walters said:Thanks alot guys for the information
He, he. I worked for a few high quality audio equipment manufacturers. We boasted that our amps would survive any kind of abuse. I ran them at almost full power output (the mains voltage sagged!) all day long and the only problem was that the test room heated up.Nigel Goodwin said:You should also be very aware that while decent quality amplifiers will withstand this type of full power test, cheaper amplifiers may not! - it's quite easy to kill a cheap amp by driving it this hard.
audioguru said:I ran them at almost full power output (the mains voltage sagged!) all day long and the only problem was that the test room heated up.
eblc1388 said:audioguru said:I ran them at almost full power output (the mains voltage sagged!) all day long and the only problem was that the test room heated up.
Using speakers or resistors as output load? What's wrong with the dead amplifiers? Power output stage semiconductor failure?
Nigel Goodwin said:Obviously resistors, you don't do full power tests into speakers (unless you are testing speakers) - or you have a 'deaf wish' :lol:
eblc1388 said:Nigel Goodwin said:If it failed, by law one can return it for a full refund in the UK.
Not necessarily true!.
The guarantee covers the unit against 'manufacturing defects', not against abuse - and these types of tests are serious abuse!. Generally the only people who would do these tests are people reviewing the amplifier, in which case they won't have paid for it anyway!.
If the spec quoted that, fair enough! - but amps that quote that are not very likely to blow up
On my amplifier spec sheet there is one item that said "Dynamic Headroom into 4 ohms = 2.1dB". What does that means?
That's correct. The peak voltage and peak current of a sine wave is the RMS value times the square root of 2. Therefore the instantaneous peak power is double the RMS power. :lol:2ny said: