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- Jul 29, 2019
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- #21
Thanks for kind comments!Beautiful review! Excellent explanation of class D buffer job.
Thanks for kind comments!Beautiful review! Excellent explanation of class D buffer job.
There is no need to be a manufacturer to check if the measurements make sense. That is the first thing you should do as a "reviewer"before publishing them....cut...
2.That power is what I observed with my dummy loads and Analyser. I'm not a maker.
But, this image could be help you. ... cut...
We can't get closer to amp units limits before Reach power supply's limits with both Ch driven(1000 W rated, but in fact the PSU can handle 1100 W well).
One of your measurements is strange. Some double checking doesn't hurt. BTW, modifying your posts without highlighting the changes is actually rude.3. My load is rated as 8 kW.
It stayed Cold Start to End.
And I explained about measurement conditions in detail previously ( https://www.audiosciencereview.com/...-stereo-power-amplifier-renewed-review.37267/ ). So your comments 3. feels quite rude to me.
You know very well that this is not true.4. Anyone can read graph and find cut-off point they want to use. That's why I upload Data with full details not just graph. Anyway thanks for suggestions.
I claim about I'm not Maker to mean As customer, I care about input and output results. not how to fill inside the box.There is no need to be a manufacturer to check if the measurements make sense. That is the first thing you should do as a "reviewer"before publishing them.
And you know very well the power supply used, to quote you in your review of the P422 :
One of your measurements is strange. Some double checking doesn't hurt. BTW, modifying your posts without highlighting the changes is actually rude.
You know very well that this is not true.
If you use that with PC, Try USB-3.5 cable!Love the solid aluminum case with rounded corners on my March Purifi amp. The front power button is nice but requires just the right touch to get it to turn on. Too little pressure or the wrong angle and it ignores me. Buckeye mono 7040 PURIFI is $600 less with a more primitive case design. It's great that buyers have several purchase options.
Buckeye Amps
Buckeye Amps utilizes the most advanced audio amplifier technologies available. Authorized seller for Hypex and Purifi Class D amplifiers. Based in the US. Free shipping and worldwide service!www.buckeyeamp.com
I think it has been said it's this one:Do you have a permission for teardown? I'm curious how the custom power supply looks and how's the layout.
I'm sorry.Do you have a permission for teardown? I'm curious how the custom power supply looks and how's the layout.
Looks about right, thanksI think it has been said it's this one:
SMPS1K-PFCR2 – MicroAudio
micro-audio.com
Any harmonics of frequencies above 10 kHz are above 20 kHz, so inaudible anyway, so do they matter in any case?Switching amps make this test hard to run as the harmonics get mixed up with noise-shaping of class D amps. You would have to run it with much lower bandwidth in which case you get false results for frequencies above 10 kHz (it would step down which is wrong).
It's good that USB power has become a standard for so many things, so we have lots of options for this.If you use that with PC, Try USB-3.5 cable!
Simply cut old USB and 3.5 cable, connect 5V USB Power to trigger. It's really convenient! Turns on with PC and off when PC offed.
More the options on the market, we can choose more tastier one!
I'm not certain either but if specs are right with 91% efficiency gives about 1100 watts.Looks about right, thanks
It's good that USB power has become a standard for so many things, so we have lots of options for this.
The MacBook will only output 5V and between 500mA/3A via a 2.0/3.0/3.1 USB port... the trigger is 12V. However, that said... you may be able to get it work work with 5V though;Would a cable like this do the job to provide trigger turn on power to the March Audio from MacBook Pro?
I agree. Or maybe in a second post directly behind the review/measurements. Alternatively, some big fat headlines plus a couple of horizontal dividers could help make it easier to navigate. Very interesting read nonetheless.Thank you for the review. May I make a suggestion? I think it will easier for the reader to start with the tests and then add the other data, especially the manufacturer's or the parts used at the end. This is will be similar to an appendix.
Thank you forlisteningreading