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Old 19th February 2018, 03:08 PM   #1
sailormanbigd is offline sailormanbigd  United States
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Talking There can only be one!

Asking for personal opinion. My GF has put her foot down, and pointed finger, NO MORE SPEAKERS! BUt, But honey, they are for grandkids!? I build for them and one extra for me or to compare designs. SO, I want to build one more, full range for desktop computer.
I listen to all genre, play them too loud -according to GF, I listen more to classic Jazz vocals, blues, classic rock, and new pop sound (to keep up with the grand kids).

if you could only have one pair, which would you choose and why? Cost less than $200 for drivers pair, preferably less than $100. Especially if the extra $ only gets minimum improvements.

If had read in-nauseum about all the full rangers in 3"-4" size and am leaning toward the Alpair 7.3 or the pluvial 7, not stuck on MA drivers though, just seams to be good press.
I have built many different speaker designs, Zaph best full range with hivi b3 both round and square, bargain mini with mcm4" and tweeter, his commercial 5" woofer center and two of the WT smalls for the mains, Paul Carmody's amiga in small bookshelf size, and many others.

I would like to for amazing soundstage, dispersion, separation of instruments, clear non shouty vocals and horns, tight as possible bass.

I will drive them with either tda7498 or lm1875 amps from china, and computer as source. I would prefer small size and elevated to ear height so mini towers probly, golden ratio is considered but taller and not so wide if that is possible.

So what would you build for the last and final project? (for the grandkids tho)

one last thing, I prefer tight bass to bloated boomy bass, I am building two 8" subs with dvc Daytons-one is trisca with 2 pr, one is single sealed for comparison (probably mine) to do the bass, tight! thanks-remember this is your last build and I do want your opinion
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Old 19th February 2018, 03:29 PM   #2
talaerts is offline talaerts  Belgium
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I find the Fostex FF125WK in the simple and not too big factory bass reflex cabinet nice and pleasant sounding, would be a good choice. Or perhaps the ff105wk which has a bit more air in the treble though I prefer the fuller body of the 125.
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Old 19th February 2018, 03:38 PM   #3
sailormanbigd is offline sailormanbigd  United States
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I prefer airy highs to a more fuller sound to a point. Don't want simblant sound, or shouty especially in the 2k-3.5k region! actually hurts my ears! that hivi was that way without zaphs filter.

1) for fostex FF125 or FF105wk in Big factory br. I prefer smaller tha better tho, current prices good $62.50, $54.70 ea from Madisound
thanks

Last edited by sailormanbigd; 19th February 2018 at 03:44 PM. Reason: add cost of drivers
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Old 19th February 2018, 08:02 PM   #4
xrk971 is offline xrk971  United States
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0.53x mini Karlsonator with dual 3FE25-16 wired in parallel. Great soundstage. 97dB sensitivity and $38 in drivers per speaker.

Mini Karlsonator (0.53X) with Dual TC9FD's
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Old 19th February 2018, 08:28 PM   #5
PJN is offline PJN  United States
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I recently used a MA Pluvia 7 in a Cornu horn and was pretty impressed how nice it sounded for the money. Nice mids and highs, surprisingly good detail. It would probably sound great in a nice box. Planet 10(Dave) and others have lots of experience in this realm and can offer valuable guidance.
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Old 19th February 2018, 08:44 PM   #6
planet10 is offline planet10  Canada
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There can only be one!
Quote:
Originally Posted by sailormanbigd View Post
...and am leaning toward the Alpair 7.3 or the pluvial 7...
That was what i was thinking of recommending before i got to your sentence quoted above.

I really like the new Pluvia as it is very much voiced to be similar to the Alpair 7.3 (my favorite). The Alpair has better DDR (Downward Dynamic Range/ie ability to reproduce small detail if on the source) but you need to have sufficiently good stuff in front (DAC/amp) to realize the difference, and the source material. The P7 has more bass potential (ie can go lower), and has a tougher cone (less suseptible to grandchild fingers). Nearfield the bass might not be as important.

