Onkyo M-282 2-Channel Power Amplifier

Onkyo M-282 2-Channel Power Amplifier | outstanding 2-channel amp

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Onkyo M-282 2-Chan...

	Onkyo M-282 2-Channel Power Amplifier Onkyo Onkyo average customer review:based on 15 reviews view larger image
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highly recommended

Great quality amp

I bought this amp to drive a passive homemade sub and it has done nothing but please me. I'm running it at 4ohms to each channel, and it pumps out serious power. Despite the lower resistance, its heat dissipation is lower than my receiver. I do not believe Onkyo's numbers for this amp, they have to be higher. When I hooked it up to my main front speakers, it revealed an exellent range of frequencies at any volume. This piece is a great example of Onkyo quality for a low price, I'm still curious as to why they discontinued it.

outstanding 2-channel amp

I bought this 2-channel amplifier to drive a pair of in-ceiling speakers in another room. For my application, this amp is perfection. I'm certainly glad I didn't buy the similarly-priced but much-less-powered unit from Audio Research.

The output power is phenomenal - noticeably stronger than the 150w per channel output spec from my Sony ES reciever. Either Yamaha is being conservative or Sony is misleading. The sound quality is very clear, low noise, and free of distortion even at loud passages. Frankly I'm stunned at the performance for this low a price point.

This unit is beautifully finished, and looks at home with the rest of my components. It's actually smaller than I expected as well. The front of the unit has a hard power switch, and a standby/on indicator that is red on standby (soft power off) and orange when on.

The rear of the unit has a 2-channel RCA input, a 2-channel RCA output (passthrough), one set of speaker connectors (accepts banana-type and wire), a 12v trigger input, and the power cord input. There is an input level adjustment (essentially a volume control) but in my application, I found it best to set this at maximum volume and let my in-wall volume control adjust the level. There is also a switch to control auto-power settings: disabled (power is controlled by the front switch), audio (front switch remains on, unit changes from standby to on when audio signal is detected), and 12v (external 12v trigger). There is quite a long delay from power-on to on, and in my setup, I chose the OFF mode - where I turn the unit on from the front when I want to use it. The supplied power cord is quite hefty and probably overkill.

Note that unlike several other reviews here, my unit did not get very hot - certainly far from the heat generated by my Sony ES receiver. Nor did I experience a 60Hz hum when the unit entered standby.

Finally, although some reviews say this unit has been discontinued, it still appears on the official Onkyo web site, and availability seems good. So I would say it's not discontinued.

In summary, this is the "perfect" 2-channel audio amp - highly recommended without reservation. And an unbelievable value for near-audiophile performance.

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AMPed system

I have been using this AMP for the better part of three years. It has never failed, overheated, or given an unsatisfactory performance. It looks sexy and performes like a pro. You will not be dissapointed; I'm not.

Good, But I am glad I did not buy anything cheaper

I was looking for a "cheap" amp to drive my 2nd zone "background" music speakers. My price point was around $200 and this unit has a good look to it, so it would fit in next to my more "up scale" B&K separates.

The Good:
It came double boxed and packed well, (always a good sign).
It has a hi-end look to it, (good fit and finish).
The sound is clear and clean, no hum, or hiss (from the speakers, see the bad)
It makes you understand why you spent 10 times as much for your main amp.

The Bad:
The thing is a space heater even when in "stand by" mode the heat is coming from the inexpensive power transformer.
The two tone LED is red when in "stand by" and a cheap orange when "on" I guess green or blue would be better for "on" for me.
I found that when I turned everything "off" to go to bed the transformer has a 60Hz hum to it that can be heard if you are standing a few feet away.

Conclusion:
It seems like a good amp, and if I compare it to the price I paid for my B&K amp it is a good value. Time will tell if the "budget" components will hold up over time. Because of the heat and hum from the transformer I would suggest not using this unit as part of your main music or surround system. I was going to give it 4 stars for looks and features but the heat and hum drag it down to an average 3.

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Onkyo

Onkyo is a relatively large japanese audio maker.
Onkyo is popular but middle class maker.

Accuphase and Luxman are the best japanese audio makers.

reviews: 1, 2, page 3

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