Fostex's new Fe103 Sol 8 50th anniversary Drivers?

[planet10]

The Fostex recommended enclosure from the spec sheet of 6.6L tuned to 73Hz dimensionally works for me size wise.

(for the 8 ohm driver)

Unlike many Fostex recommended boxes that isn't too bad. 5.7 at 78 looks better if you use a round vent.

Should work fine in a standard millSize box…. that might well be where ours end up

dave

 

[planet10]

6.6L looks better to me.

smaller boxlooks better to me… with BS droop the larger box is going to start getting a bit lite in the bottom.

dave

 

[zman01]

Dave,

I meant that the 6.6 litre design looks better than the 3.6L one, which has a bit of a hump.

bs has not posted any 5.7L sim with 78 Hz tuning yet.

bs,

Can you give that one a try?

 

[bs]

Many thanks, I appreciate the help.

Please find attached plot with 5.7 @ 78Hz added in blue.

 

[planet10]

I meant that the 6.6 litre design looks better than the 3.6L one, which has a bit of a hump.

Yes, i know that. The 3.6 L sim looks better than the 6.6. With a small speaker I'd rather have a tiny bump than a roll off that starts too high.

dave

 

[bs]

Yes, i know that. The 3.6 L sim looks better than the 6.6. With a small speaker I'd rather have a tiny bump than a roll off that starts too high.

dave

Thanks . I am relatively new to this all so I very much appreciate the thoughts.

The 5.7L as you suggested certainly seems flatter without the early roll off of the larger 6.6L cabinet. Which do you prefer the 5.7 or the 3.6L?

What are your thoughts about rear porting if the cabinet is close to the wall?
Reading some other threads I picked up on some suggestions that this can help a small box.

 

[planet10]

With a round vent (not something i'd personally use) the 5.7 litre box. With the high ratio vents i use (they add an R to the vent) something a bit smaller that models with a slighly bigger bump, but the R knocks the bump down with the added benefit of greater tolerance to dynamic T/S changes.

Given that it fits into themillSize box we already have, i'd make it work in that.

dave

 

[bs]

With a round vent (not something i'd personally use) the 5.7 litre box. With the high ratio vents i use (they add an R to the vent) something a bit smaller that models with a slighly bigger bump, but the R knocks the bump down with the added benefit of greater tolerance to dynamic T/S changes.

Given that it fits into themillSize box we already have, i'd make it work in that.

dave

High Tayio Vents? Like on the milleSize?

 

[zman01]

High Tayio Vents? Like on the milleSize?

I think what Dave meant was high "ratio" - like the slot vents P10 uses in his Mar-Ken designs (which are good btw)

 

[chrisb]

yes, one always needs to have their enigma decoder handy when reading Dave's posts - I've watched him typing, and between multitasking, bad lighting and a rambunctious lap dog, to name just a few distractions, it's amazing how many of them are reasonably lucid

 

[zman01]

P10 uses in his Mar-Ken designs

Sorry - it should be P10 Mini Onken... IIRC there are cabinets for Fostex, Tangband, and recently a Scan Speak driver.

 

[chrisb]

Zia - the high ratio slot port will be a common feature on almost all of Dave's vented designs, including MLTLs - except of course for the horns

 

[xrk971]

Would an Onken be advised as best sounding box for a FF105WK?

 

[Greg B]

I've 'heard' they are excellent in a Metronome.

 

[planet10]

High Tayio Vents? Like on the milleSize?

And i never took typing. You will note on yout keyboatd that T is next to R and Y is next to T.

Here are plans.

http://frugal-phile.com/boxlib/P10free/mFonkenSOL-0v8-090615.pdf

dave

 

[chrisb]

Would an Onken be advised as best sounding box for a FF105WK?

the "best" I've heard them in so far would be the Woden Vampyr; for a smaller "desk-top" size, I think the Falcon extends a bit deeper than a milli - but at the cost of a bit more size

edit: I should add that I'm not sure if "we" have tried them yet in the FH3 -it's hard to remember them all without a dance-card, but the 103SOL is happy there, I'd be surprised if the 105WK wasn't also

 

[planet10]

I think the Falcon extends a bit deeper than a milli - but at the cost of a bit more size

And perhaps some finesse. Given that we have yet to build and listen to a set that is just a guess.

There is a trapezoidal miniOnken in the works….

Note: a miniOnken is not by the official definition an Onken. Just the high ratio side vents.

dave

 

[planet10]

Woden Vampyr

The SOL will work in Vampyr-V

Falcon

dave

 

[Cal Weldon]

Sexy legs there Chris. You should take your shirt off like the big boys.

 

[chrisb]

Cal - not gonna happen - I have no delusions of qualifying for that particular club