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Old 30th November 2016, 11:46 AM   #1
killmister is offline killmister  France
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Default Need help to choose a new driver

Hi !

I listen to fostex for 20 years and I shall like trying an other brand .I have never had the opportunity to listen to something else except for two or three disappointing tries with Monacor .
I have difficulty in choosing between Markaudio, TangBand, ScansPeak etc .The choice is enormous !
I look for a FR between 10 and 13 cm size. I shall like that it is usable in one of the following enclosure (actual driver) : Bib (fe108ez/ff125), Suzy Chang (fe103sol), 13 L BassReflex tuned at 55 HZ (ff125wk).
My budget is limited to approximately 150 dollars for the pair.

Thank you in advance for your invaluable advice !

Guillaume
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Old 30th November 2016, 02:11 PM   #2
Scottmoose is offline Scottmoose  United Kingdom
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Depends on what results you're hoping to achieve. My automatic recommendation in the 4in driver bracket is the Alpair 7.3. Slightly more expensive, but (to a point) you get what you pay for. They aren't designed in the same way as, say, one of Scan's wideband mids, nor do they behave in the same way, but the results are generally good and they're fairly flexible in alignment terms. It's been a little while since I heard Tang Band's W4-2142 but as I recall, they're a decent unit also, so worth considering.
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Old 30th November 2016, 05:15 PM   #3
chrisb is offline chrisb
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+1 - the Pluvias are another candidate at approx half(?) the cost

horses for courses, then?
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Old 1st December 2016, 07:54 AM   #4
killmister is offline killmister  France
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Thanks !
The CHR70, PLUVIA and 7.3 are drivers that I looked.
I find that they have interesting characteristics especially for their low FS, High Xmax but the issue for me is their low efficiency who exclude the use of a low power SE amp.
Is there some big differences in quality between pluvia and chr70 ? I've read somewhere that they are close.

Guillaume
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Old 1st December 2016, 04:29 PM   #5
chrisb is offline chrisb
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I don't think you mentioned the SE amp - that could alter the calculus a bit. Exactly how much power are you talking about, and how large is the room?

FWIW, when Dave & I first started playing with various MA drivers a few years ago, the sensitivity of the 70mm class did cause us some concern compared to say Fostex FE126E or FE127 which were are main go-to drivers. But I personally found the MA - especially the A7.3 generally delivered deeper extension and - to use audiotweak speak - more finely resolved low level detail, and were less fatiguing over extended listening. I've used the A7.3 with amps ranging from 2A3, EL84 & 34s configured as SET, and the wonderful ACA, to various class T /D amps up to 60 W, and am currently running them as mid-tweets in a big MTM in my home theater rig. Onkyo receiver with something like 100-ish - it's a game in itself trying to figure out exactly how much to derate the power specs for the actual operating conditions. I mean who buys a 7.1 receiver to only use it in 2-channel mode? .

It's been a while since I've heard the CHR70.3, but from my recollection, there was something a bit too brittle / strident - something I didn't feel with the Pluvia 7 ( in FH3)
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Old 2nd December 2016, 11:48 AM   #6
killmister is offline killmister  France
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Thank you for your post !

I have several amplifiers which go from 3 watts to 50 watts, thus a low efficiency is not redhibitory, i have several possibilities.
I listen to music mainly in my living room at low or medium volume.
My room is L-shaped and measures 65 m2. The room is very reverberating. I listen to fe108ez bibs in corner (living room = width 5.5m) and klipsch RF82 with a 15 watt tube amp (sipp el34) or with an FX-AUDIO FDA .
I use the tubes less often for reasons of energy saving and especially to preserve my EL34 Mullard of the good times (70's)!
My second listen room is my home studio. The main amp is a full tweaked TPA3116 between 15 and 30 watts (8/4 ohms).
The FR's are FF125wk in 13L BR (with a notch to eliminate the 7khz peak) as monitor and suzy chang with fe103 sol to listen to music on CD.
I listen to music much stronger in the home studio. The room is very little reverberant (22 m2) and there is an acoustic treatment and a lot of furniture.
I need more power so.
I have two projets of SE amp, one 300B (reassembly) and one loftin and white 2a3. I have all the components and soon the time to mount all this.
So I can choose an alpair 7.3 and I will see later which place it will take.You are several to advise me this speaker, I will not think about it any longer !
I am French and I do not speak English fluently. I confess I'm not sure I understood your post entire well...
Could you explain simply what's you mean with:
"fostex FE126E or FE127 which were are main go-to drivers" --> you mean natural or principle choice ?
"the wonderful ACA " --> ?
"something like 100-ish" --> 100 watts ?

