Looking for advice on Parasound A51/A52+ - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 15 Old 05-27-2020, 01:09 AM - Thread Starter
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Looking for advice on Parasound A51/A52+

I am currently looking into upgrading my HT with separates and considering going with Parasound. A dealer I reached out to suggested the following for my system :


Parasound A31 3 Channel Amp (Fronts)

Parasound A52+ 5 Channel Amp (Surrounds)

Parasound A52+ 5 Channel Amp (Atmos)



My system consists of :


LCR : Klipsch KL-650-THX

Frequency Response 48Hz-20kHz ± 3dB
Sensitivity 97dB @ 2.83 volts / 1 meter
Nominal Impedance 8 ohms compatible
High Frequency Crossover 1400Hz
Power Handling 150 watts maximum continuous (600 watts peak)


Surrounds : Klipsch KL-525-THX
Frequency Response 80Hz-20kHz ±3dB
Sensitivity 94dB @ 2.83 volts / 1 meter
Nominal Impedance 8 ohms compatible
High Frequency Crossover 1500Hz
Power Handling 100 watts maximum continuous (400 watts peak)



Atmos : Currently have no atmos but plan on adding 4 heights

I am wondering if this setup would be a good match for my system and if there would be any benefit for me to go with the more powerful A51 instead of the A52+. If I go the A51 route, I'd likely only get 1 then mix/match with other Parasound amps. I was thinking about matching with A51 since it's THX Ultra2 certified, which my speakers are as well. Not sure if that should have any bearing on my decision.


On another note, should I be spending the money on class D amps instead?

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post #2 of 15 Old 05-27-2020, 04:32 AM
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Quote:
Originally Posted by jl001300 View Post
I am currently looking into upgrading my HT with separates and considering going with Parasound. A dealer I reached out to suggested the following for my system :


Parasound A31 3 Channel Amp (Fronts)

Parasound A52+ 5 Channel Amp (Surrounds)

Parasound A52+ 5 Channel Amp (Atmos)



My system consists of :


LCR : Klipsch KL-650-THX

Frequency Response 48Hz-20kHz ± 3dB
Sensitivity 97dB @ 2.83 volts / 1 meter
Nominal Impedance 8 ohms compatible
High Frequency Crossover 1400Hz
Power Handling 150 watts maximum continuous (600 watts peak)


Surrounds : Klipsch KL-525-THX
Frequency Response 80Hz-20kHz ±3dB
Sensitivity 94dB @ 2.83 volts / 1 meter
Nominal Impedance 8 ohms compatible
High Frequency Crossover 1500Hz
Power Handling 100 watts maximum continuous (400 watts peak)



Atmos : Currently have no atmos but plan on adding 4 heights

I am wondering if this setup would be a good match for my system and if there would be any benefit for me to go with the more powerful A51 instead of the A52+. If I go the A51 route, I'd likely only get 1 then mix/match with other Parasound amps. I was thinking about matching with A51 since it's THX Ultra2 certified, which my speakers are as well. Not sure if that should have any bearing on my decision.


On another note, should I be spending the money on class D amps instead?
What are you using to drive them with now? Reason I ask is: your speakers are VERY sensitive & easy to drive - you may see zero benefit going with separate amps for them.
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post #3 of 15 Old 05-27-2020, 12:21 PM - Thread Starter
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What are you using to drive them with now? Reason I ask is: your speakers are VERY sensitive & easy to drive - you may see zero benefit going with separate amps for them.
I am currently using a Denon AVR x4100. My plan was to replace with a Marantz 8805/7705.
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post #4 of 15 Old 05-27-2020, 01:35 PM
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I am currently using a Denon AVR x4100. My plan was to replace with a Marantz 8805/7705.
Think about this: a speaker with a sensitivity rating of 90db @ 1 watt, one meter away will produce 105 dB with approx. 32 watts. Your LCR are rated at 97 dB sensitivity. Your Denon clearly has enough power for your speakers. There may/may not be other benefits to be had going with separates, but as far as power goes you should be all set with the Denon.
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post #5 of 15 Old 05-27-2020, 08:56 PM - Thread Starter
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Think about this: a speaker with a sensitivity rating of 90db @ 1 watt, one meter away will produce 105 dB with approx. 32 watts. Your LCR are rated at 97 dB sensitivity. Your Denon clearly has enough power for your speakers. There may/may not be other benefits to be had going with separates, but as far as power goes you should be all set with the Denon.
Thank you for the feedback. With that line of thought, would it be better for me to just get an AVR like the Denon 8500 and call it a day?

