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Bremen_99 View Drop Down
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    Posted: 18 February 2026 at 9:28pm




Taking a chance on one of these. Was 199 on amazon, so I can send it back if it sounds terrible, or only makes half of rated power or something. Anyone have any experience? The absolute cheapest GaN amp Ive found. Was saving for an admark 406 but I can't even handle it on my circuit. This was 1/4 the price. I'll check back in with some subjective impressions, as I don't have a dummy load or dyno setup, a/b'ing to other amps. Any tips? I'll leave it plugged in and on or used very low for first couple days to let the caps settle, but at least they have an official amazon store that bears the risk of importing. Have you seen this have you heard about this *jay leno voice*


Edited by Bremen_99 - 19 February 2026 at 9:50am
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Points: 7752 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 19 February 2026 at 4:12pm
That just sounds too good to be true. And an extreme lack of capacitance there. Don't expect to get anywhere near that 800W for more than a mS.   Dead
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Less caps than my class D crown amps and those sound great and put out rated power. And you don't need as many transistors for GaN... I don't think you can tell digital topology just from looking but I could be wrong and you are some sort of wizard 
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For instance, this is a great amp.
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njw View Drop Down
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Points: 2700 		Post Options Post Options   Thanks (0) Thanks(0)   Quote njw Quote  Post ReplyReply Direct Link To This Post Posted: 19 February 2026 at 9:57pm
Originally posted by Earplug Earplug wrote:

That just sounds too good to be true. And an extreme lack of capacitance there. Don't expect to get anywhere near that 800W for more than a mS.   Dead




 'Burst' ratings are pretty standard for most, if not all switch mode amplifiers these days aren't they?
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it specifies these are RMS ratings, not peak. But looking at how much more populated the ad406 is again, I'm getting cold feet on this. Another class d crown (cdi1000)  (not that great of a sub amp, but using it bridged to one bin) again, less capacitance 




plus this (fulode) is considerably more modern... I bet even cheap caps are considerably better 12 years later? 
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Unfortunately you can't really compare a 1u amp with a 2u like that. The caps in the 2u will be taller, i.e. larger and with capacitance the size does matter!    LOL

And yes - look at some of the more reliable Class D and you will see large banks of the smaller caps. They are there for a reason. It's physics, not Magyk!!   Smile
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Points: 7752 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 20 February 2026 at 7:42am
Originally posted by njw njw wrote:

Originally posted by Earplug Earplug wrote:

That just sounds too good to be true. And an extreme lack of capacitance there. Don't expect to get anywhere near that 800W for more than a mS.   Dead




 'Burst' ratings are pretty standard for most, if not all switch mode amplifiers these days aren't they?



Yup. And usually measured at 1kHz, not the full spectrum, or down at 30-80Hz which would be more relevant for most people that want to use them to drive those 24" subs!!  LOL LOL LOL





Edited by Earplug - 20 February 2026 at 5:17pm
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Originally posted by Earplug Earplug wrote:

Unfortunately you can't really compare a 1u amp with a 2u like that. The caps in the 2u will be taller, i.e. larger and with capacitance the size does matter!    LOL

And yes - look at some of the more reliable Class D and you will see large banks of the smaller caps. They are there for a reason. It's physics, not Magyk!!   Smile

Yea I accidently posted the wrong amp first picture was supposed to be second generation drivecore, which is kinda like magic.  Not a lot of caps.  (First gen was absolutely terrible though) I did miscalculate about the depth, you are probably right, I'm walking back the order. don't want to be the Guinea pig I'm not a well off man 




Edited by Bremen_99 - 20 February 2026 at 1:18pm
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Yeah. Cliche is that when something seems far too good to be true, it generally isn't! And I'm pretty sure that Amazon don't actually guarantee anything! It'll be you v. the supplier/shop. Guinea pig, indeed...    Cry
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