SINEWAVE G33D 2.1 amp

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I haven't heard that amp, but have considered it. But, the DSP is not directly accessible. You need some extra hardware to access the DSP. I think it's about 80$. Be sure before you buy. When I requested information I had to buy the USBi interface, and then the good deals was gone I think.

look at the end of the link.

SigmaDSP Evaluation Boards | Analog Devices


Ok., I also send them email and they told me something similar:


"thank you for your message here!
about G33d, all the DSP cell confirmed by computer software, it is download to DSP unit, you can not change its value.

If you want to change it EQ or crossover, you must have USBI downloader from ADI company.

Best Regards
Freya"

it is pity that this amp is not that popular and there is no feedback from anyone at all... I guess the high cost is a major factor.
 
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Hello EugeneF ,Kjeldsen right.

About G33d, all the DSP cell confirmed by computer software, it is download to DSP unit, you can not change its value directly.

Most of the customer are not professional enough , it is very diffcult to clear all the DSP cell details with ADI sigmastudio sfotware, only some proaudio man can drive it smooth, we are recommand to use current setting.

If you want to change it EQ or crossover, you must have USBI downloader from ADI company.and use ADI sigmastudio software to debug all the DSP cell value.

We strongly recommand to tell us your requirement details, or you can draw one rough sigmastudio project, we will help you complete all the setting.

Current amp have two functions can be selected, 2channel or 2.1 ch mode.

main DSP run under 96Khz/24bit, each channel have applied EQ and LIMITER , with 2.1ch mode , default crossover frequency can be changed from 40Hz-250Hz by rear panel POT.
 
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The TI TAS56xx generally sound good

Aliexpress.com : Buy 4CHANNEL 1200W DUAL TAS5630 High Field CLASS D Amp V1.1 from Reliable field tent suppliers on SINEWAVE SAMPLE STORE

You can also find TDA8950 based boards.

free shipping Assembled TDA8950 2.1 amplifier board with protection-in Amplifier from Electronics on Aliexpress.com | Alibaba Group

these are lowpriced product. If you will try something of higher quality you should go for Hypex og ICEpower.

If you are not really into DIY, then you can find Behringer fanless 4 channel class d amps, for very little money.

Personally I use TAS56xx (Panasonic SA-XR55) right now, but also have TDA8950th from connexelectronic. For the price it's hard to beat the TDA8950th amplifier.
 
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