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<blockquote data-quote="John Roberts" data-source="post: 58872" data-attributes="member: 126">Re: New Lightweight Power Amp RatingsThis is an old misperception. Fueled by some early marginal design decisions made in early switching amps (inadequate reservoir caps).The only time size and weight might correlate with anything about amplifier performance is if everything else is exactly the same, because then more weight could mean more heat-sink or more transformer copper and iron. However, when making comparisons between different technologies the size and weight doesn&#039;t mean anything useful. The significant reductions in size and weight have been accomplished using newer technology. That is the good news. The bad news is that these can still vary between models and brands just like the old technology, so engineering execution still matters while the modern technology clearly makes it cheaper to deliver more thump. Another ugly secret about power amps is that the cost to build high power and low power versions are not linear with power, so price spreads between power points may not be as much as customers would expect or like. Modern amps are getting so cheap I&#039;d just buy the bigger one, and practice a little discipline with the master fader. JR</blockquote>

[QUOTE="John Roberts, post: 58872, member: 126"] Re: New Lightweight Power Amp Ratings This is an old misperception. Fueled by some early marginal design decisions made in early switching amps (inadequate reservoir caps). The only time size and weight might correlate with anything about amplifier performance is if everything else is exactly the same, because then more weight could mean more heat-sink or more transformer copper and iron. However, when making comparisons between different technologies the size and weight doesn't mean anything useful. The significant reductions in size and weight have been accomplished using newer technology. That is the good news. The bad news is that these can still vary between models and brands just like the old technology, so engineering execution still matters while the modern technology clearly makes it cheaper to deliver more thump. Another ugly secret about power amps is that the cost to build high power and low power versions are not linear with power, so price spreads between power points may not be as much as customers would expect or like. Modern amps are getting so cheap I'd just buy the bigger one, and practice a little discipline with the master fader. JR [/QUOTE]

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