parasound a21 or a23? - AVS Forum
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post #1 of 10 Old 03-24-2008, 03:50 AM - Thread Starter
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Hi,

I have a pair of Monitor Audio Gold Reference 20, rated at 150w. I need help deciding between a Parasound a21(250w) or a23(125w). While I will not listen at insane levels, I like a clean, crisp sound. Will the a23 be enough?

Thanks!
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post #2 of 10 Old 03-24-2008, 05:04 AM
 
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I have also been looking at this amp.I thought about getting the a23 and trying that .I could allways get another one and bridged both.Plus if one breaks you allways have one to use.Hopefully some parasound owners will chime in.BOB
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post #3 of 10 Old 03-24-2008, 07:26 PM
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Parasound dealer and owner of the product myself, so I'll chime in. Both amps are more than capable of driving just about any speaker. However, the A21 would be my choice as it's an amplifier that can adapt without needing to be upgraded when you decide to upgrade your speakers in the future. Case in point....In my old system, which consisted of the A21 and the Dynaudio Contour S5.4 floorstanders, it drove these speakers wonderfully. I've since retired the large floorstanders in favor for monitors, which are the Dynauido Confidence C1's and the A21 is still there in the mix.

Tony G. Cordova, President
Showplace Oklahoma - Showplace Theater & Sound
"We put the SHOW in your PLACE."
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post #4 of 10 Old 03-28-2008, 02:45 PM
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I had the A23 for awhile and I was surprised at how well it sounded and it can get quite loud. I was using a similarly spec speaker - 6ohm, 89db. I think the A21 would definitely be a better amp to have but the A23 is quite the workhorse.
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post #5 of 10 Old 03-29-2008, 06:31 AM
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I currently use a Halo A23 to drive my Monitor Audio GS60s to decent levels without issue. I would have gone with the A21 if I had the extra cash to spend. They are both solid amps IMO.
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post #6 of 10 Old 04-01-2008, 06:40 PM
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Both amps are great sounding so you can't go wrong with either. I guess it depends on how much you want to spend and how loud you listen. I'm a believer that too much power is just about right. I've got B&W 802 S3's that are biamped with a pair of Parasound HCA 1200II's (205wpc) and more power definitely wakes thing up if you play it loud.
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post #7 of 10 Old 04-02-2008, 05:25 PM
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How big is your room? How far are you from your speakers?

I use an older Parasound HCA-1000A, which has very similar specs to the A23, with a slightly less robust power supply (which is why, I assume, the A23 is rated at 225 watts into 4 ohms while the HCA-1000A is rated 200 watts into 4 ohms, although the 8 ohm power is rated the same).

I'm driving a pair of Onix Reference 3 floorstanders, which are 4 ohm, 90 db speakers. In my 9x13 room, with a 7 foot listening distance, I can get easily get into continuous, 95+ dB listening levels when playing music like live Deep Purple. However, if I ever had the desire to play louder (and I do not) then I'd probably want more power.
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post #8 of 10 Old 04-03-2008, 09:08 AM
 
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The answer is yes the A23 will be enouhg, but the A21 will be better. Alitle more current, more dynamic range. Depends on a few things, room size, db of your room which takes away headroom, etc.

Bigger amps doesn't always mean you should/need/can play music louder, it just means you have more dynamic range to hear all your frequencies depending on olume whether soft or loud.

I do a lot of two channel systems with the A23 and their P3. All things considered, if you can srping for it, g with the A21. If not, no worries, you'll be happy with the A23.

Richard
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post #9 of 10 Old 04-08-2008, 03:33 PM
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If you have the money, definitely get the A21.
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post #10 of 10 Old 04-08-2008, 06:41 PM
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As others have noted, depending on your room, speakers, listening habits, and source components, you may find benefit to using the A21, but it's not a "no brainer". In my case, I'm selling my A23 because it's overkill for my needs (100sq ft room, Usher S520 speakers, chamber music).... so that's perhaps the other end of the opinion spectrum.


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