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#98174 - 10/05/18 04:42 PM 2200 amp
dwmayo1 Offline

Registered: 12/06/05
Posts: 47
Loc: Buffalo, NY
need the advice of you experts out there.

ok so I have a very basic system compared to most if not all.

I have the Marantz 5010 receiver connected to B&W 602 S3 speakers, front and Center.

I am thinking about adding a 2200 mono amp for the center channel only. with the current set up I find the audio somewhat dull....hope that makes sense??

does adding a 2200 amp make sense ? and if I make the investment, what can I expect in terms of sound / performance from the center channel?

thanks everyone!


#98175 - 10/06/18 03:39 PM Re: 2200 amp [Re: dwmayo1]
XenonMan Offline

Registered: 04/08/08
Posts: 2548
Loc: Columbus,North Carolina
Hard to say. Most receivers power ratings are based on 1 or 2 channels operating at the same time. It is likely you are not getting a true 100 wpc from your center. That said the 2200 is a 200 wpc amp but that only gets you a theoretical 3 db increase in spl compared to the Marantz. The 602 s3 are not too hard to drive so I would expect something else is masking your sound. Could it be the room or maybe some dynamic gizmo turned on in the receiver. Try moving your speakers around some ad see if that helps and go through your menus to set that part good.
Music system
Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD
APC H15 Power Conditioner

TV System
Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv

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Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv
Harmony ONE
Blue Jeans and Monoprice interconnects
APC H15 Power Conditioner

#98177 - 10/07/18 07:52 AM Re: 2200 amp [Re: XenonMan]
dwmayo1 Offline

Registered: 12/06/05
Posts: 47
Loc: Buffalo, NY
Hi xeononman and many thanks !

perhaps instead of investing in the 2200 I should consider a better center channel?

#98178 - 10/08/18 08:33 AM Re: 2200 amp [Re: dwmayo1]
arbitrageur Offline

Registered: 12/16/17
Posts: 19
Loc: Minneapolis, MN
Have you measured and set the sound level of the center channel using an SPL meter?

I have found over several generations of B&W speakers that the center channels often have less efficient ratings and therefore need to have the level trimmed higher to match the front left/right. My current setup needs +5db in the center to match SPL across the front speakers. In my case I also angle the center channel up slightly towards the listener since the console it is placed on is substantially lower than ear height. I use two of the angled foam inserts from a pair of auralex mopads which helps decouple the center from the console and get more on-axis response at the listening position.

All of XenonMan's suggestions still apply, moving the speaker even just a few inches or changing the listening position could have an impact.
Outlaw Audio Model 976 / 7700 / Ultra-X13
B&W CM9, CM Center, DS3 (side), DM303 (back)
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