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Dayton Audio DTA-1 Class T Digital AC/DC Mini Amplifier 15 WPC
How could I add a headphone jack to this amp?
I'd like to use this amp to power headphones, but offhand I don't see any way to do this. Any suggestions?
a dual channel l-pad and two non inductive resistors 500 ohm and a headphone jack , let someone(tech) wire it correctly or use a old style car stereo to amp phono input adapter, soldier a headphone jack to the phono ends , this drops the level to a 1.5 volt peak to peak output , this is the same power level as a pre out on a head unit. You may want to choose an amp that has a headphone output for a few $ more[no hook up hassles]
Date published: 2013-09-20
Too much current draw for power from car cigarette lighter?
This might be a dumb question, so forgive me if I'm missing something...I noticed that this DTA-1 amp can draw 2.75A at full power. I imagine current draw would be much lower under normal use, even in a car. I have no idea what the safe maximum current draw is from a car cigarette lighter. Any idea if it would be reasonable to power this amp from a car's cigarette lighter?
Although it can vary from one to another, I'd say 10A is fairly common for today's vehicle. Most cigarette lighters have a dedicated fuse, so you could always check the fuse diagram for your particular vehicle. At any rate, I don't think the DTA-1 would be capable of drawing more power than a standard lighter socket could provide.
Date published: 2013-11-09
how long would this run on 2200 mah rechargable AAs?
In order to determine longevity on batteries, you have to use maximum power output multiplied by 1.1 (since this amplifier is 90% or so efficient).Maximum power consumption is 33W. Divide maximum power by the supply voltage to find current. With a 12V supply, the current drawn is 2.75A.Your batteries deliver 2.2A per hour, divide the current drawn from the amplifier by 2.2 to find longevity. Under maximum power conditions, your batteries should last 0.8 hours or 48 minutes. This is the minimum time you should expect.Most DTA-1 users are probably using around 1 to 2 watts per channel under normal listening conditions. This changes the longevity to roughly 6 hours.Basically you should expect 1 to 6 hours under normal listening conditions.
Date published: 2013-12-21
Will this accept banana plugs?
I bought a DTA-1 a while back and haven't used it yet. Planning to set it up for PC audio with the 3.5mm cable. However for speaker cable, will it only accept bare wire? I emailed post-purchase and the agent said it will take 16-gauge maximum, so I suspect only bare wire? Thanks!
Unfortunately no, this will only accept bare speaker wire or speaker wire pins.
Date published: 2012-08-21
loud enough with 4ohm speaker?
How much of a differance is a 8 ohm speaker and a 4 ohm speaker? does it make a diffrence in loudness? i want to hook this up straight to my max 35 watt, 4 ohm speaker with my ipod. it must be louder than an ipod dock or similar products. i want to be able to have musice playing for a group of 8-12 people indoors or outdoors. Thanks for the help!
All things being equal, the 4ohm speaker will play 3db louder than the 8ohm speaker.For that many people, indoors it will do fine for background music, but I wouldn't use it outdoors as it's just not enough power.
Date published: 2011-12-22
IF I CONNECT TO LINE OUT OF COMCAST CABLE BOX, WILL AMP TURN ON UPON RECEIVING A SIGNAL FROM CABLE BOX?
No, the DTA-1 amp does not have an auto turn on feature. It requires you to turn it on manually via the on/off volume control. Because of the efficiency of the amp, if you use the provided power supply you could leave it on and power consumption would be near zero until it received an audio signal from you Comcast unit to amplify.
Date published: 2013-12-21