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Carver Pro ZR1600

Two of the three amps I ordered for my multichannel setup arrived today so I had to do a quick checkout driving the MG1.6 fronts and center. WOW. Everything you have heard about these amps is true. Perhaps, as others have said, they are particularly well suited to Maggies.

I did have a slight hum, as others have experienced, but activating the "ground lift" switch totally eliminated it. The amp is set up for balanced line input, and I suspect that the hum problem happens when you use a single ended input signal. (Not really a problem because the ground lift switch fixes it). The fan noise would be anoying if you can't put the amp in the cellar as I do. It is reported that in home audio applications you can disconnect the fan without overheating the amp. There is also a mod offered which replaces the fan with one that is much more quiet.
eldartford
sean
6,231 posts
 
El: I've got over 1400 wpc rms driving some 86 dB 4 ohm speakers. I don't know how your maggies would respond, but i know that this is how i was finally able to get my speakers to sing. I know that Mike aka Magnetar over on AA was using Classe' M700 mono-blocks ( 700 @ 8, 1400 @ 4 / 3 dB's of dynamic headroom ) to drive his Maggie 3.5's, which were slightly older but more expensive models. From what i can gather based on the path that he took after this, i don't think that he found this to be "dynamic" enough for him. As such, you better order another amp or two : ) Sean
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eldartford OP
4,262 posts
 
sean...I think I will stick with 600X6 for a while (for the fronts). I also have biamped rears (misc amps) to annoy the neighbors.

I find curious the way that speakers, Maggies in particular, respond to very high powered amps. I know that the actual power level is nowhere near the ratings of the amps, but something about them is very helpful...Ed
unsound
7,370 posts
 
I had a friend whos had a nice system that started out with 200 watt monos on each side. He then got another pair of 200 watt monos, sent all 4 amps back to the factory to be "calibrated". The speakers dropped to 3 Ohms and were 91 db sensitive. It wasn't just an increase in volume and power, it was amazing how the speakers bloomed, the soundstage became more holographic and took on an effortless ease with the extra pair of amps. 1200 watts per side @ 3 Ohms into 91 db speakers. For the life of me I can't explain the gains in improvement. Perhaps the amps stayed in class A longer before sitching over to class AB?
twilo
357 posts
 
How does this Carver amp compare to the Spectron Musician amp or the Bel Canto.
eldartford OP
4,262 posts
 
I was wishing for the Spectron amp, but the price tag for 6 channels is a bit steep. Three stereo Carvers cost about 1/3 of the cost of the 6-channel Spectron, and having the amps in three units is more convenient for me.

The Carver and the Bel Canto (I have heard) use a basic digital amplification control module made by an outfit called TriPath. (You can get complete technical details from their web site. The Carver amp schematic is also available on the Carver Pro website). The TriPath amplifier has some theoretical advantages over the Spectron design, but these don't necessarily translate into audio quality.

I agree with many others who have tried the Carver that it sounds great. The other digital amps may also sound great, but the Carver is the one that you can afford to try.
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