My first Dipole Subwoofer!!!

[JOE DIRT®]

Chops great Job on everything....a little loud for me..LOL....a intriguing thing that I have found in alot of posts (away from the topic)..is that I find americans using particle board and not MDF for speaker construction....some even call it that....am I misconcepted>???

[chops]

Yeah, it seems as if their site kinda sucks when it comes to getting information on their drivers. Parts Express is where I first saw them also. I'm guessing for the money, you can't go wrong.

Considering what I'm using right now and how good it sounds, these have to be a better way to go for more low bass and SPL.

[chops]

Originally posted by JOE DIRT®
Chops great Job on everything....a little loud for me..LOL....a intriguing thing that I have found in alot of posts (away from the topic)..is that I find americans using particle board and not MDF for speaker construction....some even call it that....am I misconcepted>???

I only used particle board because it's what I had sitting around and didn't want to blow a lot of money on something that was going to sound like junk. Not to mention that great top and bottom piece from an old entertainment center.

On my quad 15" dipoles, I will be using real 1" MDF board if I can find any, if not, 3/4" will have to do. Besides, there will be very little, if any stress on the enclosure since the whole thing is open on both sides, so I don't think thickness will be a big concern.

[chops]

I just ordered the four 15" this morning! They will probably be here within a week or so. Once they get here, I'll be getting the MDF and start doing some measuring.

I'll be taking a lot of pics too!

[JOE DIRT®]

Great!!!!....cant wait to see it done....I`m serious about building something also....let us know how it works out


Cheers!!The DIRT®

[dwk123]

Cool - I was actually just going to post asking what your time frame was.

Your timing on this is great. I'd just started re-working my Carver 60" ribbon baffles to add a set of 7" woofers (stryke sa071) to handle ~60-300. I have two NHT 1259's that I didn't really know what to do with, as the sealed cabs won't fit in my room with the new ribbon baffles. Trying them as dipoles was attractive, but as SL points out on his site the 1259 has too much 'chuffing' noise to be a great dipole woofer - it limits Xmax to about 6mm, or the same as the Pyles. (assuming the pyle is one-way xmax, which it should be)

So, my plan is to throw the 1259's into an H-frame (alredy done, except for driver cut-outs) as a trial. Assuming I like it, I can either:
- get two more 1259's (~$300)
- ditch the 1259's and get Adire DPL12 (~300 for 2)
- see how you like the Pyles (<$200 for 4)

I'm very interested in seeing how your project goes.

[chops]

I am very interested in seeing how this project turns out also. I am hoping that I will still get the punchy, tight, extremely low bass that my sealed 15" is giving me now, even at high volumes.

However, I am not sure if I should go with the Phoenix design or the "H" frame design. There really isn't a whole lot of information on which will reproduce a better sound. If anyone has any thoughts about this, please let me know!

Right now I'm listening to Sarah McLachlan's Mirrorball album. If anyone know how this cd sounds, then you know what kind of bass I'm looking to get out of the dipoles, if that's possible. Plus I listen to a lot of pipe organ music, (imagine that...), orchestra, jazz, etc... If these dipole subs are capable of doing all of that, I'll be extremely happy to say the least.

If anyone has any experience with dipole subs, please share your experiences with me. I would like to hear what other folks have to say about them.

[lawriebuck]

I have heard a phoenix sub at Ozaudio's house.

I only heard it on one occasion, but it was one of the best I have heard.

The strengths: very natural sound, very transparent. It was the first sub I ever heard that could integrate perfectly with the main speakers. Fantastic timing, bass wasn't 3 days late like some I have heard.

The weaknesses: difficult to get very high SPL's, difficult to get very deep extension (unless you use eq, etc) but SPL and extension were adequate in the environment I heard them in...

Maybe if you like "punchy" bass, the open baffle style is not for you, but I have always associated "punchy" with "boxy".

Maybe you could PM Ozaudio and ask him more, he is a nice bloke.

[sfdoddsy]

I have two H-frame sub sections in my speakers. The bass is excellent, with the only negative being lack of extreme SPL at very low frequencies. I think I'll end up using a monopole sub below 40Hz or so.

Steve

[chops]

Originally posted by sfdoddsy
I have two H-frame sub sections in my speakers. The bass is excellent, with the only negative being lack of extreme SPL at very low frequencies. I think I'll end up using a monopole sub below 40Hz or so.

Steve

You know, I think you are about the fourth person I heard saying that they want to add a normal sealed sub into their system to "beef up" the bottom end of the dipoles.

Are they really that lacking on the bottom end? Will building an H-frame be better than building a Pheonix? Will the fact that I will be using four 15" drivers make a difference on the bottom end than most people using the typical 12" Peerless drivers?

These are some of the questions I would like to have answered. If viewing the specs will help out with the answers, here's the link to PartsExpress' site with the drivers.....



Parts Express ---- Pyle Pro PPA15 driver....