I wouldn't mind spending extra $$ on separates if the performance increase is measurable or noticeable, but would definitely like to save $$ where possible if there's little to no performance gain.
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post #6 of 15 Old 05-27-2020, 09:23 PM
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If you were doing a music system, I would say try the Parasound, but I agree with the others here. For HT it's way overkill especially with the Klipsch.
Maybe consider the Anthem 1120 or Avm60 and an amp. Anthem's room correction will be much better than the Denon's
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post #7 of 15 Old 05-28-2020, 04:43 AM
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Im in the same boat as you are but my speakers are different.My Polk LSIM 707s and 706C that I use for front three have sensitivity of 86 and my Home theater Direct series three speakers that I use as Surrounds also have sensitivity of 86. I have 4 in wall speakers as Front and back as presence/Dolby atmosphere speakers.They were in walls when I bought my condo so I can't tell the brand.Im using a Yamaha 2080 to power all 9 speakers. In my case Im going for the A52+ more to take load off the receiver than any loudness demands. Parasound is a very interesting company with John Curl designed amps that keep the first 10 watts of usage as class A and anything above goes to class AB. Its one of best amps for lower to moderate volume levels and you can tell sound difference from using just a receiver. Only negative is that they are expensive but built like a tank and will last a very long time.

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post #8 of 15 Old 05-28-2020, 06:10 AM
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Originally Posted by jl001300 View Post
Thank you for the feedback. With that line of thought, would it be better for me to just get an AVR like the Denon 8500 and call it a day?

I wouldn't mind spending extra $$ on separates if the performance increase is measurable or noticeable, but would definitely like to save $$ where possible if there's little to no performance gain.
If you are happy with your Denon, I would hang in for a bit longer. They apparently have a couple of AVR’s coming out - one will be a replacement to their x6500h. It will have slightly more power than you have now, hdmi 2.1 built in, all the new codecs etc. It will also function with the Audyssey app, so you can do some customization if you want. I believe it will be called x6700h.

Honestly, I envy those of you with efficient speakers that are easy to drive, where a decent AVR is all you need. I have PSB Synchrony’s all around, and while 88db efficient, they dip down below 3 ohms at certain frequencies and I’m not really comfortable driving them with an AVR. I have a B&K 200.7 amp that runs really hot powering them. When I make the jump to Atmos, I’ll probably get an AVR and use its internal amps to power my 4 height channels while keeping my B&K amp. Before I bought my Marantz Av8801 pre/pro, I was using the pre-outs on a Pioneer AVR to my B&K amp. It did a great job, and to tell you the truth I would be hard pressed to say I heard much of a difference when I switched to the dedicated pre/pro.
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Last edited by TL5; 05-28-2020 at 07:20 AM.
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post #9 of 15 Old 05-28-2020, 12:23 PM - Thread Starter
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If you are happy with your Denon, I would hang in for a bit longer. They apparently have a couple of AVR’s coming out - one will be a replacement to their x6500h. It will have slightly more power than you have now, hdmi 2.1 built in, all the new codecs etc. It will also function with the Audyssey app, so you can do some customization if you want. I believe it will be called x6700h.

