Welcome! Need support, you got it. Or share your ideas and experiences.
Return to Planar Speaker Asylum
204.194.124.4
I'm thinking about active bi-amping my MGIIIa's which is currently being powered by a set of Classe M350's, that's 700watts per side. I use a Bottlehead Foreplay Preamp and I was thinking about getting a set of tube monos to power my treble. My question is, what should the power rating be on the tube amps to keep in on the same level as the Classe amps?
thanx in advance
Follow Ups:
The bass to mid-treble crosses around 350hz which means you should have as much power on the high end as on the low end. However that doesn't mean you need 700wpc on the high end, it just means that the minimum power on the high end should be about the same as the mininum power required to drive the low end. So now all you have to decide is what the minimum power should be to drive the MG-IIIa. IMO if the amplifier is adequate to drive the speaker in "mono-amp" mode it will be sufficient for bi-amping without risking clipping.
As mentioned it is also important that the gain (sensitivity) of the amps should be the same although most active crossovers allow adjustment for gain matching of the stages.
I may be an egoist but at least I don't talk about other people.
I'm doing it with on 3.6's with ~800W on the bottom (Bryston 7B-ST) and 200W on top (ASL Hurricanes). Works beautifully.
its not watts/channel thats important to balance ,its input sensitvity.
Yes, I know. His initial post was asking about power.
This post is made possible by the generous support of people like you and our sponsors: