class d amplifier

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    Sound characteristics of Purifi based amps?

    Hi guys, I’ve seen a lot of talk on here about all the different amps that are using Purifi modules. I’m well aware that on this site many people love to talk about measurements and I enjoy learning about that, but I have not seen anyone talk about how these amps sound. Would love to hear some...
  2. C

    DIYclassD.com UcD400 stereo (power amp) kit: Electricity consumption & heat measurements

    HiFi-n00b here. After reading various threads (here and elsewhere) about amplifier wattage requirements, and making some detailed spreadsheets about available amplifiers and about my particular wattage needs, and thereby getting depressed (at the lack of consensus/confidence), I decided to go...
  3. H

    FS: Buckeye 4-channel amplifier - like new condition

    Get your Buckeye amp much sooner! I have a mint condition Buckeye NC252MP 4-channel amp available. Being the original owner, this amplifier was bought less than 2 weeks ago and was used all of four times for running Atmos channels. Looking to sell for $827. Shipping is included w/ the price...
  4. K

    Purifi vs Hypex vs ICEPower

    Good morning list, I am currently in the process of upgrading my setup and decided to go along the Class D route for the poweramp. The question is which one to choose, as without an ability to listen to each amp and not knowing the differences in sounding between purifi, hypex and icepower...
  5. J

    SMSL AO200 Subwoofer connection

    Hello this is my first post here, I'm in no way a expert, just trying to learn and not damage my equipment along the way. I'm thinking of buying a S.M.S.L AO200 and have been trying to find out if its possible to connect it to a subwoofer with a high level speaker connection, the reason I ask is...
  6. pma

    Hypex UcD180HG HxR amplifier module analysis and review

    Hypex UcD180HG HxR module analysis and review After buying and testing AIYIMA A07 amplifier (based on TPA3255 class D chip) in January 2021 I was quite disappointed with the frequency response modulated by speaker complex impedance and its audible consequences. This is, unfortunately...
  7. J

    VMV SMSL A2 - DAC CHIP INSIDE

    Hi. I would like to know what is the DAC chip used in the VMV SMSL A2 (class D) amp. I see the amp has an UBS type B input, so I assume I could use it as as an external dac, connecting it directly to my PC with the XMOS driver. I own the DAC SMSL SU-9. I am very happy with that DAC and I...
  8. robertospeed

    AIYIMA D03 class D amplifier "Subjective review"

    I present to you the brand new Aiyima D03 Class D amplifier AIYIMA D03 After several listening experiences, with different amplifiers, by class and by brand, today, after having extensively tested various electronics, even in class D, I focus on the new amplifier from AIYIMA (Chinese...
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