Emotiva Audio A-700 BasX 7-channel Power Amplifier, Black
- Plenty of clean power - 110 watts RMS per Channel into 8 ohms; two channels Driven, 20 Hz to 20 kHz, < 0.1% THD (80 watts RMS per Channel, all channels Driven).
- Great sounding class a/B output stage - ensures smooth, detailed sound and incredibly natural imaging - without a trace of harshness or strain.
- Top quality parts and construction throughout - promise years of reliable service.
- Heavy duty insulated five-way speaker binding posts - allow you to use a wide range of speaker cables with bare wires, lugs, or banana plugs.
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The Emotiva BASX A-700 is a high-quality Seven-Channel power amplifier that delivers True audiophile sound quality at a price that everyone can afford. The BASX A-700 is the ideal choice, whether you're pairing it with a pre/Pro to create a New surround sound home theater system, or using it to upgrade the amplifier section of your current a/V receiver. The A-700 class a/b output stage delivers 110 watts RMS per channel of quiet, low distortion, superb sounding audio power; and its understated yet elegant styling will look equally at home in any living room or high-end audio rack.
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The classic Carver M-1t power amplifier, which I was replacing had been serving me well since 1986 but, it had recently begun to produce an annoying hum. The replacement amp I needed however, requires plenty of power to drive my sweet but power-hungry, (86dB @ 4-Ohm) Magnepan "Maggies" (MMGs). So, I did plenty of research and discovered that Emotiva, a U.S. based producer of high-end but "affordable" equipment, had recently introduced a group of entry-level "audiophile" components called BasX. The BasX A-300 is a 2-channel, A/B Class amplifier who's specifications, seemed to provide sufficient power and is now fed & controlled by an older but well-built Emotiva preamp. My music Incidentally, consists primarily of classical, jazz, vocals and classic rock. So, my equipment is frequently pushed hard and I run my Maggies full-range (no equalization or inline processing). Admittedly, I was a bit skeptical but, optimistic that this "affordable" amp could sufficiently power the Maggies but, I trusted the Emotiva brand to take a chance.
I am pleased to report that the A-300 provides wonderfully warm and clean useable power, with absolutely no audible distortion and so far, has never been more than warm to the touch no matter how hard I drive my speakers. The music sounds even richer, softer and more enjoyable and seems to be a wonderful match for my Maggies. I will soon be replacing my preamp and won't hesitate to look in the direction of Emotiva.
Solid built amplifier for a solid price. What the world wants. Nicely Done.
My first concern with this was that using such sensitive speakers (they're 97db!) would magnify any lack of delicacy hiding in this amp's sound. After all, powerful amps are for power-hungry speakers that won't make a big deal out of noise. Plus, the Heresies are fussy about what kind of electronics you use with them. They were made for 10w tube amps and are known to sound best with them. But instead, the sound is tidy and nuanced. I'm very impressed.
The Heresies image and shine much more than I thought they were capable of, while the treble is resolute and well-controlled. The dynamics are excellent, this is great for big band and other highly dynamic music. I was looking forward to the way it would handle loud dynamics, but what I think is equally impressive is how nicely it enables loud and soft to coexist.
I can't speak too much about bass since the Heresies are famously without any, they drop out around 55hz. But I can say that I've been listening to Quincy Jones' Big Band Bossa Nova while writing this and only just now noticed that my sub has been off; I used to notice that right away.
I also use my two-channel system to play video games and it's great there too. Super Smash Bros for Wii U had always come through with a bit of hardness to the sound that I found annoying after a while, but the whole sound seems much smoother on the Emotiva amp. It's very neutral and resolute at high and low volumes. I haven't played Star Fox Zero yet since getting it, but that should be exciting.
As a Class A/B amp, it doesn't generate much heat. Actually, since the Heresy speakers don't take a lot of power, it hasn't generated any heat I can detect in the time I've had it. It does have two fans on the inside (you can see everything through the top of the case) but I suspect they only turn on when it's getting warm. I say it's a welcome feature, I'd rather have as-needed active cooling than have it blow up.
Obviously 150w means there's tons of overhead for any normal listening. But even when it's very loud, it's resolute and powerful, on my sensitive speakers I can't find a listening level where it starts to break up (and it still barely gets warm.) I like loud music anyway, but it stays clean far past listening levels I'll actually use (I checked)
For reference, I'm using this with an Adcom GTP-500 preamp.
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