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I've been looking at FDM machines for a while now. 1000x1000x1000 is the goal. There are some diy machine plans out there that can result in good prints for less that $3,000. Otherwise, $10,000 is the price of admission for a production quality kit/machine. A good used ford cab tractor with an added roof or window ac/heat unit should cost about the same. It will need a lot of restoration effort. The FDM machine would help with parts. I'm also looking for a non rusted 1968 (67 - 71 period) ford truck body. Again, the 3d printer would help with parts. Something tells me there will be a lot of random stuff arriving over the winter. Not buying finished speakers anymore. Kef will do for sitting in front of a monitor while shopping. You fine folks taught me way too much about how not to spend money while hobbying. Will update when something is being made. Making soothes the soul. Peace

I've been looking at 3d printers for a few hours. Large format has come a long way since I did any research. You can print in copper these days too. Need to figure out if either a tractor with cab and attachments are really what I want or if making would keep me satisfied. I miss Tinkermill in Colorado. They would literally teach the know how and help you build a rocket. Didn't get to sink my teeth in after joining. Will keep researching.

Some things happen for a reason I guess. Lean-business.co.uk has sold out of the handmade horn. Definitely need to relax my mind with a challenge and make the best use of my dollar. I'm about to ask for a lot of help. Can somebody please post a list of recommended equipment needed to make horns. Example: What type of table saw works best? What other tools would be a best purchase? I'm pretty good with fixing stuff and will figure this out. Not afraid to try. Thank you

The K402 is hard to find used. Hoping the Celestion designed unit will equal what the graph shows. Thank you

Amp ideas from the google machine... http://www.pmillett.com/300B_FB_amp.html http://www.audiodesignguide.com/SE300B/index.html

Ran across this while doing research. If I can build this horn... https://userweb.117.ne.jp/y-s/F280A-e.html Any thoughts?

Thanks for the link to those instructions for the horn spreadsheet and project build. That was some very good reading. I may have blinked 3 times while going through it all. The info will be put to use eventually. Did some googling for saws and other tools to make it happen. My metabo gear won't cut it. Might just take some nausea medicine while saving up for the new components and skip the work for now. The new Jubilee is the reason why I chose the driver. Hope, Arkansas is an hour away from me. My local Klipsch dealer has some old stuff that is very interesting. I've only been able to find new K402's as of today. $2500 for paired horns, drivers and stands. No bare lens option without serial numbers from a pair of Jubilee's. Big Red Horn (black) from Celestion as a pair is about the same price. Used for half price will be hard to find I'm guessing. Flea power for the horns is the plan for home use. First Watt F7/8 looks nice. Bottlehead too. A headphone amp maybe to not spend a lot of money? I really do need less than a watt. 370 to 400hz cutoff will be tried after the appreciated recommendation. Outdoors? Whatever doesn't make me deaf. 600hz and up.

I have been looking for something that can minimize crossover complexity for my first speaker build. It has to be a 2 way. There are some good compression drivers that go down to 500hz and maybe a little lower. The TAD TD-4002 is too expensive to play with. The Celestion Axi2050 can hit 225 to 300hz with a little harmonic distortion for a third of the price. I don't know where I will find a K402 horn set. Patience will hopefully pay off. My Aurasound NS18's are sitting a few feet away; they will take care of the bottom end. Patience worked while looking for them. I've seen a few mentions on this forum for the K402's. Any chance somebody can help me find a set? I'm thinking this setup will do better than the JBL M2 system I have wanted. I'll try an Acoustic Elegance bottom end as well. I plan on learning the hard way. Reference: https://community.klipsch.com/index.php?/topic/199267-celestion-axi2050-2-compression-driver-on-k-402-horn-and-jubilee-bass-bin/ Sorry Ricci...just noticed you already did what I finally discovered. Maybe that is a good thing. Lol.

Nope. Ricci mentioned the M-Force catching on fire thing a while ago. It would have to be limited...which is crazy and cheats any customer. AND - IPALmod has a lot of noise to deal with. Not wasting my self education on that. I want a hotrodded updated version of the Aurasound drivers that I have in a larger size. Adire Audio has an 18" named Kal with 30+mm of xmax. The xbl2 motor is attractive given TC Sounds' reputation. McCauley has an 18' that I like - Vas is through the roof. Acoustic Elegance's TDH18+ Apollo is nice. Problem is, I already have the Aurasounds in 18' and they can stand with everything I just listed for hifi sweetspot needs. I'm honestly bored with hifi after being spoiled by KEF and can go without subwoofers in that setting. I now have 3 functional NS18's that will be stored indefinately to pass on to my kids if that happens. Ripole from time to time maybe. I want to step up to PA/Sound reinforcement as a hobby now. Another hobby of mine is painting. I figured out how to buy the best SataJet for prices of entry level SataJets in the same range sold in America. Full warranty. This equals a paint job with zero color sanding and minimal overspray plus my big smile while looking at the gun. I need the same in a speaker driver. I will pay for what I want. Two Harbottle Audio Ve 24's? $9,000 to $10,000? Underhung, low inductance, lower fs, high power handling without a roomsize Vas? Make it happen with a clamshell to cut Vas in half and you get my deposit. Compare to Danley Sound Labs cinema THsub with 2 21' B&C's @ $10,000. M-Force at 16hz is a mistake. Powersoft can and should do better.

M-Force/IPAL is a hobbyist's dream. The tech involved makes you smile for a while. Then reality sets in. I would feel bad if someone wanted to rent the thng for $200 a day from me. I like McLaren's. But would rather have an old Panterra on steroids. If I'm going all out - give me the new Panterra and the pricing is understood. Powersoft can do better and charge more. Until then...Canada has some nice stuff to plan around.

Something with very low inductance and a lowish fs would work well. Light and stiff with just enough strength. Used from 50hz up to where your mains can effortlessly take over. In a high efficiency 21", that is special order if you want to stay sealed and small. You came to the right place.

Not hard to build https://www.audiocircle.com/index.php?topic=92003.0

The 24's from Harbottle Audio that are being discussed in other threads just might help ripole get more attention. Ve series would be the perfect route. 32 inch subs would make them popular for sure. Efficiency for home use would not be a problem. Small intimate spaces would enjoy them too.

Thank you for the time and effort over those 10 years. Still kinda struggling with the reality of complex induction and oem vs consumer availability for drivers. I want deep and clean. HT/Music/Automotive/Nature sounds for sleep. Will eventually reach out to Harbottle Audio for something underhung and nasty. Data-bass helped me understand why that is hard to find in the consumer market. Also understand why the price is north of what can be bought in a couple of mouse clicks.

Ripole is the term I learned for this set up. Ripole brought me to databass. Was looking for 18 inch drivers that would give the best result for my tastes in hi fi. Pandemic killed all the new ideas this website gave me for anything outside of hi fi. The drivers I collected are stored face down and acting as furniture a few feet away from me waiting on 1 more. You found a pot of gold. Enjoy it like it is or upgrade the drivers. Build another 1 or 3 and be done for life.