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AudioSource Amp One/A 2-Channel Amplifier
AudioSource Amp One/A 2-Channel Amplifier

Product Rating
3.82 of 5
28 reviews

Price Range
$131 - $169

Product Description

200w total power bridged 80w RMS per channelstereo Separate channel-level controls 20Hz20kHz, 110dB S/N ratio Line in RCA jacks, line out/through jacks Toroidal power supply: less than 0.04% THD Stable into 2 ohm loads Bridging switch for high power mono amplification 5-way binding post speaker outputs 16 1/2'' x 2 1/4'' x 11 1/2''.


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Written By

Michael Price

From

Gaithersburg, MD, USA

Date Created

01/07/2002

Summary

I purchased this amp used from Ebay to go with my low-cost sound system using Adire Kit281s (DIY speakers). I have not used any other amplifiers with them, but I have not noticed any faults with it. I've tested it up to pretty insane volume levels (at which the VU meter says about 6 watts).

First, one of my VU meters is a bit unreliable, it tends to get 'stuck' above 0.2 watts. The lights also flicker during loud passages. I know they're very cheaply built, but they're just a gimmick (a very cool one at that) and it's not that important. My money paid for the sound, not the VU meters.

The sound is excellent, very natural sounding. Music retains its 'brilliance' and soundstaging even at low levels, but sounds much more clear and well-seperated when cranked to a significant volume (near halfway). I have noticed some harshness, but I assume it is due to my speakers still breaking in (others who have my speakers have also agreed they are harsh before break-in).

I apologize for not being able to seperate the characteristics of the amplifier from my speakers, but this is not a large investment and it works perfectly. I'm very happy with it.

While some parts of it may be cheaply built, and the VU meters are unreliable, this amplifier provides very good sound quality with ample power, on a budget. I recommend it for a low-cost stereo system which may not even need a preamplifier (I don't have one, I connect it directly to a Denon DCD-1520 CD player).

System:
Audiosource Amp One (1994)
Denon DCD-1520 (1989)
Adire Kit281V (new, DIY)
Cheap homemade cables

Strength

Clean sound, excellent soundstaging, adequate power (using 4 ohm speakers), VU meters

Weakness

Heats up significantly after heavy use, unreliable VU meters, cheap connections
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Written By

john crocilla

From

chicago,il,usa

Date Created

12/03/2001

Summary

garbage pure garbage.in my system there were 3 amp ones.my friend is an electrical engineer/he tested all the rated specs of all 3 using top of the line test equipment only to find that they are not genuine.power meters were not accurate,distortion level ratings were not true,they all ran hot even with adequate ventilation,power meter lights blew out 2 times on all 3!!!!!!!!cheap and hard to get to rear speaker terminals,power meter lights tend to pulse with the amp up loud.bottom line......untrue specs/absolutly filthy output transisters,garbage amps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Strength

good looks

Weakness

amp specs not true
Visitors rate this review 1.00 out of 5 after 4 votes
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Written By

Greg

From

Montgomery, AL

Date Created

11/25/2001

Summary

Good for stereo but I don't like it as a sub amp.

Strength

Price

Weakness

It clips and cuts off pushing my DVC 12 in bridged mode
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Written By

Jack Daniels

From

Richfield, Utah, USA

Date Created

11/20/2001

Summary

Very clean amp! I use it bridged into my 12" subwoofer for my 2ch system. 2 ohm stable and rocks pretty loud and clear. Once in a while you will notice the power light dim at high volumes bridged but other than that, I love it. I actually traded an AMD K-5 133mhz computer I built from scrap to a guy that owned an audio store, brand new with warranty. You really have to watch this amp though, I haven't had it kick off yet but you can really start to smell the amp heating up inside, I am on the quest of finding a way to rig up a cooling fan for it. Thanks for reading my review. -Jack

Strength

Lots of RMS power

Weakness

really have to turn the volume knobs up, no bass or treb settings. Gets very hot when bridged and played for a long time at high volumes.
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Written By

Rob

From

NY

Date Created

10/25/2001

Summary

I bought the Amp one/A to use with a yamaha c-60 preamp i picked up on ebay, until I have enough money saved up to get a new B&K. For the price, I don't think there is a better amp out there in this range. Suprisingly very clean sounding for a lower cost amp. I'd recommend it to those who want good sound, with a budget to keep

Strength

Clean sound. Price. Bridgeabliity.

Weakness

Bass output could be better
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