Please tutor me on some integrated amp basics.


I’ve recently purchased Magico A3 speakers and a VPI Classic 2 SE turntable with an Ortofon Black 2M moving magnet cartridge. I have a Marantz SA 8005 CD/SACD player to play the few (maybe a hundred or so) CD’s in my possession.
I’ve mostly vinyl albums and no streaming sources. I’m next going to upgrade my old amp/preamp purchased back in the late 70’s with a new, probably integrated, one and am starting to do some research.

Here’s where I need some tutoring. A lot has changed since the seventies with the advent of digital technology. As well as I need to learn more about amplification components in the high end of audio technology. I keep running across terms I don’t understand. I’ll give you a list and if someone would be kind enough to explain these basics I’d be obliged.

For instance I was reading about the Hegel H360 integrated amp that Magico’s Alon Wolf recommended for their A3’s. The review mentioned they were a Class A/B amp, another person commented Class A’s were better, and a third person said he didn’t care for Class D amps. What do these classes signify? 

A second question is about DACs. I generally understand their purpose of the DAC, converting a digital to an analog signal. However my only digital device, the Marantz SA 8005 already has a DAC, ostensibly of good quality. The turntable ’s Ortofon cartridge would not need to play through a DAC, I presume. Would I bypass the CD’s players DAC if I purchase the higher quality Hegel H360 integrated amp?. Or could I find an equivalent integrated amp without an integral DAC?

On the other side of the equation I understand the turntable’s cartridge cannot play through the Hegel without first going through a phono stage. My old Phase Linear 4000 preamp you just plugged the turntables RCA cables into the back of the preamp and you were done. What’s that about? Do they make equivalent integrated amps to the Hegel H360 with integrated phono stages already in place, so I can just plug my turntable in as I’ve been able to do before. The amps don’t seem to be well integrated at all if you have to add a pricey phono stage to make them work, and end up having an extra DAC. That’s just me whining.

Third question is what are monoblocks, how are they used, and what are their advantages to a system? They were used at one of my speaker auditions.

I figured out the answer to what amplifier damping was myself, so I’m sparing you that one, but what does the term impedance mean? I keep coming across that.

Thank goodness I don’t have to figure out the cabling nightmare yet. Thanks for any help.

Mike
skyscraper
I have nothing against prices of cables being whatever someone wants to pay for them, but selling them does seem like a good business. I wonder how many cables are actually sold yearly. It cannot be too many. To sustain so many manufacturers/sellers, it must be a nice profit margin. I think that is what irritates many opponents. I could not construct a cable myself, short of buying a lamp wire and screwing it in a banana plug, so I have to pay. It is acceptable to me, at least to some extent.
Anyway, $2k - $3k for speaker cables that will last at least 25 - 30 years is nothing compared to the cost of some MC cartridges that you have to replace every 2-3 years. Now that's robbery. But they are paying those prices, I am not and will not. On the other hand, paying $25k for a great amp that may last a lifetime is perfectly fine with me.
Speaking of Purist cables, I heard rumors that Neptune is the most popular model. I can understand that. Performance level is very high even if not the highest, the cost is moderate for higher end systems, and fluid cables have certain qualities that I doubt you can find to the same degree in any other cables, including Purist's top models.
Ieales, I double-checked, and Audio Advisor does make the no frills in the Rocket 88 too, listed right below the Rocket 44 picture on their site. I don’t think I’ll be getting it anyway, but thanks for checking and finding a potential costly. mistake there.

Twoleftears, the Duelunds are added onto the list. Thanks.

Inna, I was quoted roughly 10% off retail by your recommended dealer. Not bad, thanks. Your Purist Audio Design Museaus Luminas are now the front runners on my short list, coming into the home stretch. I’m still keeping my eye open for used high end products like pricier Transparents, upper end MITs or Purist Audio,, but you don’t seem to find many of the better very pricey ones used for bargain resale prices, maybe because audiophiles hang on to them.

Glupson, I’ve looked at cross sections of some company’s wires and they do look exactly like twisted lamp cord, with the same gauge, and sometimes they don’t even bother to twist it. This might be a potentially semi-profitable business model for you.

Unlike straight wires, most politicians and corporate leaders are naturally twisted. I’m also speculating the same persons who own these audiophile cable companies and name the cables, are the same highbrows who own and name their Westminster Dog Show entrants. You have to admit the names are identical.

Mike




skyscraper

Beat away my Audiophile friend - I have been against buying products made in china for a long time now. It is good to have a partner in crime so to speak.  There are too many excellent products that are made here in America, as well as, the EU and Japan!  Happy Listening!
ieales

I enjoyed reading your thread. I can relate to the 1980's period as this is the point that I discovered home hifi (more like mid-fi) for a teenager.
I believe that we all started out with Monster Cable at some point. In the late 90's I discovered Transparent Audio cabling and during the early 2000's settled on the Super MM2 interconnects, speaker cable systems.

Happy Listening!