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Discussion in 'Amps and Cabs [BG]' started by Clark Westfield, Jan 26, 2014.
Can somebody explain what Class D amps are and how they differ from solid state?
I have been reading about these. Am left a bit puzzled myself.
Gurus, please help
Google is your friend!
Btw, Class D is solid state.
Thank you. I was just about to post the same thing.
So I am assuming that Class D amps are better suited for our bass guitars.
I just keep reading amp company ads referring to Class D.
The new Fender Rumble amps are now this rating.
So I guess they are better then the old versions that spec out with solid state in the spec chart.
They're not better or worse, just different. They use less power (are more efficient). They can be built lighter and smaller than many other types of amp.
Switching power supplies and pulse width modulation are the heart of the current amp technology.
No Clark, they are all solid-state. It's just a technical thing that allows an amp putting out a certain power to run much cooler than before, and consequently allows it to have a smaller power supply, smaller heat sinks, a smaller case and much lighter weight thereby, and presumably lower cost.
Class D isn't a rating. It's an amp typology. It will help you if you spend some time reading the Google links above.
And many TB'ers also say that Class D just doesn't sound as good as Class AB. But of course, that is subjective and will vary from person to person.
Sorry Satco, this stuff is beyond my technical expertise.
I am a bass player, not some techie with soldering irons and transistors in my desk drawer.
Sorry for my inaccuracies with the lingo.
No worries mate! It's all good. I'm a bass player too (have been since 1972), and I'm not an electronics wizard. But I have been on TB for five years now, and I have learned ALOT! Plus, I stayed at a Holiday Inn Express two years ago, so I've got THAT going for me, which is nice.
Also, your comment about reading company ads reminded me of this eye opening (and extremely factual) commentary by the late and great Mr. Carlin......
Class D was just the next "official" letter for amp output typology. Some say class A "sounds" much better than class A/B, some prefer class A/B to class A. Class D will have it's proponents and detractors as well. Class B rarely sees audio use and class C is radio frequency only.
No, its actually true. That's why you don't find Class C amps. Although if you look hard enough you might find Class H.
... then there was the Class Clown ...
True or class G.
The term "solid state" refers to the use of transistors, as opposed to vacuum tubes. "Class D" refers to the method by which the amplification is achieved. The two terms are not mutually exclusive.
You could theoretically build a non-solid-state (vacuum tube based) class D amplifier. In fact, I think the earliest examples of this type of amplification stage occurred during the vacuum tube era. But the disadvantages of such a design far outweigh the cool factor.
What has changed recently (last 15 years) that has caused the proliferation of these amplifiers in all sorts of audio equipment has been the broad availability of inexpensive but high-quality modules which can be integrated into your own platform, saving you from the years of R&D effort required to design your own. Bang & Olufsen's ICEPower modules being the most common examples.
As are probably 90+% of those who own a TalkBass membership. And yet many of us have discovered, over time, that the "tech talk" informs our musical understanding, and our musicianship, in ways that we might not have realized, had we not begun to absorb some of these concepts. And the same is possible for you as well - if you will resist the urge to become defensive, will keep an open mind, and will give it some time.
Getting the terms correct is important, because the terms directly affect our understanding of the concepts. And understanding the concepts correctly allows us to become more functionally independent - without relying as much on other people to make our judgements and decisions.
Oh yes. I remember when that album came out. My cousin and I were just kids, and we loved listening to............the seven words!!!
Bet you can eat just one ah, ha, HA.........that's true I usually switch off.