[PLAN] Horn Sub F218 MK2 SUBWOOFER 

Really good!! More one good plan , THX Mr Flexy Smps!!!!

hey there, how do you install the speaker ? the magnet is on the side our in the middle ? thanks

Dope

Does the woofer magnet protrude inward or outward?

What driver is is recommended? Eminence Omega Pro-18C will work?

what is the speaker with this cab ?

do you have plan for dual 15"? thank you sir.

If you load these up fane Colossus XB 1500w drivers they absolutely fucking bang!! . Best 1man bass bin I ever owned

Mr.Flexy you have F115 model of these f1?

what db is the box rated at?

amazing! any idea of the f221 model plan?

have you built this box?

Do u have plan single 18 for this?

Have you got the 21" version ?

Is there a magnet inside?

Link to plan?

What 21" subwoofer is recommended for the funktion f221?pls

Riquest box MBP46 bos

FUNKTION ONE F221

untuk speaker menghadap kemana

Is the front load of the speaker placed on the enclosed or pavilion side?

bro, all the mid high models are funktion one ... because I'm looking for it never got, thank you

hi, could you give me the measure that is missing between bar 500 and bar 326? Thank

21 inch box f1 schematic

Hard punch ??

podrías pasar los planos? en pdf?

Seems like a dual 4th order bandpass.

Is it 12mm Material?

American here, currently making a sae version. 🤷 really annoying how our government made this shit up due solely to their egos.

Inch for the drivers?

this one cla not function one

Without knowing the speaker that goes into this design these values are completely useless. Speaker and the certain box of certain size creates a pair that goes good together. Thiele-Small parameters for this double scoop is minimum to make all this somewhat usable.