Product Description 100 watts x 2 channels into 8 ohms / Input level adjustment / Preamp-level input-output loop / Auto power on-off / Pass-through Onkyo's proprietary Wide Range Amplifier Technology (WRAT) maximizes signal accuracy and resolution A back-panel automatic power-on/off switch lets you set the amp to turn on when it senses an incoming audio signal, or when you power a component connected to the 12-volt trigger input Back panel also offers an input level control knob, and banana-plug compatible speaker terminals Preamp-level input/output loop lets you daisy-chain multiple M-282s, and play the same source in several rooms Dimensions - 5-3/4H x 17-1/8W x 13-1/16D Warranty - 2 Years
Amazon.com Product Description Ideal for quality stereo listening, for expanding your surround system from 5.1 to 6.1 or 7.1 channels to deliver the latest home theater surround formats, and for multiroom setups, Onkyo's M-282 stereo power amplifier makes a powerful and affordable system upgrade. The amp uses Onkyo's exclusive Wide Range Amplifier Technology and pumps 2 x 100 watts per channel RMS into 8 ohm speakers and 2 x 125 wpc into 6 ohms. (For dynamic power handling, you're looking at 2 x 140 watts into 8 ohms, 2 x 125 watts into 6 ohms.)
If you're going for an upgrade from 5.1 to 7.1, make sure your 5.1 surround receiver has preamplifier outputs for 7.1 channels. The M-282 only amplifies a line-level signal; it does not include surround processing or a volume control like a traditional preamplifier or an integrated amplifier/surround receiver.
You can rig the amp to power up when it senses an audio signal or through the use of a 12-volt trigger (standard to automation systems). The receiver also features audio passthrough jacks in case you want to daisy-chain several like components through several rooms for multi-room distribution of your primary listening source.
The receiver uses Onkyo's Wide Range Amplifier Technology (WRAT), which ensures signal accuracy even with high-resolution sources such as DVD-Audio and SACD. According to Onkyo, WRAT eliminates the adverse effects of counter-electromotive force by applying an unusually low amount of NFB (negative feedback), constructing the amp with carefully selected, high-tolerance, wide-range parts in all critical sections, and using innovative circuit topology based on the company's decades of experience building high-end amplifiers. The result? A flat response beyond 100 kHz.
Rear-panel connections and controls consist of a ground (use only if the system exhibits an audible hum), an input-level adjustment, 1 each stereo analog (left/right) RCA audio input and passthrough/output, a trigger setting (audio, 12-volt, off), a 12-volt trigger input jack, left/right speaker outputs with banana-plug-friendly binding-post speaker terminals, and a grounded AC power terminal.
What's in the Box Power amplifier, an AC power cord, and a user's manual.
An indeal solution for low-fi sound of an expensive HDTVJuly 4, 2008 About the only thing I didn't like about my 40-inch Sony LCD HDTV (KDL-V40XBR1) was the undistinguished sound of its built-in speakers. I solved the problem with this Onkyo power amp in combination with a pair of Polk Audio Monitor 40 2-way bookshelf speakers. The audio output of the TV is fed into the RCA-type audio input of the Onkyo amp. I set Onkyo's volume control (placed on the back of the unit) about a half-way point, and control TV's volume with the Sony TV remote. The resulting sound is much better than the low-fi sound from the TV's built-in sound system -- richer and better defined. The Onkyo amp just sits on a lower-level of the TV stand; I don't have to do anything with it. My black Onkyo unit is almost invisible. When I power up the TV, in a few unnoticeable seconds the Onkyo amp's IDLE mode changes to ON mode, and the sound comes out of the Polk speakers. When I turn the TV off, the amp returns to the idle mode. It's as though the Onkyo power amp were built into the TV. I don't detect any noticeable hum from it, and it does not generate excess heat, as some reviewers complained about. For my rather basic needs, this is an ideal solution. I am totally satisfied with this Onkyo power amp.
reliable, outstanding soundMay 15, 2008 I have been using this amplifier for more than 3 years and it has always provided excellent results for me. The sound is clear, neutral and has plenty of power. I use it with a pair of Infinity Beta 20. It may sound a little expensive for an amplifier, but I believe it has excellent value.
Onkyo M-282 2-Channel Power AmplifierMay 3, 2008 1 out of 1 found this review helpful
I just used this amplifier for one day but I must say that it certainly fulfills the need. I needed a "new" amplifier that wouldn't break the bank. I am tired of buying used equipment to save a few bucks initially, only to pay for repairs soon after the purchase.
This amplifier sounds good. It certainly is no giant killer, but it does sound better than any "classic" equipment that costs a couple of hundred dollars more. The sound is balanced. I was afraid the amp might be too bright, but no it was quiet flat. There is plenty of power with 100 watts per channel. I didn't notice any hum from the power supply. I am thinking that the people who experienced hum may be getting it from their AC lines.
Hopefully, this amp will run for many years without problems. If so, I will consider this purchase a screaming deal.
Overall a good ampApril 11, 2008 I use this amp to power two pairs of outdoor speaker via a impedence matching speaker selector (Monster Cable SS-4). Normally, I only use it to drive one pair of speakers at a time but at times I have driven both pairs for extended periods of times. Overall, I am very happy with the amplifier. It does the intended job without a hiccup. FYI: by extended periods of time I mean 8-12 hours.
Here are a few observations:
Hum: I read a lot of reviewers complaing of a hum. I do not hear it. This could because the amplifiers drives outdoor speakers (where there is more ambient noise) or due to "dirty" power or poor cables. I do use a votage regulator and line conditioner and all my cables are by cobalt cable. I also have a Onkyo home theatre reciever and I observe no hum through that either.
Binding post do not Accept spades: This is true of most Reciever/amplifiers. I prefer spades to pin, bar wire or banana connectors.
Runs Hot: This is a characteristic of all Onkyo amplifiers. Read both proffesional and amatuar reviews on both Onkyo and Integra. I have an Onkyo and Marantz Home theatre reciever. Between the two the Onkyo runs hotter. This amplifier is no different. Just make sure you give enough air flow. I do have the amp in a cabinet with 8" of clearence and that seems to be good enough.
Great for the priceMarch 5, 2008 For this price it can't be beat. I have installed two of them as additions into friends home setups over the last couple of years and both are working great. One is paired with a Yamaha receiver and operates off the 12 volt trigger. I haven't had the same issue with it taking a long time to turn on after being in standby. Only gave it 4 stars because of the lack of tone controls. But then thats what the pre-amp is for!
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