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I have a Breeze tpa-3116 that sounds nice in my computer setup. Better than the Dayton Tripath I had been using. However, with my Quartets in the main system it sounds pretty bad. I've read that the breeze has excessive gain and that could be the problem with the high efficiency speakers. The Panasonic xr sa50 from my home theater sounds much better than the Breeze.Even though I doubt I'd find one of these boards that would rival my Coda amp I still have the urge to check out new boards. This one mentioned, the volt+ and the TDA-7498 boards such as the smsl sa-98E at 160X2 etc. all have good reports on beating the tpa-3116.
My Favourite TPA3251 based amp.
If you don't need that much power the Volt+ sounds interesting with its capacitance multiplier feature. As for the Coda comparison, you never know, some people think these amps compete very well with high end. But my gut tells me a proper beefy linear power supply might be needed to really go toe to toe with an amp like that.
This guy makes very nice TPA3251 based amps in Germany. However very hard to compete with the engineering experience at Icepower. http://www.360customs.de/2016/10/tpa3255-tpa3251-tpa3245-universal-one-for-all/
It’s the 100AS. Icepower knows what they’re doing. The power supply on the same board isn’t an issue. All class D amps are going that way.
I'm continually impressed by my Icepower 50ASX2-SE, and would like the opportunity to try an 100AS2, but I fear that they're not available to us mere DIY mortals...
Sounds like you got yours up and running (hope the move went well). How's it compare to the TPA?
We've still got both houses, so am spending varying amounts of time in both France and the UK...I've set up my ICEpower with a buffer (http://www.ebay.co.uk/itm/Stereo-Tube-Preamp-Pre-amp-Board-Vacuum-Tube-Pre-Buffer-for-6N3-5670-6H3/291643694133?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649), driven by an RPi3 with Piano DAC in Dual Mono mode, running PicorePlayer - it is noticeably different to the TPA3250 and TPA3251 boards I have. I'm tempted to say better, with great definition, clear base etc, but I really need to do some refined comparisons using the same source.On a practical side, having the power supply on board is a great benefit for packaging. For £17.50, the 50ASX2-SE is an absolute bargain and, I suspect, my 'go to' system...
wushuliu,I just picked up on this thread, so I thought I would chime in here about my latest experiences with the Texas Instruments TPA3255EVM Class D amplifier. I purchased this during the 50% off sale at TI, and then purchased a Mean Well LRS-350-48 switching power supply from Arrow for about $31.
I caved in and purchased another TI TPA3255EVM amplifier at half-off, so I can run the amps in PBTL (mono) mode. I’ll have to get parts to assemble an unregulated linear power supply to power both amp modules with a reasonable amount of current. To implement PFFB, I am waiting on a few parts from Mouser on back-order, but I may check out Digikey to see if they have similar components in stock.
I came across the discussion on these at Klipsch forum recently. Did someone there compare linear PS to SMPS? I'd like to, but that would mean a new enclosure with pre-cutouts for mains, a giant expensive toroid, etc. etc.
3E has been out of his power supply for a while now and he recommended I look into a Meanwell unit. Is the LRS-350-48 the go to or should I be looking at some other options.Thanks so much.
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