Classic audio parts is currently selling new ICEpower 50asx2 modules with no support at $100. Are these units "plug-in-play"? Or would I be better off buying something like a "class D audio" SDS-258 kit, which is designed for an amateur?
Class D Audio SDS-258 Kit
Class D Audio SDS-258 Kit
These look like winners to me, I have the 200asx and like them very much, if they will ship to Holland I will buy a few!
Thanks for your comment hoka.
I think they would be fairly easy to hook up a stereo amp.
Do you have any experience in hooking the 200asx as a MONO amp (Bridge Tied Load)?
I think they would be fairly easy to hook up a stereo amp.
Do you have any experience in hooking the 200asx as a MONO amp (Bridge Tied Load)?
The 200 is a mono amp so there is no bridging or anything just connect power and in and output and off you go!
does any one have some drowing,pictures, how to transfer icepower from 2x50W to 1x170 ?
how to conect input ?
how to conect speaker ?
thanks
how to conect input ?
how to conect speaker ?
thanks
The module comes in two different versions, stereo or so-called BTL (bridged).
You could brigde the stereo-version the same way all amps are bridged, but it would not give optimum performance regarding distortion.
You could brigde the stereo-version the same way all amps are bridged, but it would not give optimum performance regarding distortion.
Here's the manual for the 50ASX2:
http://www.icepower.dk/files/solutions/icepower50asx2_datasheet_1_2.pdf
I've been playing with the 125ASX2 (I've got extras if people are interested), and they are nice. The input impedance isn't exactly flat though, so a volume pot before the amp can be problematic. See this thread:
http://www.diyaudio.com/forums/class-d/192789-icepower-125asx2-measurements-mods.html
http://www.icepower.dk/files/solutions/icepower50asx2_datasheet_1_2.pdf
I've been playing with the 125ASX2 (I've got extras if people are interested), and they are nice. The input impedance isn't exactly flat though, so a volume pot before the amp can be problematic. See this thread:
http://www.diyaudio.com/forums/class-d/192789-icepower-125asx2-measurements-mods.html
That's why ICEpower recommend an input buffer before the ASX2 module I guess.
I have tested all of the ASX2 modules, and they are very nice, especially considering they are plug-and-play, don't need extra cooling, and they are quite inexpensive.... if you can get them. I still have a few 125ASX2 lying around.
I have tested all of the ASX2 modules, and they are very nice, especially considering they are plug-and-play, don't need extra cooling, and they are quite inexpensive.... if you can get them. I still have a few 125ASX2 lying around.
Thanks for the answers
will use 50axs for bass driver in 2.5way
I'am still not shure how to transfer it from stereo to BTL
here is the graph for BTL
So to make this amp to work in BTL mode I have to have ;
- balanced XLR input ?
- speaker are connected on Ch2 output ?
and one thing that is not mention nowhere ;
I have to disorder some jumper on PCB (sorry don't have the picture of the amp right now, but will post it tomorrow) that transform amp from 2x50W to 1X170W ?
will use 50axs for bass driver in 2.5way
I'am still not shure how to transfer it from stereo to BTL
here is the graph for BTL
So to make this amp to work in BTL mode I have to have ;
- balanced XLR input ?
- speaker are connected on Ch2 output ?
and one thing that is not mention nowhere ;
I have to disorder some jumper on PCB (sorry don't have the picture of the amp right now, but will post it tomorrow) that transform amp from 2x50W to 1X170W ?
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Yoke -
You need a phase inverter, something second nature for us old guys who are familiar with tubes. If you had a balanced input, you already have an inverted phase, but if you are doing single ended inputs, you'll want to build one. I built one from a dual op-amp. The input signal goes to the non-inverting input of one amp, and the inverting input of the other amp. I've got the amps setup for a gain of 2. so one amp output goes to channel input 1 and the other amp output goes to channel input 2 on the ICEPower amp.
You need a phase inverter, something second nature for us old guys who are familiar with tubes. If you had a balanced input, you already have an inverted phase, but if you are doing single ended inputs, you'll want to build one. I built one from a dual op-amp. The input signal goes to the non-inverting input of one amp, and the inverting input of the other amp. I've got the amps setup for a gain of 2. so one amp output goes to channel input 1 and the other amp output goes to channel input 2 on the ICEPower amp.
Stokessd - it's a little difficult for me to track your words, mi mind is more like in off state, but I think I understand it.(it's bean a while sin I play with diy stuff 😉)
so;
- I have digital crossover DCX2496 which have balanced outputs
so I don't nead phase inverter, right 😉 ?
here is some pictures of 50asx2
and here is the bottom of PCB
there is some jumper for SE i BTL mode, which I have to disorder as I drow in second picture , right ?
so;
- I have digital crossover DCX2496 which have balanced outputs
so I don't nead phase inverter, right 😉 ?
here is some pictures of 50asx2
and here is the bottom of PCB
there is some jumper for SE i BTL mode, which I have to disorder as I drow in second picture , right ?
I dont think you can rewire a 50ASX2 stereo to become a BTL. The BTL module is missing som parts compared to the stereo module, at least there is only one output choke.
What you can do is to feed them balanced signal from you DCX, connect speaker to both "hot" outputs, and hope for the best. It will work, but if its any good I cant tell.
What you can do is to feed them balanced signal from you DCX, connect speaker to both "hot" outputs, and hope for the best. It will work, but if its any good I cant tell.
If I recall correctly, the missing components on the BTL module were stripped for cost reasons only. You should be able to use a stereo module for BTL without issues (no guarantees though, my memory may be off 😉 )
/U.
/U.
Yes, am also think, that missing part's a for cost reasons.
will power it in a next day's and see will it burn in flames 🙂
will power it in a next day's and see will it burn in flames 🙂
Small info,
just got replay from ICEpower that stereo version can't be transfer to BTL mode.
Thay say that they are two diferent versions from factory and modification can't be done.
The info come from icepowerinfo (at) bang-olufsen (dot)dk
just got replay from ICEpower that stereo version can't be transfer to BTL mode.
Thay say that they are two diferent versions from factory and modification can't be done.
The info come from icepowerinfo (at) bang-olufsen (dot)dk
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50asx2
Hello,
I have a ICEpower 50asx2 module, SE edition (2x50W) and I found something interesting concerning the sound. I want to know if this is a problem or a normal behavior?
I connect the IN connector of the module either directly to the laptop output or a audio mixer (Phonic AM220) master output. When I move the balance to L or R, I get more bass on one or the other speaker. If I put the balance to middle position (normal), the sound loose some bass. Is this normal? Do I have to make different connections on input of the module? I think it's a simple analog input with L, R and common ground.
Hello,
I have a ICEpower 50asx2 module, SE edition (2x50W) and I found something interesting concerning the sound. I want to know if this is a problem or a normal behavior?
I connect the IN connector of the module either directly to the laptop output or a audio mixer (Phonic AM220) master output. When I move the balance to L or R, I get more bass on one or the other speaker. If I put the balance to middle position (normal), the sound loose some bass. Is this normal? Do I have to make different connections on input of the module? I think it's a simple analog input with L, R and common ground.