Again the topic of weight of amps

Hello geoffkait,

    I agree, I don't buy into the theory that the transformers have to be large, either.  The primary reason class D amps have such good bass response is their typical high damping factors, often >1,000, which is directly related to how well an amp is able to control the movement of bass drivers and panels.
    The other bugaboo often mentioned by some is the switch mode power supply (smps) used by some class D amps.   All the class D amps I own have typical linear amp power supplies using toroidal transformers but that's just a coincidence and not intentional, I know from personal experience the smps performs just as well as a power supply on the amps I've heard.

Tim

clearthink:
"Noble 100,What is funny is how you are convinced you know what I have listened to when in fact you have no idea what I have listened to and simply can not believe that what you like is not what others like and that many people think Class D has a long way to go before it can equal the consistent, reliable, superior performance of most conventional designs and I base that observation and conclusion upon listening to a variety of Class D amplifiers."

Hello clearthink,
     Okay, fair enough.  Why don't you enlighten us on some of the class D amps you've listened to and their supposed specific shortcomings in your opinion?  
     I realize all amp types have their specific strengths and weaknesses, 
it's beneficial to match one's amp with one's speakers and vice versa for optimum performance and an individual's choice of an amp is often a subjective one based on perceived sound qualities.  I know these factors were responsible for my choice of which amps to utilize in my system.  I expect, encourage and prefer others to make their specific amp choices based on these same factors.  
     Sure, I've encouraged others to consider auditioning good class D amps in their systems by accurately and honestly describing how well they've performed in my system.  But big deal, so what? and sue me! 
     It's all been, and will continue to be, solid and truthful advice given with my sincere intention that it may be helpful to others.  Of course, whether they follow my advice is beyond my control and, therefore, also my concern.


Tim
      
     

clearthink:
"Noble 100,What is funny is how you are convinced you know what I have listened to when in fact you have no idea what I have listened to and simply can not believe that what you like is not what others like and that many people think Class D has a long way to go before it can equal the consistent, reliable, superior performance of most conventional designs and I base that observation and conclusion upon listening to a variety of Class D amplifiers."

Hello clearthink,
    Okay, fair enough. Why don't you enlighten us on some of the class D amps you've listened to and their supposed specific shortcomings in your opinion?  
    I realize all amp types have their specific strengths and weaknesses,
it's beneficial to match one's amp with one's speakers and vice versa for optimum performance and an individual's choice of an amp is often a subjective one based on perceived sound qualities. I know these factors were responsible for my choice of which amps to utilize in my system. I expect, encourage and prefer others to make their specific amp choices based on these same factors.  
    Sure, I've encouraged others to consider auditioning good class D amps in their systems by accurately and honestly describing how well they've performed in my system. But big deal, so what? and sue me!
    It's all been, and will continue to be, solid and truthful advice given with my sincere intention that it may be helpful to others. Of course, whether they follow my advice is beyond my control and, therefore, also my concern.


Tim

Yes Tim, the Paravicini transformer/bass quote was from quite a while ago. I heard it second-hand from Roger Modjeski (who said he didn’t completely agree with Tim P on that subject), and I think it was said to make a point, not to be taken literally. It was said in reference to when Tim was designing amps for Luxman, whose competition at that time were other Japanese mass-market brands, many of whom skimped on their transformers. Tim’s EAR-Yoshino transformers are real works of art.