Guillaume

edit : "more finely resolved low level detail, and were less fatiguing over extended listening" is my principle concern .

Last edited by killmister; 2nd December 2016 at 11:54 AM.
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Old 2nd December 2016, 01:08 PM   #7
mcspero is offline mcspero
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Does your driver need to be that small. The Beyma full range speakers 8,10,12 inch sound quite good in my opinion in sealed enclosures but the 12 inch, 12ga50 needs some lpad attenuation/eq in the mid and treble to reduce the harshness.

I have been meaning to order the new 3 inch Beyma full range to see what that sounds like. I will post when I have some delivered and put them through their paces.
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Old 2nd December 2016, 02:51 PM   #8
dave 111 is offline dave 111  United States
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Oh goody I can plug two of my favorite drivers! Faital Pro 4fe is a great driver and inexpensive. And at 5" the Tang Band w5-1611 fits the bill and does everything well (the w5-2143 does also, it has a paper cone, I have a preference for the 1611's PP cone). The w5 gets a lot of good press and like all drivers some bad as well. Some say it is shouty, others too smooth, not detailed and shy at the top end. I don't think so. The top end is just about spot on, the mid range very lushious and it's never been shouty in a bad way. I will agree with one reviewer that said it really shines when turned up a little. I've heard sounds come out of this thing and gone running into the room thinking the speaker was going to be laying on the floor in parts the sound was so lifelike, maybe 3 dimensional, rowdy, (insert your favorite adjective here) only to find it humming along just fine. Whatever it was it was very cool.
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Old 2nd December 2016, 04:57 PM   #9
chrisb is offline chrisb
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killmister:

looks like I may have picked up more of the habit of obscurity from long term exposure to Planet10 than I thought

-Fostex FE126 and 127 ; before the CSS FR125 and Mark Audio drivers -starting with the EL70 which was an OEM for Bob Reimer, those two Fostex, and the Realistic 40-1197 ( FE103) were our most commonly used full-range drivers.
- The "wonderful ACA" - refers to the Nelson Pass designed Amp-Camp Amp design - for which DIY Audio store has a very easy to build kit . A very nice sounding 5 watts of Class A

Amp Camp Amp Kit – diyAudio Store

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-"Something like 100ish " - yes, that's watts per channel. The sorta joke being that with surround sound receivers, the power ratings are "interesting" to translate into actual real word application. My Onkyo is either:
1) North American:
135W minimum continuous per channel, 8 ohms 2 channels driven from 20Hz-20kHz at .08% THD, ( FTC)
or
2) Others
7x180W at 6 ohms , 1kHz, 1 channel driven 1% ( IEC)
or
3) Asian
7 x 230W at ohms, 1kHz, 1 channel (JEITA)

but wait, there's more!:
4) Dynamic Power. IEC 60268 Short term maximum output power:
300W (3 ohms, Front)
250W (4 ohms, Front)
150W (8 ohms, Front)

$hit like that drives me crazy - pick the most conservative measurement standard that applies to how it is most likely to be used

rant over


We're all likely to have a short list of favorite drivers, and as far as full-range models go, mine is certainly populated mostly with Mark Audio models - the A7.3 and MAOP at the top . Of the several TangBands I've heard, the 1611 has excellent bass for its size and was perhaps a bit bland in the upper mids to top, but certainly did nothing untoward. I can't say that for all models of Fostex.
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Last edited by chrisb; 2nd December 2016 at 05:04 PM.
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Old 2nd December 2016, 05:19 PM   #10
Bare is offline Bare  Canada
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IF you go for a Firstwatt Amp Diy..Any of them.
Which in the erm.. more advanced than ACA versions (which is Great, but mostly a Taste tester) .. are truly excellent gizmos by Any yardstick.
Note tho that then one's drivers are The bottleneck
Plan accordingly.

Last edited by Bare; 2nd December 2016 at 05:22 PM.
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