Both fit into a 4.7 litre miniOnken (millSize box), optimum for the A7.3 is 9 litres (a narrow/deep CGR might fit on your desk), the P7 is optimum in 13 litres (it will fit into a 9 litre CGR, and the 13 litre CGR might be the same story).

dave
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Old 19th February 2018, 08:59 PM   #7
planet10 is offline planet10  Canada
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There can only be one!
The thread title reminded me of this when i 1st saw it…

Click the image to open in full size.
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Old 19th February 2018, 09:20 PM   #8
sailormanbigd is offline sailormanbigd  United States
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Default heard alot about them

Quote:
Originally Posted by xrk971 View Post
0.53x mini Karlsonator with dual 3FE25-16 wired in parallel. Great soundstage. 97dB sensitivity and $38 in drivers per speaker.

Mini Karlsonator (0.53X) with Dual TC9FD's
Hi X, I haave read quite a bunch of your post regarding foam core and the .xx karlsonators et al. SO, I bought some 10 boards and built several foam core designs, including a very small karlsonator. I found that they vibrated all over-once vibrated off my work bench! I didn't hear solid bass from them. It would improve if I pressed something stiff against the sides. I then set it on the garage floor and stood back some 10 feet and the karsonator did have a very different sound than conventional speakers I had built-but I thought it sounded weird? I can't describe it but like it had an echo or something? Like if you sing into a empty hard faced room? Might have been floor bounce, or reverberation from box vibration? I can't remember the very small driver I tried it with but I scraped it-probably too soon without trying to mess with it more tho? I did build a small corona horn about 13 inches square if I remember? Even bought some cheap used computer speakers for the 2" drivers. THat was very pleasing sound and produced some many smiles from me! I put them with a lunch money amp and my young grandson has them hanging in his bedroom. I covered them in some polar fleece sports cloth. Amazing how much the corona got out of those diminutive drivers-even mellow bass! Maybe if the karlsonators where made from more rigid material it might change? It was very cool to be able to mock-up from foam board in a few hours but I don't think it really was a good representation of some of the designs I tried it on? FH3 was one of them I think? it was a few years ago? thanks very much for the idea. so if you had just one that you could build for the rest of your life for this computer application it would be as you suggested- 2x 3FE25-16 in a 0.53x Karlsonator ? interesting
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Old 19th February 2018, 09:37 PM   #9
sailormanbigd is offline sailormanbigd  United States
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Default I love your side ported fonken designs

Quote:
Originally Posted by planet10 View Post
That was what i was thinking of recommending before i got to your sentence quoted above.

I really like the new Pluvia as it is very much voiced to be similar to the Alpair 7.3 (my favorite). The Alpair has better DDR (Downward Dynamic Range/ie ability to reproduce small detail if on the source) but you need to have sufficiently good stuff in front (DAC/amp) to realize the difference, and the source material. The P7 has more bass potential (ie can go lower), and has a tougher cone (less suseptible to grandchild fingers). Nearfield the bass might not be as important.

Both fit into a 4.7 litre miniOnken (millSize box), optimum for the A7.3 is 9 litres (a narrow/deep CGR might fit on your desk), the P7 is optimum in 13 litres (it will fit into a 9 litre CGR, and the 13 litre CGR might be the same story).

dave
Thanks for stepping in David. It is your posts all over the internet that have me almost ready to pull trigger on this. I have questions tho if I may?
when you say "optimum" for a given driver, what is your criteria for optimum? It seams the opti is quite bigger than what they will "work" in. My experience is that excursion limits are a big problem with these small fr drivers. If you go bigger- then they can play lower but don't you run out of xmax sooner as well? So they distort earlier at lesser volume than a smaller box and/or even a sealed alignment? Or, does opti mean that the complete sound of the driver improves not just the bass? Sort of everything smoothed out and synergistic? Would I need lowest f3 if using a subwoofer? Does it help with integration? I don't like it when I can tell the bass is coming from subwoofer, I think it is magic when the small mains sound as if they are playing all the spectrum! I like it even better when I can't localized any of the speakers and sound is out in front of me between the speakers-but seldom have I been so lucky to hear it! SO same question with you---your last build forever and ever under $200? THe Alpair 7.3 in a Fonken?
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Old 19th February 2018, 09:42 PM   #10
sailormanbigd is offline sailormanbigd  United States
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sorry to be so hard assed about this but my GF is serious! SHe has threatened to throw everything out-including me! I have a chance to slip in one more build, just one last one..............that's why I am having such a hard time deciding, so hard! Quality is the thing for me, I have tasted true hifi when I bought and heard a $70 IEM from soundmagic! now I have to hit it on the head with this last build.
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