Search results for query: class d

  1. AcuDefTechGuy

    We review the $9,600 Legacy Audio Focus SE Speakers

    Warranty on these are usually 1 year to 3 years. ATI class D are still 7 Years warranty. One thing I haven’t seen from class D (for mainly academic and amusement) is how they perform on the 1-ohm test. I want to see someone take an ATI class-D amp that weighs 65 lbs and do the 1-ohm test. :D...
  2. S

    Pre main amplifier

    I went looking for the Nobsound NS-04G PRO Mini Digital Power Amplifier HiFi Stereo 2.0 Channel Class D Home Desktop Audio Amp 100W+100W and get this: Amazon has it for $401, This must be a mistake. AliExpress now has it for $40 (was $35 yesterday) which includes power supply. My problem is...
  3. P

    Amplifier distortions - what, and how much are audible

    ...focussing on the room and speakers more, based on audible sound quality benefits. In terms of objective measurements, in absolute term, class D amps such as Hypex, Purifi, and some ICE based amps such as Marantz Amp 10, 20, and other well measured ones, along with Benchmark's class AB...
  4. J

    Equipment to run Polk L800s

    ...are fully balanced designs, therefore they are incompatible with the L800's SDA technology. I would suggest Anthem, Parasound, Buckeye (if class d is of your liking) also Hypex have some great amps that will work great with the L800's keep in mind that Hypex have DIY amps kits that have great...
  5. TLS Guy

    Measurements not Revealing Significant Differences Between AVRs and AVPs

    Well, it stands to reason that a DAC change could improve the situation. What has astounded me is how much it has improved multichannel audio. I would never have suspected that would be the case. It makes me wonder though, if part of this is to purposely reduce power to other than the front...
  6. everettT

    Amp protection lights on

    Whoever told you AB is better isn't doesn't have all the information on the two brands I mentioned as they are the most technically sound amps made today, with the Benchmark AHB2 us the closest class AB for large amps. Note that the amplifiers are load irrelevant and would handle your speakers...
  7. M

    What New Stuff Have You Bought? If You Care To Share Thead! :)

    Icepower 1200AS2 power amplifier module. I have the Icepower 200ASC that was one of the products that helped give me confidence in class D. That, and to ignore much of the hoopla about what amounts to inaudible measurement values on so many products these days, at least to my ears. All I know...
  8. Tankini

    We review the $9,600 Legacy Audio Focus SE Speakers

    Class D amps have been around a long time. I used them all the time in my cars and trucks. My most recent use of Class D amps were in my 2007 Mustang. Had two Class D amps in that car. They were the original amps that came with the car. Sold that car back in 2017 so 10 year old amps that were...
  9. D

    Masimo/Sound United Dealer Portal now says “HARMAN”

    I like to refer people who think active speakers are a new thing, to the Revox Agora B speakers of the early 1980's ... Great speaker if you can find one in good condition too...
  10. Trell

    New Line up of AV Receivers from JBL

    Absolutely true! On ASR there are pictures of a serious design fault of improper cooling with the heat sink not properly attached. High end performance class D.
  11. ryanosaur

    Power amp manufacturers 2024

    D@mn you, man. I sold one to another amigo, here, a bit ago. Of the original 5 I had, 4 remain. 2 are not in use, yet, pending my long slow slog to getting Atmos installed, they will be. Of course, if you want to make me an offer I can't resist... ;)
  12. AcuDefTechGuy

    Yamaha AVENTAGE 2021 AV Receivers Bulk Up on Power and 8K Features

    We'll see who's correct on the “changes”. :D But it was great when Yamaha reduced their flagship AVR from about $5500 to $2500. Current Yamaha flagship AVR is about $3K, others are $4-$7K. I think many people tend to be optimistic and want significant changes, but I'll go with the side of...
  13. Verdinut

    New Line up of AV Receivers from JBL

    This AVR has Class D amps, not Class G.
  14. D

    The Best Amplifier We've Ever Measured? - NAD M23

    I’m happy but I know purifi/hypex class d are great choice and better options out there.
  15. D

    Power amp manufacturers 2024

    It's mostly because there is not a lot of 200W+ 7 channel amps that aren't Class D. 5 Channel there are are more AB amps out there but 200W or higher are often something you see in a more dedicated 2-channel amp. You'll likely find a lot more 200W A/B monoblocks than you will 7 channel amps...
  16. TLS Guy

    We review the $9,600 Legacy Audio Focus SE Speakers

    A 1 ohm test is not very useful. A speaker that has an impedance as low as 1 ohm at any point is a bad speaker with the crossover in resonance and not fit for use. I know some very expensive speakers do that, but they are not worth 2 cents. In an active speaker an amp will never see a 1 ohm...
  17. M

    How Do Simple DIY Amps Compare to Entry-Level Commercial Ones?

    Nice, it looks good.
  18. Verdinut

    Parasound A21+ power amp for my front L/R speakers -- overkill? Other options?

    Usually in a home environment, sustained high output situations for extended periods don't happen, even in action movies. I wish that @PENG will have a free moment to answer you. He is an electrical engineer and better knowledgeable on this question.
  19. William Lemmerhirt

    Subwoofer repair - Minnesota

    https://www.parts-express.com/Dayton-Audio-SPA100-D-100-Watt-Class-D-Subwoofer-Plate-Amplifier-300-805 Something like this might work. Mount it in a box and run speaker leads into the old sub. I would not recommend a Willy nilly thing for a main, single use subwoofer. But honestly for what you...
  20. P

    Amp protection lights on

    ...to sound their best. Class AB amp will do the job too of course, something like the Monolith's 200 Wx2 8 ohms will do but the recommended class D amps will be better if you really want to push them to their limit. All amps (AB, A, or D) rated more than 200/300 W 8/4 ohms with THD<0.01%...
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