Drivers blown but no noticeable burnt smell? |
Post Reply | Page <123 |
Author | |
Conanski
Old Croc Joined: 26 January 2006 Location: Ottawa, Canada Status: Offline Points: 2515 |
Post Options
Thanks(0)
|
|
|
Conanski
Old Croc Joined: 26 January 2006 Location: Ottawa, Canada Status: Offline Points: 2515 |
Post Options
Thanks(0)
|
The bottom line is these drivers aren't up to the task.. that being 500w of highly compressed recorded music for hours on end. For that you need drivers that have an RMS rating(not program) of at least 600w or more preferrably.
This is also the reason I will not dry rent or loan passive speakers anymore.. it's just too damn expensive. Edited by Conanski - 28 June 2011 at 5:46pm |
|
AC1
Registered User Joined: 11 March 2011 Location: UK Status: Offline Points: 56 |
Post Options
Thanks(0)
|
the drivers had a rating of 600 watts rms?
|
|
Horns or reflex?
|
|
Peter Jan
Young Croc Joined: 16 December 2008 Location: Belgium Status: Offline Points: 1019 |
Post Options
Thanks(0)
|
Do they REALLY ? And besides, there's not that much difference between 500 and 600 Watts in terms of heating up a voice coil. If temperature in the venue (therefor also IN the speaker cabinet) was relatively high, the true capability of the speaker in terms of getting rid of heat, was maybe "only" 3-400 Watts in reality. Just as Conanski said, it went seemingly 'allright' for some hours, the coils being warmed up to or over their thermal limit and than suddenly they gave way in a matter of seconds. Not so strange when you know a coils resistance rises with temperature, meaning less power and gradually pushing the faders to keep up the SPL. Windings expand, glue melts, coil former starts bubbling, windings get shorted or almost from rubbing in the magnetic gap (distortion), amps dumps bursts of everything he has in that near short-circuit (even more distortion), voicecoil fuses itself out at the weakest point, game over. |
|
Conanski
Old Croc Joined: 26 January 2006 Location: Ottawa, Canada Status: Offline Points: 2515 |
Post Options
Thanks(0)
|
|
|
Post Reply | Page <123 |
Tweet |
Forum Jump | Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum |