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Dayton Audio APA150 150W Power Amplifier

Brand:| Model: APA150
Product Video
Overview
Dayton Audio's versatile APA150 power amplifier delivers 75 watts per channel in its full-range stereo configuration, or 150 watts into 8 ohms when in bridge-mono mode. A built-in, switchable low-pass filter also makes the APA150 a great subwoofer amp!
Highlights
  • Virtually noise-free fan operation for near field applications
  • Sleek modern design looks good in any audio system
  • High current, discrete output transistors that run cool and quiet
  • Adjustable 50-150 Hz low pass crossover gives you the room control you need
  • Gold-plated 5-way binding posts that accept up to 8 AWG wire
Part # 
300-812
Weight: 13 lbs.  
IN STOCK
List Price$209.99
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Your Price
$158.88
Part # 300-812
Qty:  EA
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Product Details

Dayton Audio APA150 150W Power Amplifier

Amplifiers today need to be multi-faceted to keep up with the task at hand, and versatility is the foundation upon which the Dayton Audio APA150 is built. When configured in stereo mode, amplification is provided to a pair of speakers for stereo or surround playback. Select bridge-mono mode and the APA150 is ready to power a center channel speaker, or a subwoofer/tactile transducer when used with the on-board low pass filter. Full-range line-level outputs allow for daisy chaining amplifiers for a multi-room whole house audio system or for bi-amp applications. The APA150's smaller chassis consumes less space than conventional amplifiers, making placement options virtually limitless.

Key features of the APA150 include high current, discrete power transistors (used in premium amp designs), a hefty toroidal power supply transformer, low-noise forced air cooling, a fully adjustable—and defeatable—electronic 50-150 Hz low-pass filter (18 dB/octave), and complete protection against electrical shorting and thermal overload. Also included are auto-on/off, silent turn-off with no audible transient, gold plated RCA inputs/outputs, and 5-way binding posts.

Features and Specifications: • Measured power output: 2 x 75 watts RMS (into 4 ohms @ less than 0.01% THD) • Signal-to-noise ratio: greater than 100 dB • Class A/B design topology • Input impedance: 47k ohms • Auto-on sensitivity: 3 mV • Voltage requirement: 120/230 VAC, 60/50 Hz • Dimensions: 5-1/2" H x 6" W x 11-1/2" D.