Honestly, I envy those of you with efficient speakers that are easy to drive, where a decent AVR is all you need. I have PSB Synchrony’s all around, and while 88db efficient, they dip down below 3 ohms at certain frequencies and I’m not really comfortable driving them with an AVR. I have a B&K 200.7 amp that runs really hot powering them. When I make the jump to Atmos, I’ll probably get an AVR and use its internal amps to power my 4 height channels while keeping my B&K amp. Before I bought my Marantz Av8801 pre/pro, I was using the pre-outs on a Pioneer AVR to my B&K amp. It did a great job, and to tell you the truth I would be hard pressed to say I heard much of a difference when I switched to the dedicated pre/pro.
I actually considered just upgrading my AVR to one of the newer Denons. I'd go with the 8500 for the extra channels since I may consider adding an extra 2 height channels later one. Do you know if there's any word on the streets about a refresh for the 8500 soon?
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post #10 of 15 Old 05-28-2020, 12:46 PM
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I actually considered just upgrading my AVR to one of the newer Denons. I'd go with the 8500 for the extra channels since I may consider adding an extra 2 height channels later one. Do you know if there's any word on the streets about a refresh for the 8500 soon?
When the hdmi 2.1 board is complete, I have read Denon will (for an unknown at this time fee) replace the existing hdmi board in the 8500 AVR, as well as offer the 8500 from the factory with the new board already installed.
As far as an actual replacement for the 8500, I haven’t heard anything about that.
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post #11 of 15 Old 05-29-2020, 02:36 PM
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Denon has wonky numbers for receiver output, or they did on my 7200. Power rating is into 6 ohms one channel driven I think and not 20 hz to 20 kHz either. Home Theater receivers should give power for LCR from 20 hz to 20 kHz driven continuous into 8 ohms in my less than expert opinion. (Sorry about the soapbox moment).

That said your speakers are very efficient. If I was going to buy an external amp I would go with either the Parasound A 52+ or the A31 for LCR (of the amps you mentioned) and configure the Denon to use its internal amps for the other channels.

Skipping the Denon 8500 and getting the next model down in the line will save you a couple grand as well and that receiver is also made in Japan.
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post #12 of 15 Old 05-29-2020, 07:16 PM - Thread Starter
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Denon has wonky numbers for receiver output, or they did on my 7200. Power rating is into 6 ohms one channel driven I think and not 20 hz to 20 kHz either. Home Theater receivers should give power for LCR from 20 hz to 20 kHz driven continuous into 8 ohms in my less than expert opinion. (Sorry about the soapbox moment).

That said your speakers are very efficient. If I was going to buy an external amp I would go with either the Parasound A 52+ or the A31 for LCR (of the amps you mentioned) and configure the Denon to use its internal amps for the other channels.

Skipping the Denon 8500 and getting the next model down in the line will save you a couple grand as well and that receiver is also made in Japan.
Thanks for the feedback. I ended up just buying the Denon 8500 and calling it a day and use the money saved to upgrade some other components in the theater. If anything, like you mentioned, I would just get the A31 to power my LCR in conjunction with the Denon internal amps.
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post #13 of 15 Old 05-29-2020, 08:02 PM
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Thanks for the feedback. I ended up just buying the Denon 8500 and calling it a day and use the money saved to upgrade some other components in the theater. If anything, like you mentioned, I would just get the A31 to power my LCR in conjunction with the Denon internal amps.
Good luck with the 8500! That thing is a beast! Should be an awesome system.
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post #14 of 15 Old 05-29-2020, 10:40 PM - Thread Starter
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Good luck with the 8500! That thing is a beast! Should be an awesome system.
Thank you! I also appreciate you steering me down the path of not getting separates.

This all started from my projector's HDMI cable going bad and not handshaking anymore and wanting to move my media cabinet closer to the theater to have shorter cable runs. Now I'm deep in the rabbit hole of upgrades lol. I ended up getting the 8500, JVC NX-7, 4 triad silver/9 in ceilings, Panasonic UB9000, and 2 SVS PB 16 Ultras.
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post #15 of 15 Old 05-30-2020, 06:32 AM
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Thank you! I also appreciate you steering me down the path of not getting separates.

This all started from my projector's HDMI cable going bad and not handshaking anymore and wanting to move my media cabinet closer to the theater to have shorter cable runs. Now I'm deep in the rabbit hole of upgrades lol. I ended up getting the 8500, JVC NX-7, 4 triad silver/9 in ceilings, Panasonic UB9000, and 2 SVS PB 16 Ultras.
All that from a bad HDMI cable! Too funny! It looks you made some fantastic choices for your gear - you should be all set for awhile....enjoy!
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