CVR and Admark Amps |
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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yes we all know average power in must be greater than average power out. but peak current draw depends on the amplifier efficiency, how much stored energy there is in the amp, and how quickly it recharges the stored energy. you could get the same power out with about half the peak current if it's designed with this in mind. |
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JBK
Registered User Joined: 03 March 2016 Location: Besançon Status: Offline Points: 262 |
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Weird flex but OK. EDIT : the model in question is fitted with 32 powercon socket, but shipped with standard 16A plug cable. The tested I mentionned was conducted on real drivers with musical signal, not resistor banks with sine waves. Maybe this would require more than 16A yes. Personally I'll only feed them 32A even in 4ohms even if overkill as we are lucky to almost always have proper 32A triphase supplies in all proper halls/festivals and there is a distro in the amp rack anyways. Should give them a proper test this summer (think lots of dirt, scorcher, high spl, fixed install for few days) and report back in september.
Edited by JBK - 20 March 2023 at 12:09pm |
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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Agreed.. My generalising point of view on lightweight amps changed, when I observed Powersoft K20 drawing > 34A @ approx 230V, when running in "4 ohm" stereo. So now, I accept, there are well designed and implemented lightweights, that may not provide spec'd power, but will properly power drivers on sub freqs, in 4/2 ohm stereo, "if" powered sufficiently. Then you have...
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Global Depopulation - Alive and Killing.
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Father-Francis
Old Croc Joined: 24 October 2007 Location: Kenya ,Denmark Status: Offline Points: 2760 |
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They are rebadged CVR’s boss . So the price is slightly higher cause the man answering the phone for service is next door .
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Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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Father-Francis
Old Croc Joined: 24 October 2007 Location: Kenya ,Denmark Status: Offline Points: 2760 |
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The difference between the Powersoft and CVR is Powersoft has cap’s that draw power from the wall and the CVR the cap’s are power output , which in short Powersoft needs proper power-supply 16amps or more to preform, so not an amp for 13amp plug-in if you want the power. That should make it simple enough for Tom,Dick and Harry to have an idea 💡 of what’s going on .
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Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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My point was not personally directed at you, boss !! Just pointing out, regardless of transformer or lightweight, even if lightweight is packed full of space technology, and smoothing caps, with approx hpf of 40hz, and "some bass boost" at 40hz, at "4 ohms stereo", full tilt, that sub amplifier will be drawing serious peak current, if it really is providing > 2.5kwpc @ 4 ohms. Edited by levyte357- - 20 March 2023 at 2:48pm |
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Global Depopulation - Alive and Killing.
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Father-Francis
Old Croc Joined: 24 October 2007 Location: Kenya ,Denmark Status: Offline Points: 2760 |
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Lev them amps have nuff caps to give you that power I would say have stable power 16 and you can run them down to 2ohm , some sound in us and Canada even Jam are using them running 3*21” per ch , I think you should buy one , if you don’t like it I’l buy it off you .
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Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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Looking out for used K35 or AD42. Would not buy new, as is not an investment, and resale value won't go up.
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Global Depopulation - Alive and Killing.
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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power spec and weight don't match any CVR model. looks same as Gyimpex V52. If the internal shots on alibaba are to be believed it's a different beast to the CVR/Admark/Morin/Sinbosen 1U amps. |
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Father-Francis
Old Croc Joined: 24 October 2007 Location: Kenya ,Denmark Status: Offline Points: 2760 |
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@Snowflake i can’t seem to find the one you are talking about, but just checked their site out lol , have to test some of these soon ,
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Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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Elliot Thompson
Old Croc Joined: 02 April 2004 Location: United States Status: Offline Points: 5175 |
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So what was the point of the post? Those who own these amps are willing help those that are considering buying them. Basically, clearing the air of the naysayers hearing rumors on what the amplifier can and cannot do. Best Regards,
Edited by Elliot Thompson - 20 March 2023 at 9:31pm |
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Elliot Thompson
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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6500w Switching Amplifier Pa Audio System Power Amplifiers V52 - Buy Powerful Class D Switch Power Amplifier Modules,Best Audio Amplifiers Nice Amps Power Amps,D Amplifier Blue 1u Class D Amplifier Product on Alibaba.com https://www.alibaba.com/product-detail/6500W-switching-amplifier-PA-audio-system_1700006583190.html |
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