can i use a power watt amp with a crate flex 125 watt guitar amp. URGENT?

Question

so I have a crate flex wave 412a cabinet.
8 ohm stereo.
RMS Power Rating 120 watts Mono, 60 watts Stereo
Peak Power Handling 240 watts Mono, 120 watts Stereo.

the only reason why i put down all that info is because i need to know what it means before i purchase a head. For instance, how many watts is my crate flex really. i would be using it at 8ohm all the time. well majority of the time so does it mean its a 60w cabinet? Now...heads are so expensive and i figured that i can use a power watt amp and connect my little amp to it and have it work just fine. how would this work out? what wattage power amp would i need? and will my amp be able to work if i connect it to the power amp.

( Guitar>15w Line 6 spider III amp> Power Amp>Crate flex cabinet.) Will this work? PLEASE HELP.

Answer 1

Stereo means two amp channels. It is 60W per channel in 8 ohms each, 120W into 4 ohm parallel mono.



You need a two channel amplifier that supplies 60W or a bit more per channel, or a mono 120W or more into 4 ohm amplifier. You can get lower power used PA amplifiers reasonable, and add a front end processor to simulate a full guitar amplifier.



You don't want to underpower the speakers. They will clip and hold DC to the coils, and burn them out.

15W is too small..

Answer 2

Sure, 45W is more vigour than you, or any guitarist, will ever want, even though as Ken mentioned, you will be studying wrong stat, so it could simply be 30W (a long-established amount of vigor for Vox amps). If a 30W amp is not going to thoroughly fill the venue, you are getting mic'd, regardless of how robust your amp is. Once that mic goes down, your quantity has to comply with. Despite the fact that you probably did go louder, a 100W amp could be just over 3dB louder, which is barely noticeable to the human ear. A 100W amp is just not twice as loud as a 50W amp. Doubling the power best outcome in a 3dB change. 10 occasions the vigour is a 10dB alternate, which we perceive as being twice as loud. That means that a 100W amp is simplest 4 times as loud as a 1W amp. These are scientific details.

Answer 3

RMS means that it's 120W "proper" watts in mono or 60W per speaker in stereo. You could use any decent 100W head to fully power them and leave a bit of headroom so the the speaker coils aren't hitting the end stops when the volume is set to "11".