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Last edited by venturi; 06 January 2005, 20:58 Thursday. -
Venturi,
As I intend to buy the 803Ds for a similar configuration, I asked B&W UK Tech Support the same question regarding the 803Ds. See the following (slightly edited quote):Does anyone have a better/more efficient way of powering the 803BW with a 1095? I figured bi-amping a 1095 would be better thab using biwiring a 1090.
They then went on to suggest amps like the RB-1090, Classe etc...I have to admit that I am always in two minds over the question of bi-amping. Is it the right route or, given a certain budget, are you better off getting a single, more powerful amp? If you listen fairly loudly such that you often approach the voltage limits of the amplifier, then I would go for a more powerful amp to lessen the likelihood of clipping. Bi-amping gives you no more total power transfer. A RB-1080 (or RMB-1095) in bi-amp mode still delivers just 200W worth of sound level. What matters is the voltage swing. What bi-amping can do is give each amp an easier load. For example, the difficult part of the load of these speakers (most of ours come to that) is the low point in the impedance just above the box/reflex resonance peaks in the bass - around 100 - 200Hz. If you split the amp load, the one feeding the MF/HF of the 3-ways does not have to cope with this current-sucking region and may perform to a better quality level by being less stressed. Once you get to the better amps, though, this is actually less of a problem as they tend to have better current reserves.
I'm in the process or auditioning and (very likely) buying two RB-1090s right now. Why two youy may ask? Well there is also the centre chanel (HTM2D..
Lastly - how did you get the 803D early? And did you compare before buying?
Geoff -
Two 1090's :E :E :E ;x( ;x( :E :E :EComment
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When: Saturday, February 12th – 2:00 to 3:30 pm
Where: Spearit Sound, Northhampton Mass, 1.413.584.9547, Sales Rep: Jack T.
Associated Equipment: B&W 802; B&W 803D; Krell KAV-280p; Krell KAV-2250; Cary CD-306/200
Audio CDs: The Chemical Brothers,... -
Two weeks ago I became an 803D owner.
I can only compare the new 803Ds to the CDM9NTs that they replaced as the combination of my listening room and my gear is one of a kind (as they all are).
The tweeter in the 803D is a big improvement over the CDM9NT, which was too bright... -
I've been toying with the idea of replacing my Celestion A3 main theater speakers with something else. I've had the Celestions for about 7 years. They are great speakers - but perhaps a little bit too polite in the base department. There have been some improvements in speaker technology in the last... -
Well, I spent over 3 hours at the Classe/B&W dealer today to demo the SSP-800 for the first time, as well as to compare the 803Ds to the 802Ds once again.
For this post, I eliminated the section of my Classe SSP-800 review that I posted in the Classe Forum section.
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Hi,
I got my local B&W dealer to set-up an extended, private comparison between the 803D and the 802Ds... Same amp. music and room... The system was based on McIntosh 602 amps (600W a channel) with the McIntosh pre and CD player. Incidentally I liked the amp but felt that the pre...
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