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Old 11-26-2017, 01:47 PM   #1
Sandog
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Denon PMA-50 audio amp.

Well guys I had to do something with my audio system. My speakers are really good now but unless you are driving them right you are missing out on their potential and worse, it sound like crap at high volume due to the amp being overdriven. I believe one can detect whether the speakers are being over driven or the amp is being over driven. You can tell by the response in the volume control. Also, when you know you have a 22Wrms/ch amp and you have 150W speakers and plus, the manufacturer recommends a more power amplifier, well, you gotta do what you gotta do.

Order this: USB DAC, Advanced AL32, Digital Amp, Compact Amp


This doubles the power to the speakers and has control features and size comparison to my current amp.
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Old 11-26-2017, 01:52 PM   #2
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Re: Denon PMA-50 audio amp.

I Love Denon stuff, I'm on my second Denon AVR...great stuff...Congrats!
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Old 11-26-2017, 02:18 PM   #3
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Re: Denon PMA-50 audio amp.

Yeah, I hate to lose my Audioengine N22 but I knew going in it probably wouldn't be powerful enough. It is great for low-volume but sometimes I want it cranked up. The Denon looks sweet, only issue is dependability. I don't think it goes through the quality control Audioengine uses or has the best components but it fits like a glove. It has a vertical mount, has the large volume control, has a auto-standby mode, and handles RCA input, RCA output, and sub-woofer duties, it has an audio signal pass-thru feature, and it does not require a DC power supply.

There are not many desktop amplifiers for speakers available and this one fits the bill as close as possible. Most are dedicated head phone amps. A close second was the SoundBlaster X7 but the Denon has more power and less headache with software. It has a USB DAC inside but not sure how good it is and it also does BlueTooth.
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Old 11-26-2017, 02:31 PM   #4
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Re: Denon PMA-50 audio amp.

I don't know about that amp but Denon AVRs are at the top or pretty close to the top when it comes to Quality and performance....and been around a lot longer than Audio engine stuff....I'm not that impressed with my speakers from them!
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Old 11-26-2017, 03:06 PM   #5
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Re: Denon PMA-50 audio amp.

Quote:
Originally Posted by fvbounty View Post
I don't know about that amp but Denon AVRs are at the top or pretty close to the top when it comes to Quality and performance....and been around a lot longer than Audio engine stuff....I'm not that impressed with my speakers from them!
What do you not like about them? I know they are a warmer sounding set of speakers. Audionengine strives for the same audio characteristic across all their products in which they are shooting for a warmer sound stage to suit a majority of folks. They do not have a lot of products.

I would have went with the powered +A5's but I wanted volume control on my desktop so I got passive speakers plus the N22 desktop amp. One thing I did not mention before when I was reading reviews of the Audioengine HDP6's and this was after you had yours was the reviewer said he did not like speakers with built-in amps. Audio reviews are a haute and sometimes snobbish bunch but this does make sense. Speaker cabinets are supposed to be tuned cavities and how would circuits inside complicate this? Not to mention what are the audio waves doing to components? Still, Audioengine makes great stuff and many users love their +A5's. I know they need at least 50hrs of break-in time and they will continue to get better and better.

If you can't come to love the A5's get rid of them, life is short. I bet you would have really liked the Axiom Audio M2's.
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Old 11-26-2017, 03:13 PM   #6
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Re: Denon PMA-50 audio amp.

Also, I did a woofer test again with my new speakers. Test involved unplugging the woofer and listening, then plugging the woofer back in and listening.

Hands down the woofer still adds a big plus to the speakers even though the HDP6's have substantial woofers already. The low-crossover of the woofer just reaches down low and fills the room from everywhere with the bottom audio floor. It sounds naked without it.
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Old 11-26-2017, 03:18 PM   #7
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Re: Denon PMA-50 audio amp.

They are fine they just didn't blow my socks off, I've always had good speakers and audio stuff....I'm a guy from the sixtys lots of high volume sound without any distortion, clean bass, but has you get older you lose the highs, those Corsair 2500 speakers were just as good as the +5's, to my ears. From all the reviews I read on the +5's I just expected more???? I like Audioengine stuff they make fantastic stuff, you know how it is you hear all the good stuff about a movie and when you see it it just doesn't live up to your expectations.
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Old 11-26-2017, 03:31 PM   #8
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Re: Denon PMA-50 audio amp.

The Axiom M2's were much more sophisticated sounding than the Audioengines. I wish you could get a set of those. I had the SB E-MU XM7 Bookshelf Speakers and the M2 were much better. I have to say to that they were equal if not better quality cabinets than Audioengines. I wish you could try a set. If you needed powered speakers though, their is no substitute I know of better than the Audioengine +A5's.
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Old 11-26-2017, 03:33 PM   #9
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Re: Denon PMA-50 audio amp.

Here's my old speakers I've had for 35 years and the Phase Linear amp and pre amp, the speakers have 15 inch woofers a horn for midrange and tweeter, they are commercial grade Pioneer speakers some guy put together in Berkeley back in the day, lots of hours with these babies at very HIGH volume! There still going strong today!
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Old 11-26-2017, 03:44 PM   #10
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Re: Denon PMA-50 audio amp.

Very nice old stuff. I wish I could have turned you on to the M2's sooner but they would require an amp.
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Old 11-26-2017, 03:48 PM   #11
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Re: Denon PMA-50 audio amp.

BTW, I had a set very similar to these back in the Navy, they were Pioneer.

https://www.radiomuseum.org/images/r...8x_1671900.jpg

I still had them in the attic after I married but got rid of them. You could not blow those speakers.
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Old 11-26-2017, 03:51 PM   #12
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Re: Denon PMA-50 audio amp.

Here is the exact amp I had to drive them.

http://audio-database.com/TechnicsPa.../amp/su-v9.JPG

and here are the exact speakers.

http://vintageaudioexchange.com/wp-c...3/DSC_0067.jpg
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Old 11-26-2017, 04:33 PM   #13
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Re: Denon PMA-50 audio amp.

Quote:
Originally Posted by Sandog View Post
Here is the exact amp I had to drive them.

http://audio-database.com/TechnicsPa.../amp/su-v9.JPG

and here are the exact speakers.

http://vintageaudioexchange.com/wp-c...3/DSC_0067.jpg
Now your talking, I like those speakers!
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Old 11-26-2017, 05:53 PM   #14
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Re: Denon PMA-50 audio amp.

They were amazing speakers, I had them in my early twenties and they would blow my ears off. I just got rid of them about 8yrs ago, gave them away along with the amp. It was sitting in the hot attic getting ruined. Didn't have time to sell them.

All I have now is my computer audio and I hope this Denon amp will be enough horsepower for these awesome HDP6's.
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Old 11-26-2017, 06:07 PM   #15
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Re: Denon PMA-50 audio amp.

I have 5.1 surround speakers hooked to my Denon AVR, there's a 12 inch sub a couple of towers and smaller rear speakers, surprised how good it sounds with 4K movies, then in the kitchen I have a pair of Sonos 1's, one in the bedroom and 1 in the basement, so my wife has music wherever she goes in the house! If she's up music is on....lol
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