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Texas Instruments TPA3251 vs ICEPower 50ASX2?
- Thread starter villason
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sajunky
Active Member
Read my comment to the FX502SPro. TPA3251 is essentially the same as TPA3250 in FX-Audio with a different cooling design. Not bad, but read this and also other comments in this thread:
https://www.audiosciencereview.com/...-and-fx-audio-fx502spro-amps.5025/post-198894
Because you are asking about 3251, not 2350, you are looking for a higher power. In that case you would need to run two 50ASX2 in BTL mode or a single 125ASX2 in stereo mode (your speakers impedance dependent, of course).
Sorry, I do realise I talk to the same person, lets others come in.
https://www.audiosciencereview.com/...-and-fx-audio-fx502spro-amps.5025/post-198894
Because you are asking about 3251, not 2350, you are looking for a higher power. In that case you would need to run two 50ASX2 in BTL mode or a single 125ASX2 in stereo mode (your speakers impedance dependent, of course).
Sorry, I do realise I talk to the same person, lets others come in.
Last edited:
somebodyelse
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Which TPA3251 boards do you have in mind? The FX502SPro is cheap and seems decent value at the price, but doesn't reach TI's published specs for the chpiset. My guess is that to meet the price point they had to skimp on the inductors in the output filter, and probably elsewhere. TI's EVM will at least meet the specs, but is substantially more expensive even without a PSU. The 3E Audio boards are cheaper and seem to match TI's performance, but we've not seen any 3rd party measurements yet. The cheap boards seem to be concentrating on the TPA3255 instead, and the QuantAsylum test shows they don't meet spec either.
BillG
Major Contributor
You may get more useful answers here:
https://www.diyaudio.com/forums/class-d/?s=2cdc9c3800d08a3029ff61dd4ef5b2c0
https://www.diyaudio.com/forums/class-d/?s=2cdc9c3800d08a3029ff61dd4ef5b2c0
sajunky
Active Member
Sure. Nearly identical question was asked here:
https://www.diyaudio.com/forums/class-d/339596-3e-audio-versus-icepower.html
I do fully agree with the answer given by the user Turbowatch2. This is from a DIY point of view.
You can however find complete amp that looks like FX502SPro, but it has TPA3251 (means more power) for the similar price $47 (without PSU):
https://www.aliexpress.com/item/AIY...Professional-Amp-NE5532-175W/33048883068.html
It looks similar to FX-Audio, except air core coils. I don't know anything about this seller (risk is yours), but they have many products in a similar enclosure and sell a lot other products.
For me however, Icepower module makes a better amp.
https://www.diyaudio.com/forums/class-d/339596-3e-audio-versus-icepower.html
I do fully agree with the answer given by the user Turbowatch2. This is from a DIY point of view.
You can however find complete amp that looks like FX502SPro, but it has TPA3251 (means more power) for the similar price $47 (without PSU):
https://www.aliexpress.com/item/AIY...Professional-Amp-NE5532-175W/33048883068.html
It looks similar to FX-Audio, except air core coils. I don't know anything about this seller (risk is yours), but they have many products in a similar enclosure and sell a lot other products.
For me however, Icepower module makes a better amp.
Last edited:
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