proaudio driver, the only design that makes sense is this:
DTQWT-mkII
Hello,
Than you for reply 🙂
Please can you tell me more about the character ?
When you speak about tqwt, is it for the faital only ? Or both ?
And sorry I didn't see the relation between tqwt and pro drivers .... Can you enlight me please ?
Thank you
Than you for reply 🙂
Please can you tell me more about the character ?
When you speak about tqwt, is it for the faital only ? Or both ?
And sorry I didn't see the relation between tqwt and pro drivers .... Can you enlight me please ?
Thank you
Nothing wrong with combining the Fostex FE208EZ in a small sealed chamber with the Faital Pro 12PR320 in a larger TL/BR/TQWT solution. The Faital's higher sensitivity can provide some baffle step compensation if crossed higher, or just playing with different order xo slopes can get you there if going for 200hz xo. Combined with a smooth low end roll off it can make for a really nice sounding system.
You just keep on your track gug42, it is a very promising combination of drivers.
You just keep on your track gug42, it is a very promising combination of drivers.
The Faitals are amazing and sound so clean. This particular driver and the 15PR400 are some of my favourite. They produce an effortless hi end sound that very few others can! Go with what you originally intended, you wont be sorry!
your choice of mid and bass drivers both have the same Fs of 42hz
i'll say that and leave it there
in troels' dtqwt, 8" and 12" fire into the same horn; the benefit is that there is no high pass filter on the 8" (saves a lot of $$$ by avoiding the large expensive capacitor). you are not getting any bass from that 12" unless you build a tapped horn or tqwt.
i'll say that and leave it there
in troels' dtqwt, 8" and 12" fire into the same horn; the benefit is that there is no high pass filter on the 8" (saves a lot of $$$ by avoiding the large expensive capacitor). you are not getting any bass from that 12" unless you build a tapped horn or tqwt.
Not those but I use the 310s and I'm very happy. Nice punchy sound and good vocal tone. I get an honest 55hz low end at 96db.
Thank you ! great news 🙂 I'm must know think about the all thinh 😉
By the way any recommandation for the inside volumes, for the 12PR320 ?
By the way any recommandation for the inside volumes, for the 12PR320 ?
With a qts of .37 you can go as large as Vas. Run the numbers and build larger rather than smaller. You'll get bass typical of a 15 but in a box typical of a 15 too. It'll make a nice two way crossed at 1.2K-1.6K.
Ref: my first post, it looks really good in 108 liters, but here's a slightly smaller box at 101 liters in 2,83v/2pi:
I do not mind sharing the numbers, but thought you might like to fool around with simulations yourself first.
Note the slow roll off, I have found that I personally prefer this type of frequency response to completely flat to some point, it gives very good group delay and very smooth phase. Sounds like a closed box, but goes deeper.
I do not mind sharing the numbers, but thought you might like to fool around with simulations yourself first.
Note the slow roll off, I have found that I personally prefer this type of frequency response to completely flat to some point, it gives very good group delay and very smooth phase. Sounds like a closed box, but goes deeper.
Attachments
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Hello,
Evryone, thank you 🙂
@KaffiMann : you are right 🙂 thx
@scholl : Hum sorry for the dummiers question, what is a "typcial 15" volumes ?
Thank you in advance !
Evryone, thank you 🙂
@KaffiMann : you are right 🙂 thx
@scholl : Hum sorry for the dummiers question, what is a "typcial 15" volumes ?
Thank you in advance !
15" woofer. If you run the numbers on the 12pr3xx they model like some 15" woofers. Compare them to a JBL 2226h and see what you get.
Oh well, The doc speak about a 140L boxe !
The frequency response and the sensibility of the JBL seems to be a little better. There price is higher 😀
The frequency response and the sensibility of the JBL seems to be a little better. There price is higher 😀