Product Specifications
  • Power Output (RMS Per Channel @ 8 ohms)50 Watts
  • Power (RMS/Channel 8 ohms)26 - 50 Watts
  • Weight Range10 to 19 lbs.
Dayton Audio APA150 150W Power Amplifier
  • BrandDayton Audio
  • ModelAPA150
  • Part Number300-812
  • UPC844632061523
  • Product CategoryAmplifiers
  • Unit of MeasureEA
  • Product Rating
    (133 Reviews)
  • Weight13 lbs.
  • Case Qty2
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Dayton Audio APA150 150W Power Amplifier
Dayton Audio APA150 150W Power Amplifier is rated 4.4962 out of 5 by 133.
Rated 5 out of 5 by from Excellent Amp - Ridiculously Low Price!I purchased my APA150 during the 2013 holiday season and have been enjoying it ever since. While it may not be as good as the best amplifiers I own (which are much more expensive) this integrated amplifier faithfully honors the music.That is to say that it adds nothing unpleasant to the music, and as such, errs by omission as opposed to commission.It is a nicely built, compact piece of hi-fi gear that has this audio enthusiast wondering why I have spent so much money on audio amplification in the past.When driven by the music software in my netbook computer, the APA150 easily drives my 1980's Linn Kan I bookshelf monitors to very loud levels. The APA150 is rated at 50 wpc into 8 ohms when used as a stereo integrated amplifier, which works quite well for powering any computer monitor or bookshelf speaker that I can think of.The APA150 is easily worth its $200 list price and was a bargain at the $125 price I purchased in at on Partsexpress.com during the 2013 holiday season.Highly recommended!
Date published: 2014-02-18
Rated 5 out of 5 by from Excellent Amp - Ridiculously Low Price!I purchased my APA150 during the 2013 holiday season and have been enjoying it ever since. While it may not be as good as the best amplifiers I own (which are much more expensive) this integrated amplifier faithfully honors the music.That is to say that it adds nothing unpleasant to the music, and as such, errs by omission as opposed to commission.It is a nicely built, compact piece of hi-fi gear that has this audio enthusiast wondering why I have spent so much money on audio amplification in the past.When driven by the music software in my netbook computer, the APA150 easily drives my 1980's Linn Kan I bookshelf monitors to very loud levels. The APA150 is rated at 50 wpc into 8 ohms when used as a stereo integrated amplifier, which works quite well for powering any computer monitor or bookshelf speaker that I can think of.The APA150 is easily worth its $200 list price and was a bargain at the $125 price I purchased in at on Partsexpress.com during the 2013 holiday season.Highly recommended!
Date published: 2014-02-18
Rated 4 out of 5 by from Nice little amp for the price !This is a great little amp. I have it hooked up to my iMac and some Bose Acoustimass "cube" speakers with the Bose subwoofer and it sounds great. Plenty loud for this application, for me. Like many of the other owners though, I too am having problems with the "auto on/off" function. The amp keeps shutting off, so I boost the input volume and the amp comes back on but then shuts off again later on. I would have rated it 5 stars had it not been for this. Since I'm on my computer pretty much everyday, I just leave the amp on all the time now and it barely gets warm at the volumes I use. I've had it turned on and running now for about 2 months. I might try hooking up this setup to my TV next and see how that performs. Very happy so far with the sound of this amp and the quality of construction for the price.
Date published: 2014-02-08
Rated 4 out of 5 by from Very good for the moneyI purchased this amp so that I could use my existing rear-channel amp (Parasound 275) bridged in mono to get more power to my center channel. For the price, this amp is hard to fault. Bear in mind, however, that the 2 x 75 watt rating is for a 4 ohm load. I was using the Parasound to run the rear channels before. The Parasound is rated at 2 x 75 w @ 8 ohms and 120 w @ 4 ohms...a huge difference.My rears are Energy RC 10s, rated at 91 db, so I figured the Dayton amp would be plenty. I was wrong...it has just enough power to get the job done, and no more. For music listening, I keep the amp's volume (gain) control at the 12 o' clock position, and for music I turn it all the way to the right. It has about 1/2 the power and volume of the Parasounds, as the ratings would suggest. Please don't think I'm being critical here...the Parasound is nearly four times the price, and has higher current reserves.Sound-wise, I was missing a lot of detail I had previously enjoyed. I switched out my Signal Cable Analog Twos for a pair of Signal Cable Resolution Reference (silver) cables, and the clarity, detail, and punch of the Dayton Amp came alive...very close to the Parasound. I would prefer more power; say, double. But still this is a lot of amp for the money. It is well built, and looks like a much more expensive amp.A couple of quibbles, however: When I first opened the box, the amp had a distinct "burnt" smell, almost like an electrical odor (which, of course, would definitely not be the case, as it had not been plugged in). The smell is almost completely gone now, and I would guess it is related to a plastic or glue of some kind. The other quibble is the blue light, which is distractingly bright, particularly when the amp sits high on a component rack, as in my configuration. I solved that problem by taking two self-adhesive round felt pads and poked a sharp hole in the middle of them with an awl. I then stuck the pads together and put them over the light, and, "voila"--the distracting blue light became a muted "dot" instead. If you don't need a lot of power reserves, this amp will serve you well. It is one of the best values I have encountered in hi-fi.
Date published: 2014-02-06
Rated 5 out of 5 by from Excellent!Working exactly as I expected. Definitely worth the purchase!
Date published: 2014-02-06
Rated 5 out of 5 by from NICE UNITNeeded a fill in amp while my NAD was in the shop. Couldn't live without my music. Wanted an inexpensive amp to hold me over. This filled the bill like a charm! Only one input but connected to my internet radio component unit and wha la la!It sounds great! Will use it down the line in the future. Don't hesitate! Parts Expr4ess is a great outfit too.
Date published: 2013-09-19

Product Q&A

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Dayton Audio APA150 150W Power Amplifier

i have a 10 inch subwoofer and i want to connect it to my laptop in my room. can i do this with this amplifier and if so, how would i do so?

Asked by: jeremyb
Yes, you can -- this amplifier is perfect for that application. Connect your laptop's line out jack, using a stereo 1/8" mini plug to RCA pigtail-type adapter, to the line inputs on the APA150. Next connect your subwoofer's + wire to the LEFT + terminal of the amplifer. Connect your subwoofer's - wire to the RIGHT negative terminal of the amplifier. Check the manual to see whether you should set the amplifer's mode switch to MONO.You'll now have the full bridged output of the amplifier feeding your woofer. However, connecting anything into the line out jack of your computer will mute its internal speakers, so you will have to connect a second amplifer to the APA150's LINE OUT jacks, and connect the second amplifer to a pair of full-range satellite speakers.Set the HI-PASS frequency on the APA150 for the best blend between your subwoofer and satellites.Also, use caution if the impedance of your subwoofer is less than 4 ohms, otherwise the APA150 may overheeat and go into protection mode and shut off to cool itself down. It will restart once it has reached normal operating temperature.
Answered by: Sarge
Date published: 2013-01-12

Hooking up 2 passive subs?

