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Parasound A51 to Class D

bardx86

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Apr 21, 2025
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All,

Need some help or opinion. I have a Parasound A51 which I only use 3 channels for my Revel F208 and C208. The rest of the 8 speakers run off Marantz power (7.1.4). I'm thinking about a nice class D to replace it but I worried it might be a down grade. Dont get me wrong I like the Parasound but I have it on a BDI media center with the Marantz and it get really hot in that cabinet. The heat causes Marnatz fan on sometimes and it a bit annoying I'm about 6 feet from it. Also I'd like the get something that was better on my power bill, lol. I only use this for HT. I know that newer class D test better but do you guys think I would see a noticeable difference good or bad?

Thanks,
brad
 
Welcome to ASR. Assuming you are in the US, you can try 30 days and return with 10% restocking fee if you don't like it (which is unlikely).

 
The Marantz by itself probably has enough power for "home use". A "better" amplifier won't sound better unless there's some defect with the AVR or if you are over-driving it into clipping.

There's been some discussion hear about the efficiency of class-D amps and under normal conditions they aren't necessarily more efficient. They ARE more efficient with constant full-power test-tones.
 
The Marantz by itself probably has enough power for "home use". A "better" amplifier won't sound better unless there's some defect with the AVR or if you are over-driving it into clipping.

There's been some discussion hear about the efficiency of class-D amps and under normal conditions they aren't necessarily more efficient. They ARE more efficient with constant full-power test-tones.
What about heat? Also the parasound does sound better than the Marantz imo.
 
Welcome to ASR. Assuming you are in the US, you can try 30 days and return with 10% restocking fee if you don't like it (which is unlikely).

I was looking at buckeye or VTV the ncorex I think. Oh and thanks. I read the forum a lot just never have posted. Great community.
 
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