Just a FYI - PE recently revised their advertised specifications on this driver - previously they had it rated at 7mm xmax - the revised amount shown on their site is now 5mm xmax
Yes...ive seen that.....tis a pity..but they still look intreasting..
in this Case they are Basically the Same as the Daliquist Blue Poly Cone woofers...with diffrent specs of course.
With only 5mm xmax, singly they don't model well as a sub - ok for a woofer.
If you go with multiples, ie: 4 or more, you can get reasonable LF extension - but IMHO for the same cost you could then just get better drivers more suited to sub designs
mhhhhh....well im not going for a Very High Output here....also the Apex Jr Super 8 has 4.9" mm Xmax...yet its still a Fairly Decent Sub...the Cone is 6.5" though...not 8"
i didnt buy the Driver for a HT Sub...but for music,for which it will be Perfectly Adequate.
i was going to go with the 7" DVC...it got sold out before i could get one...i think the Daliquist is better...lower FS and a Higher Excursion...5 Verses 3.5...
also consider im on a budget
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mhhhhh....well im not going for a Very High Output here.... i didnt buy the Driver for a HT Sub...but for music,for which it will be Perfectly Adequate.
I guess it all depends on definitions - lol, To me a sub starts about 80 to 100Hz and has lots of output at that level and then extends significantly downward with a F3 somewhere below 20Hz.
The Dahlquist is not particularly sensitive or efficient and combined with the relatively small active cone area limits the ouput level that you can achieve with a single driver. However it models resonably well as a moderate to low output music woofer in a .653 ft^3 vented EBS configuration with a 2.5” x 12.75” port. You do get reasonable output levels and a F3 of about 37Hz within the xmax limit of this driver as illustrated by the attached WinISD plot.
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All the Dahlquist drivers currently on sale have a nominal impedance of 12 ohms - one of the reasons I suggested that if you are going to use them, use them in multiples rather than singly.
opps....i did overlook that....
opps....i did overlook that....
HI,
FYI,Here is a suggestion using two drivers in parallel:
b
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I was considering those drivers. I got the 7" DVC instead. They call it a subwoofer but is definitely a midbass, a quite decent midbass at that, especially for $8 a piece. I got two of them for midbass duty for a three way component set in my car. I am interested to see how your drivers perform since I too was interested in them.
I was considering those drivers. I got the 7" DVC instead. They call it a subwoofer but is definitely a midbass, a quite decent midbass at that, especially for $8 a piece. I got two of them for midbass duty for a three way component set in my car. I am interested to see how your drivers perform since I too was interested in them.
The Daliquist 6.5" Subs are Intreasting They do have a Rather Large Magnet,and have Enough Excursion for a small Subwoofer..id Use Multiples if your Going for High Output...(that and since they are 12 Ohms)...im currently using one to replace the Driver in an Existing sony Sub.
Sorry to hear thatYes,and Unfortunately while installing it in an Enclosure my Screw Driver Slipped and Put a Nice Big Crack in the Cone.
Fortunately they are a reasonably inexpensive to replace
Sorry to hear that
Fortunately they are a reasonably inexpensive to replace
Unfortunately these have been sold out,so ill have to find another Replacement.
I've nearly done this a few times.
I've nearly put a phillips screwdriver through a rubber surround a couple of times. Now, I put my finger between the screw and the cone, so it won't slip that way.
i Think ill Use a Tangband 6 1/2 Neodymium Subwoofer as a Replacement..
thats more of a Proper Sub Anyway.
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