What beats the Dayton TCP 115 in a 4L to 5L box?

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Drjay

Member
Joined 2016
#1
The Dayton TCP 115 (Dayton Audio TCP115-4 4" Treated Paper Cone Midbass Woofer 4 Ohm) is a driver which has an F3 of 48Hz and a maximun SPL of 95db in a 4.4L cabinet.
When paired with a decent tweeter and crossed over around 2500Hz it produces what to my ears is the best overall sound I have heard from such a small cabinet. The Duane Brown Dayton 4, which uses this driver and the Dayton ND16 tweeter, has been built by several U.S. DIYers and has been given uniformly positive reviews.
So, what I'm wondering is if this more international group is aware of any two way speaker of 4.5L or less which sounds good and can equal the F3 and maximum SPL of this dirt cheap little driver? Note that with an additional couple of liters of cabinet volume, there are drivers that can best it, but that I am setting 5L gross volume as the biggest I want to build.
Of drivers I've owned and tested, the HiVi B4 N, the Dayton ND105, the Techtonic Elements BM65C, the Tang Band W4 1720 and Aura NS 3 are contenders, but can't beat it.
I love small speakers and I love small speakers that amaze with low F3s and high SPL. It just seems to me that there must be a way to better the tiny Dayton 4's giant killer performance. Then again, maybe not without going to 6L or more.
Your experience and inputs would be greatly appreciated.
Best,
Jay
 
#4
When I modeled the Faital 5 fe120 using WINisd in a 5L cabinet, the maximum SPL was great at 100db. The problem is that the best F3 I could get was 60Hz. It looks like a very nice driver and will have an F3 of 48Hz, like the TCP115, in a 10L cabinet, it just isn't very happy in the cabinet size I am shooting for.
 
#11
If you can go a bit larger in driver size and box size, the Ciare HWB130 and HWG130 have some pretty interesting low end characteristics for small woofers. I bought an HWG130 for a project and build quality of the driver is impressive
 
#12
That is what the driver models at in WiNisd, using the actual parameters I measured. It is also what a number of listeners have said it sounded like to them. I don't have the capability to measure low frequencies, so I can't verify the in cabinet response.
Another driver that was suggested is the Peerless SDS 830855 which models an F3 of 52 (and has an Fs of 63) in a 4.5L box with a tuning frequency of 57Hz. I am still a beginner, but it seems that a number of woofers are capable of good output somewhat below their published Fs, although most are not.
 
#13
A dayton audio rs100 can do 65hz and with a 90hz Fs. Even more if put in a pipe with an offset stub at exit to accumulate nothing during basic operation but sit in the pipe harmonic pressure node are, with some stepped reduction in the pipe from the other end, as 3 parts folded.


But Thats only the beginning. Thats just a simple ‘full range’ candidate (not really pushing the envelope?). A hivi B4n will stretch out fierce in similar inverted pipe shapes (voight) with a mass loaded port ?
 
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