I just ordered this amp to power 2 in-wall Goldwood GB-1000 passive subs that each handle 60 watts (which you can find here at PE). I figured that since this amp has 2 75 watt channels, I should be good with just the single amp. I'm assuming that I could configure this is to have this amp set to Lowpass and adjusted to close to 50Hz, switched to stereo and one sub hooked to the left speaker outputs and the other to the right. But since the subs are each 8 ohm, should I bridge it and run the subs in series with it switched to mono? I'm assuming it would be best to bridge and run in series, but can someone confirm this? Oh, and if I run in series at mono, I'd have left positive running to the first sub positve, it's negative running to the second sub positive and the second sub negative coming back to the amps right negative, correct? Since it has the mono and stereo switch, I do NOT jumper the back of the amp left negative to right positive, correct?
Asked by: SurfingInCrosby
Connecting the subs in either of the configurations you mention will produce the same power output, and thus sound pretty much the same.With each sub on its own channel, they will each be getting about 40W. This is because the amp can produce 75W on each channel into 4 ohm loads, so with your 8 ohm subs, the power output will be slightly more than half of 75W on each channel (it will be slightly more than half, rather than exactly half, because of the finite output impedance of the amp). So, the total power output in this configuration will be 80W.Connecting the subs in series will give a load of 16 ohms to the amp. In bridged mode, this amp can produce 150W into an 8 ohm load, so with a 16 ohm load the output will be, again, slightly more than half, or about 80W.So, both of these configurations will be essentially identical, and electrically they are virtually identical. Electrically, there's really no advantage of using one config over the other. Also, I can't think of any better configurations for your situation. If the subs were connected in parallel then they would give an effective load of 4 ohms, so you could put them together on just one of the amp channels, but that would only give you 75W total, so slightly less than the above configs. Putting them in parallel and then connecting them to the bridged output would give you tons of output power (somewhere around 250W), but that would most definitely burn out the amps very quickly because in bridged mode the amp's minimum load impedance is 8 ohms.And you're right, because it has the mono/stereo switch, there is no need to jumper the other outputs.
Answered by: eboyer
Date published: 2011-12-30

Is this product right for my project?

I'm running a Apple computer and have several Air Ports throughout the house for whole-house-garage-patio sound. My next room to add sound is my bathroom. I want to put this unit in the closet next to the bathroom along with an air port. Then run speaker wire through attic to shower where I will put in two ceiling speakers (waterproof)I like this product for the "auto" on off but have seen a few reviews that it doesn't work all that great. But don't want to have to power everything up each time I want to have music in the bathroom.Lastly, if this is not my best option can you please point me in the right direction.Thx
Asked by: Doug in Arizona
If you find the auto off /on don't work well then do what I did. Run a 115 volt line off the bathroom light to the closet outlet that will turn on the unit when you turn on the light switch.
Answered by: Bass4worship
Date published: 2013-01-03

Is this amp the same as Emotiva BPA-1? Sure seems the same.

Asked by: gkrr1
I wanted to respond to Nitnub's answer.Emotiva is still very much in business. They are still not very well known - but their popularity is growing. Their BPA-1 however was discontinued long ago (perhaps their first amp?).Impossible to know if the APA150 has same internals or not without owning both (I own a APA150 as well as other Emotiva gear - but no BPA1. Emotiva is actually owned by Jade design which supplies amplifiers for a great many other companies. Good chance it's nearly identical. My guess is same design (other than button) but slightly different components (cap mfg, ratings, etc)
Answered by: James30
Date published: 2013-10-01

Is it possible for the APA150 to drive two Dayton Audio sub speakers in different boxes?

I would use two tower boxes I already own for two Dayton Audio SD215A-88 8" DVC Subwoofer speakers and relate 8" passive speakers. I wonder if is there any way to avoid buying two APA150 to drive them... thanks.
Asked by: Maramao
Yes, you can drive both SW's with one amp, if the impedance of the SW's is not too low for the amp.Parallel wiring will reduce the SW's impedance, series wiring will increase it. Use the wiring method safest for the amp.
Answered by: Doug76
Date published: 2011-11-28

I have 4 - 4 ohm mini butt kickers and want to hook up to this amp.

What settings would I use to set up the amp and how would you suggest wiring the speakers for max power?
Asked by:
Wire your butt kickers as two seperate sets in series and wire one set to the left channel and one set to the right channel. For settings on the amp leave it in stereo and flat if you are using a sub out from a recevier, otherwise set it to lowpass and whatever crossover frequency you wish.
Answered by: mtg90
Date published: 2012-02-15

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