Search results for query: class d

  1. B

    Danon X4700H, Arcam sa30 and 2 Subwoofers.

    I’m concerned about the warranty of all Class D amps as if you look, you will see they don’t come close to the warranty of Class A/B amps. That doesn’t give me a warm-fuzzy
  2. P

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

    ...pre out/preamp mode so users have the option to take advantage of this section by just adding external power amps at can be very affordable now with many class D amps available. Manufacturers may never go for it, because their marketing/sales teams would likely say no, for obvious reasons.;)
  3. M

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

    Thanks, I'm old school and not familiar with these class D amps. Can they sustain high output for extended periods? And would they work well with my Anthem STR preamp? I see that the Buckeye can produce 28A output current, while the Parasound can produce 60A.
  4. Mark E. Long

    Shopping for decent power amp’s lighting took out two carver TFM-35 x’s

    The plan is to get them serviced and upgraded to the present spec there just to nice of an amp to park . I’ve had these for 20 or more years . It’s time for a refresh. The Buckeye amp is to fill in till one is done then switch it out and send another in .
  5. S

    SVS micro 3000 amp repair question

    thanks for the info , I will use it for a while and see if the noise is noticeable from listening position . appreciate the help
  6. M

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

    Ah, yes, ATI. Thanks for reminding me about ATI; I remember them from back in the day. I will check them out.
  7. TLS Guy

    SVS micro 3000 amp repair question

    It is impossible to answer that question with certainty. I doubt it is unsafe. There are quite a few approaches to class D amps, which that amp will be. My hunch is that wine is coming from the LC filter. These amps are class D, or switching amps to conserve power and reduce heating. These...
  8. P

    ATI (Amplifier Technologies) Owners Thread

    ...those things are due to power amps in the calibre of those you are looking at, if someone says they could hear the difference between ATI's class D and AB, I just smile, knowing full well, with confidence that they would not hear the claimed differences in a well controlled DBT, I respect...
  9. TLS Guy

    Dutch & Dutch 15c - standmount with 3 15" drivers

    The fundamental problem with that speaker, as with so many speakers, is how resources are apportioned. So you have three 15" drivers assigned below 1250 Hz and one mid tweeter for the rest of the acoustic spectrum. The latter having to handle close to 50% of the speakers power output. That...
  10. G

    Amp protection lights on

    Hi again—you came to this forum for advice. All forum members, so far are recommending you buy and use Class D amps. Engineering science and applications have moved forward onto Class D amps. Are you still wanting old used AB amps? Why?
  11. D

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

    I recently stepped down from external power amps (Crown XLS2500, 440W@8ohm, 1200W@2ohm) to my new Denon X4800H (125W@8ohm) - and I am happy to say the system sounds as it should. My previous Integra DRX3.4 did not sound right with my Gallo speakers, which do dip down to 1.6ohm and are a...
  12. D

    Is the Onkyo TX-RZ70 the Best AVR under $3000?

    I was just looking around for the same information.... sadly Onkyo/Integra have not been quite as forthcoming about the guts of their gear as D&M have!
  13. B

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

    ...for $2500 is also the cheapest version of it. The Ultra is $4200 and it can go up from there with options. What I don’t like is all these class D amps like the one we are talking about has a 1 year warranty (WTF). All these class D amps have a much smaller warranty compared to traditional amp...
  14. AcuDefTechGuy

    Bryston Class D Amplifiers

    Gene wrote: “The Axiom A1400-8 is a Class D switching amplifier” so that’s why I thought it had a switching power supply. :D So kudos to Axiom for using a giant power supply even back in 2009. Since Bryston and Axiom are owned by the same two Canadians (James Tanner & Ian Colqhhoun), I think...
  15. H

    ATI (Amplifier Technologies) Owners Thread

    I think I would add 'mind' to the quote about ears breaking in- bias comes from the mind and the interface allows us to smooth out differences in sensed experiences. Then, we get to deal with the conflict that comes from "This can't possibly sound this good- it's not expensive, big, etc" due to...
  16. P

    ATI (Amplifier Technologies) Owners Thread

    ...EPDR (a misleading spec, that says more about heat dissipation, than currents). That, from my understanding, you may be better off using class D amps such as the popular Hypex or Purifi modules based power amps. Class D amps seem less prone to low EPDR than class AB amps that would...
  17. m. zillch

    CD Player Repair Advice

    Valid point. Personally I'd never buy a used CD changer unless I knew the guy personally, living nearby, and he agreed to take it back if I had any issues with use in my first months of use. I've seen too many broken ones to trust them as a class of machines. --- Teac (or was it TDK?) made an...
  18. M

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

    ...new setup and the aesthetic my wife was looking for with the new console. The previous setup had very low WAF. One nice thing about these class D amps is how easily they will fit inside the console. The McCormack DNA-1 Deluxe Edition amp on top just barely won't fit in the console. It...
  19. lovinthehd

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

    Was curious, so just checked what Bryston is doing with their class D offering, looks like they're still doing 20 years. My Crowns came with 3 year warranties but not an issue since expiration, some are 15 years old now in daily use.
  20. M

    Interesting Speaker Development..........

    ...exposure traits that is the internet. The information gets used up faster than the technology can evolve. Other than perhaps say, class D and other IC related development breakthroughs, audio quality (for music, anyway) hit a wall for me about 30 years ago, or right about when computers...
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