I'm gonna just blurt it out about what is goin on then an example of my thought on this-
I had an Audiobahn 2400w high current amp that i had rated at doin 1940w at an unknown voltage(i know, it would help if i knew) but i also metered it while playin music too instead of steady tone so i screwed that all up, hehe.
Well, anyways...
It has a 160A fuse.
My new amp is a Class D amp 2500w that has a 140A fuse.
According to electronical formulas, can this be accurate cuz i dont think so and if it is not accurate, what am i missing-
Let's say the audiobahn amp(2400w) is 100% efficient and uses constantly the 160A at 13.8V
that would be - 2,208w But, what i metered,it at 1,940w, that would mean that the Efficiency is 87.8%?!?!?!?!?!
So... Is this what is happening--
Your fuse on your amp, power draw into the amp can actually be more that what the amp's fuse is rated at but due to efficiency and technologies of HC vs Class D, the Class D may still be able to overtake the HC amp even though the Class D amp has a 20 amp lower rated fuse?
This is comparing to an Audiobahn 2400w HC vs a Cadence 2500w Class D.
When playing music, the power draw peaks but when doing steady tones, from experience fuses dont pop so for Competition Vs music, Music peaks higher than test tones and test tones actually draw less than fuse rating on amp?
posted
fuses can hold something like double there rating for current draw, and i can guarantee ur amp is not 100% efficient. the 87.8% efficiency that u said sounds about right. also, some amps have fuses larger than they need on them. u cant just go off of ratings and fuses, u would have to actually bench both of the amps and test em to see which will have more output.
-------------------- as real as it seems, the american dream, aint nuthin but anotha calculated scheme, to get us locked up, shot up, back in chains, to deny us of the future, rob our names - Pac Posts: 179 | From: washington | Registered: Apr 2003
| IP: Logged |
Printer-friendly view of this topic