Take look at the avsforum. There is both a "Akabak for dummies thread" and a synergy horn in akabak thread in diy speaker sub forum.
That's great, I'll have to check that out. I have only just got the hang of the basics with Hornresp though, so it'll be quite a learning curve from here I think 
Hello,
I've noticed that some people are still interesting in finding midranges for the unity. I have added a number of drivers to the spreadsheet provided by John (Patrick Bateman) including one FaitalPro driver that was closest to the score obtained by Tom Danley midrange. Any idea how to upload it?
I've noticed that some people are still interesting in finding midranges for the unity. I have added a number of drivers to the spreadsheet provided by John (Patrick Bateman) including one FaitalPro driver that was closest to the score obtained by Tom Danley midrange. Any idea how to upload it?
@JLH
Hello, do you have any idea if akabak can also simulate an OS profile for the midrange part?
Thank you!
Hello, do you have any idea if akabak can also simulate an OS profile for the midrange part?
Thank you!
Akabak does not contain the OS profile, but there is nothing stopping you from approximating it using multiple concial sections.
Rgs, JLH
Rgs, JLH
That will most definitely work, and quite well. What are the details to ordering some? I would be in for 8 of those. Please let us know what you find out from the seller.
Rgs, JLH
Great, that would make things much easier!
Who else does want some of these?
I'll send them a request relating to ordering conditions to europe and will let you know asap...
Who else does want some of these?
I'll send them a request relating to ordering conditions to europe and will let you know asap...
wtf, here is the reply I got from FDB Audio referring to the conditions to order:
...I embraced something like that.
...I embraced something like that.
Why are two peaks in the impendance curve of this driver? Any ideas?
Also, 4 USD / piece, that's crazy..
Also, 4 USD / piece, that's crazy..
Because you have to take two impedance measurements to calculate the TSPs, one with the driver and the second with the driver including an additional mass on the cone...
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That is actually pretty normal for factory direct goods from China. I have dealt with some optics suppliers that would allow the purchase of one or two individual items that were common runs, but they jack the shipping up into the outrageous level. $80 shipping on a $3 part.
it would take 20 drivers for a 5.1 system... plus a few backups....so 25x4... $100. Double that for shipping and a small part to go for whoever handles a group buy... $200. seems acceptable. $40 a channel to cover 300 to 1.2k, low distortion, high max spl. Phase accurate.
I'm in NYC... If those are close to the numbers I could handle the group buy.
I'm in NYC... If those are close to the numbers I could handle the group buy.
I'd be going after a 7.1 system, so I'll change the number of drivers to 36. I'll need 28 plus an additional 8 for spares. I think we could get to 200 drivers pretty easy. How would we split out shipping?
Rgs, JLH
Rgs, JLH
JLH,
I take it that this "I'm still trying to find a work around for the Celestion TF0410MR 4" sealed back mid. I might have found a company that can order them in the standard multi-pack of 12 pieces per container." went bust.
What was the final hang up?
I take it that this "I'm still trying to find a work around for the Celestion TF0410MR 4" sealed back mid. I might have found a company that can order them in the standard multi-pack of 12 pieces per container." went bust.
What was the final hang up?
I don't know why JLH finally decided to use something else than the Celestion TF0410MR, but I want to attach you the reply I received from Celestion after requiring the TSPs for their 4" and 5" sealed back midrange drivers:
One dealer from germany gave the following reply:
gzg
One dealer from germany gave the following reply:
gzg
Shipping is whatever is fair... but I think $8 a driver would be the china to your US door estimate as long as you meet a minimum say 20 driver threshold.
Now heres the rub... what makes us think that the fbt audio has good qc? can we see some pics of their qc setup... returns and cherry picking would drive the price up quickly.