Another


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It's time to move up in my system. I'd appreciate some amp recommendations, as I haven't heard too many amps, and have little knowledge of some of the nuances involved in making a decision. Field testing amps is also difficult where I live.

My system is Magnepan 3.7 speakers; (2) Vandersteen 2wq subwoofers; Mojo Audio Mac Mini feeding a PS Audio Directstream DAC, straight to amp. No preamp. (Transparent ICs, Shunyata Triton, Anaconda PCs, DH Labs and Silnote SCs.) The current amp is a very fast and very powerful Class-D switching amp with tons of headroom.

The system is noiseless, clean, precise, detailed, neutral. The soundstage is huge, holographic, and immersive. Live recordings are the bomb. Sometimes it seems a bit sharp or harsh, but that's often the recording or the room. Overall, soft and sensuous, it ain't, but I can hear every note and breath.

I've heard some denigrate a different switching amp -- "I can hear the switching." This from a tube guy. I'd prefer not to get into any Class-X wars.

A local dealer is suggesting I look at Bryston, a classic match for Maggies, I'm sure, but he also suggests that the Bryston can be somewhat two-dimensional. His solution is a Levinson 532H, which he holds as more three-dimensional than Bryston.

Or, he has a demo Acoustic Research Ref150. Somehow, I doubt I'd like to go with tubes, due to the sonics, the expense, and the 'hassle' of dealing with tubes.

All of the prices mentioned are more than I'd like to spend, but I've gotta deal with that part of it.

So, I'd love to hear recommendations.

And... how does one audition amps when they live in an area of so few B&M audio stores?

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rhanson739
Rhanson739, no harm intended. I am finding it odd, that in your original post, you did not mention the need to replace your amp, because of faulty and reliability issues. The amp, on a sonic standpoint, seemed to do everything you wanted an amp to do for you. Unless I missed something in my readings, you withheld the name of the amp manufacturer( not critical), although you mention it to be a very powerful Class D amp. Without the use of a preamp, via your associated equipment listing (also mentioned by Bigkidz), you might be running into an impedance mismatch, or, too low of a voltage gain, this amp requires. I understand the reasons of not using a preamp, but I also understand the benefits of using one. I am just wondering, if, Magnepan, knew of your problem/situation, as well as the amp manufacturer ? I do not know of any of the new, very large, Class D amps available, based on my readings, that would not drive your Maggies. Even some of the high powered Class D pro amps should drive them. How they sound, that is another story. Thank you, Mr.D
Mr D,

I did not mention the manufacturer because I did not want to disparage them. While they make a good product that many enjoy, I have not had the luck of the draw in terms of reliability.

Nor have some others. I am curious about, and under informed about, any voltage or impedance mismatches that might be occurring here, but I will say that my issues have been reported by others who own the same amp, so perhaps my problems are not that unique, nor related to my setup.

Magnepan does not know of this issue.

I would truly love it if someone could look at the specs of my system and say, "There! no wonder!", but no one has pointed to anything obvious.

Can you?

It could just be that this amp is prone to failures. I'm certainly not the only one to experience exactly the same issues.

As for true solutions, I'm all ears, and willing to be educated about it.

Thanks. I hope you can provide some insights.
Rhanson739, as knowledgeable and experienced as I am, or, think I am, with this hobby of recorded music listening, I do not have a recommendation for you. I will say, as my finances, and my life (in general) are not what they once were, I no longer own very expensive equipment. When listening to speakers, it is, imhi, that unless one designs a listening room, with the utmost care ( sometimes from scratch ), to get near perfection, with a particular set of speakers (same with home theater), the miniscule differences between a moderate priced amp and a mega buck amp, is senseless. I have been there, and I have done that. The equipment thing, that is. I was never so fortunate, as to have the real deal, in a room design. However, I had many clients, and friends, who have. A better room/speaker/listener set up, will always bring more musical satisfaction, to me, and them, than spending more money on equipment, especially amplification. Again, this is imo and experience. I am a music listener first, and an audiophile 2nd. What this means is, I want the musicianship, within the recordings, to show up 1st. I want the playing, to start, and stop, on a dime, and cohesively. I want the players to perform, together. I want to capture the proper tone and weight, of the voices and instruments, before I can pinpoint where they are, in front of me. Did I mention dynamics. Live, unamplified music has it. So many mega systems I have listened to, fail, in what I am looking for. Mind you, I am not suggesting I hear better than anyone else. I just know what I am listening for, to please me, something that has taken many years to get to. In a way, I am lucky. I know I am blabbing. The fact of the matter is, if a speaker/room/listener situation, is better to begin with, the cost of the amp is less important, because, in the end, the subtle differences in amps are not as beneficial to a properly set up room. Those that can afford to do both, more power to them. My system, and my room, really does it for me, as again, I am a lucky listener. MrD.
MrD.,

I've read and reread what you wrote. I agree that the room is the most important "component" in a system. My experience has taught me that the dimensions of the room and how difficult the speakers are to drive can create significant differences between amplifiers, if the amplifier isn't capable of driving the speakers. I say, "think of how big your room is, the sensitivity of your speakers, type of music you listen to, how loud you listen, your preferences, and your budget." I guess my 25 years of experience has given me a different perspective than you. I feel more than ever, "if you have the money" and those so called "subtle" differences mean something to you, than spend the money. Details and subtle differences are what usually cost more money no matter what the hobby is!
Ricred1. Subtleties in a better amp, are audible, but, cannot eliminate problems in a room. If anything, it would amplify them, no pun intended. There are many $2-3 K amplifiers that have the "beef" to drive the 3.7s, to realistic levels, without the panels being the weak link. I did say, go for broke, if you can, just acknowledging the importance of the room. Sorry if I was unclear. I also feel, a better front end (source), generally gets you more musical information. My comments were based on the use of the 3.7s, in particular, but, do carry over to all speakers. They do, however, dictate the room size, positioning, acoustics, and all else that you mention. More so than many speakers. Keep in mind, I own, and listen to, very efficient, and, dynamic speakers. Just enjoy ! Mr.D.