Marantz MM-9000 or Anthem MCA5 for Paradigm Reference - AVS Forum
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post #1 of 5 Old 02-02-2001, 12:04 PM - Thread Starter
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I have Studio 40's, a Studio CC, ADP surrounds and a PW-2200 sub and I think it's time for a 5 channel amp to start driving them. Can users of the amps I've listed give me some feedback. I here that the Anthem sounds a little harsh but very detailed plus Paradigm owns them now. The Studio 40's have a very slight harshness to them at loud levels but that could my current amp(Yamaha DSP-A3090). Also, maybe some Studio Series owners could give me some advice on 5 channel amps they use. Ok fellas, a little help?
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post #2 of 5 Old 02-08-2001, 02:09 PM
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Supposedly Marantz amps (and receivers) are designed to be "musical".
For what it's worth, I recently obtained a pair of NHT 2.9 speakers.
They sounded somewhat bright and harsh using a Pioneer VSX-D906S receiver.
Reviews seem to indicate that both the speaker and the receiver tend
toward those problems.

When I upgraded to Marantz AV9000 pre/pro + MM9000 amp
the sound became very enjoyable. Some have claimed that Marantz
designs may tend to roll off the high frequencies slightly, but I have
never seen the output of a spectrum analyzer to confirm this.

The power rating for the MM9000 is somewhere between 140 and 170Wpc
at 8 ohms. Reviews, manuals and spec sheets disagree on the exact value.
It only gets slightly warm running the (6 ohm) NHT 2.9s and seems to
have plenty of headroom. (The preamp gets much warmer.)

The Anthem amp seems to have more features for a comparable price.
I suspect you should try to get demos of both to audition in your environment.

I hope this helps a little.


------------------
seb

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post #3 of 5 Old 02-08-2001, 09:02 PM
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3090

When I first got my Ref. 40's I went on an "amp hunt" too. I thought that they were "bright" or "harsh" when listening to music. Several people encouraged me to give the speakers A LOT of break in time. So, I started leaving them on during the day at moderate levels using music and DSS as sources. All in all, I bet I had well over 100 hours on them before I thought the harshness went away. I think they sound wonderfull now. I also player with speaker placement, toe in, and making sure there were objects (pillows on couch, pictures..etc.) at the speakers 1st reflection points on the side walls.

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post #4 of 5 Old 02-09-2001, 08:34 AM - Thread Starter
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Selden,
Do you ever feel like your amp is being stressed or is reaching it's limits? What was your receiver's power rating and can you comments in a little more detail about the improvement you heard? Also, can you direct me to some of the reviews you've read on the MM-9000? So far I only know of etown's review. Thanx.
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post #5 of 5 Old 02-11-2001, 05:36 PM
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3090,

You probably need to take my "headroom" judgement with a grain of salt.
My HT system is in a small room and I usually play things at a low level.
(between -38 and -28 dB on the AV9000's volume scale depending on the
source; maybe 55 dB or so using a Radio Shack SPL meter)

Sorry, I can't easily characterize the differences
other than saying that the Marantz AV+MM upper range doesn't sound
as, umm, raspy -- it's less grating. On the other hand, I just finished
adding shelving yesterday so both the pre/pro and the amp could be on
a top shelf (for cooling) and today I'm noticing that silibants
(s & sh sounds)
seem to be much more pronounced than what I remember from a few days ago.
I dunno if things have changed or if I just didn't notice the problem.
A lot of it depends on the particular CD, too. sigh.
[It was mostly reflections added when I moved things. fixed.]

Usually a lot of the audible character of the electronics
is determined by the preamp. I suspect your Yamaha will dominate.
Also, the wattage of the MM9000 isn't all that much more than the A3090.
You might want to consider a more substantial upgrade.
(In my case, the AV9000+MM9000 have quite a few features that are missing
from the Pioneer receiver they replaced.)

There are some Marantz reviews on http://www.audioreview.com http://www.audioreview.com/reviews/A...ct_16547.shtml
Of course, as with many of the reviews on the site,
the posters all love it.

A brief but more formal review of the AV+MM pair is on a UK site: http://www.home-entertainment.co.uk/...&ArticleID=747
(That's where I saw the 140W/c rating. The manual that comes with
the amp says 170W/c, which is likely to be generous.)

I hope this helps a little.


------------------
seb


[This message has been edited by Selden Ball (edited 02-12-2001).]

[This message has been edited by Selden Ball (edited 02-12-2001).]

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