Seas FA22RCZ full range project

[nicoch58]

http://www.diyaudio.com/forums/pass-labs/148620-papa-watts-next-8.html#post2353494

 

[nikko03]

Hi,

I'd suggest starting off with a 90L floorstander as outlined above
and filling the bottom third or so of each cabinet with sand for
checking out the sealed alignment, vented would then be easy.

rgds, sreten.

A very good suggestion i will try this.
i started out whit a 60L closed because i had this lying around from a previous prosject.
I must say i sounds very good already real nice vokal and nice bass respons
it is a real promising driver in the right enclosure.
it has a sweet sound that makes me wanna listen to my entire record collection

 

[nikko03]

http://www.diyaudio.com/forums/pass-labs/148620-papa-watts-next-8.html#post2353494

Nice thanx for the link. Interesting to see some measurement for this driver.
I feel there is many roads to rome, an i am not shure where i end up.
But i am shure it's gonna sound great after what i have heard tonight.

 

[nicoch58]

FR , the way is right !

my suggestion is to try the openbaffle , a lot better placement of voice , like is there ,dipole emission is like surround....

I have a supravox 215 S BIC in OB 65cmx110cm very similar

 

[Melon Head]

Don't give away all our secrets

 

[nicoch58]

 

[nikko03]

Just let all the secrets come my way. I will not tell them to anyone

 

[nikko03]

Eariler today i got my hands on a 92L net volum bassreflex enclosure
tuned to 32hz. I know it should be 28hz but it has a built in port so it's a bit harder to change it.
I will come back with a report as soon as i have listened to it for a while.
And write some word on the differences between the two enclosures

 

[sreten]

Hi,

32Hz is very ballpark and 28Hz was only a personal suggestion.

FWIW you can experimentally detune ports by lining the port walls
with thin porous foam, I do (well did) this a lot for room matching.

rgds, sreten.

 

[rjbond3rd]

Hi sreten,

Can you explain the room matching? Is it to avoid exacerbating a room mode? Is there a way (afterwards) to confirm / validate the results, e.g. with test tones perhaps?

 

[nikko03]

Hi,

32Hz is very ballpark and 28Hz was only a personal suggestion.

FWIW you can experimentally detune ports by lining the port walls
with thin porous foam, I do (well did) this a lot for room matching.

rgds, sreten.

Good idea i will try to tune it tomorrow

 

[nikko03]

Today the loudspeaker has made some noise in a 90L bass reflex enclosure.
It has a sweet tone to it a nice clarity and very nice and precise sound stage.
I would personaly like to get more live sound in the bass region. So i guess a horn construction is more my cup of tea. but other than that it's a great loudspeaker.

 

[nicoch58]

need inspiration ? OBL11

can be sufficent the live sound of DeltaLite II 2515 ?

 

[nikko03]

I always appreciate new inspiration so thanx for the momemt i will play around a bit
with the bass reflex enclosure and try some port tuning and damping. so i can make up my mind on the pros and cons of that construction

 

[nicoch58]

what difference on bass br vs closed ?

 

[nikko03]

what difference on bass br vs closed ?

in a closed box the bass respons get a little weak for my taste. so too compensate for that you would have to dampen the speaker as shown in the seas app notes.
but when i did that i lost some of the live feeling.
in the bass reflex box the bass got better and fuller but i feel it is more to this driver so my search goes on

 

[Haavard]

I will contact you as soon as possible when I have got information from our man in Hungary. Maybe he one day will post something in this thread.

But we need pictures Nikko03.
Maybe I should make a thread around the Impulse H6 project also?

Håvard

 

[Melon Head]

Thanks for the link nicoch46. (I had not seen that one before)
Is that guy a diyaudio member?

 

[nikko03]

I will contact you as soon as possible when I have got information from our man in Hungary. Maybe he one day will post something in this thread.

But we need pictures Nikko03.
Maybe I should make a thread around the Impulse H6 project also?

Håvard

Pictures will come as soon as i have something more than a test box
And i definitly think you should start a thread around the Impulse H6 project.
It's a outstanding speaker with an astonishing performance level

 

[Gladiator33]

Seas - Lowther?

Hi, How about this SEAS fullrange instead of Lowther PM7 in Acousta 115 New- backloaded horn?