Hey guys, I hada question regarding the FST drivers in the B&W series. Is the driver identical across the whole range. If it is, then should the midrange sound similar across the range, if not, then what makes the midrange different across the range. The reason why I ask this is because I currently have a pair of CM6 with the FST drivers. I plan on upgrading to the 804s which also has the FST drivers. I can't do any side by side comparison because the don't carry the cm6 anymore. I have this feeling in my head that the midrange will sound similar because they both have FST drivers.
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the 800 series has matrix bracing and a curved enclosure. the 802 and up has a marlan head which also helps significantly.I'm just sittin here watchin the wheels go round and round... -
Also, the cabinet volume differs from each model which will affect the sound.Comment
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So do you think this will be a huge step up from the cm6.Comment
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The size of the FST is not the same either, 160mm in 703 and 150mm in 80x, never understood why.Comment
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I always wondered about that. Perhaps the larger FST driver in the 703 is responsible for their somewhat overemphasised upper midrange. Maybe the bigger FST driver causes more beaming, and hence less smooth transition between midrange and tweeter.
Is the current 800 series fst driver the same in all models?
Is the current 800 series newer than the 703?
Don't get me wrong, I love my 703's (and couldn't have pushed my budget any more, though I would have prefered the 804) but I think they could have improved the sometimes critical midrange to tweeter x-over (I'm expect the 703 v2 will addresss this - we'll see . . .)
While i'm speculating, I wonder why b7w doesn't monitor this forum - it seems to be the main one for their products.Comment
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Yeah even though when I audition the speakers I can hear a difference, I always wonder am I paying more for the enclosure and tweeters. I just wish B&W would have differentiated their midranges more instead of just calling them FST drivers. It kinda makes me feel that if I got 800 series, the midrange isn't more special from any other model lineup. I'm paying more money for a higher lineup, I would like to know that extra money is also for an imporved midrange driver.Comment
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I bought the 703 because the midrange sounded better to me than anything
else I could afford. Yes it is a little bright in the upper midrange, but it sounds more natural than many other speakers. I wouldn't concentrate on the "quality" of the midrange driver itself. It is a synergy thing.
One thing I noticed about the B&W speakers is that the sound always got better the more you could afford to spend. Maybe they cripple the 703 to make you want to spend more money. I'm not familiar with the model you have now, but most likely if you step up it will sound better. Can you take your current speaker into the store to compare with the newer upgraded model? If so, do that!
Sometimes I regret not waiting longer - not because the midrange driver is better in the next model up, but, because it seemed to be more well integrated. But I got a very good deal on the 703 ($1800 $US), with factory warentee, so I grabbed it.Comment
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What does an "somewhat overemphasised upper midrange" sound like? I find my 703's to sound very natural. They also sound full (low frequencies) since I changed my CD player. These speakers love good electronics... :WOriginally posted by dknightdComment
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To me the 703 seem to have a peak around 4khz. I agree though, they do sound very natural (which is why I bought them). Maybe my old speakers just had a dip around 4k and my ears are not used to listening to flat speakers.Comment
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I'm not sure if the FST is the same in all 800 series floorstanders, but if that is true then midrange differences across the range would probably come down to enclosure and crossover componenets."Don't mock the speakers... They have you surrounded."
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I came across this statement from JonMarsh in the Modula MT thread. It's thought provoking and brings two questions to mind.
"Keep in mind when considering reducing the box size that this also can impact the midrange quality- I find a certain amount of enclosure depth is necessary... -
Do you guys think that there would have been a benifit if B&W had used dual 150mm (6”) Kevlar cone FST midrange drivers in the 803s and up?
Maybe in the centre channels aswell? -
Midrange
A midrange driver is a loudspeaker driver designed to reproduce midrange frequencies in an audio system. It is responsible for bridging the gap of frequencies between the bass and treble ranges, typically from around 300 Hz to 2000 Hz, depending on the specific design, tweeter and woofer choice, and crossover points.
Design criteria for midrange drivers:- Frequency Range: Midrange drivers are designed to cover the midrange frequency band with clarity and accuracy.
21 July 2023, 15:06 Friday -
I'm wondering about different midrange drivers I could try in my speakers. Rough requirements:
- Woofer is an AE OB12, usable up to about 400Hz on an OB, but ideally I'd like to cross around 250Hz or below (then I could try an H-frame and get more bass out of it)
- Tweeter is a Neo3, cross at
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I'm trying to use Jeff Bagby's Baffle Diffraction Response Modeler for two 5" midrange drivers wired in parallel, but only see an option to model one driver at a time. How do I model for two 5" midrange drivers wired in parallel?
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