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Is 5 Watts enough for Horns ?

How much power is enough to drive a 107dB sensitivity Avantgarde ?
Is 5 Watts from A 300B SET enough?
Consider that the Subwoofer of the Avantgarde has its own high power amplifier (each woofer 500 Watts)so the work in the bass department is largely taken up by the subwoofer amp.
I have seen McIntosh MC501 power amps connected to 107dB sensitivity Avantgardes and seldom did hit the 5 Watt mark on the meters when cranking the volume up to hurting levels.
0.5 Watts was what the meters show at normal listening levels.
eljaro
eljaro OP
27 posts
 
The room is 400 sq.ft.
The volume can be cranked up to where the bass moves objects on the shelves and the. I did that with a pair of Klimos 300B SET monos.
But I also did read somewhere on this forum that 5 watts is not enough. That's why I am asking.
mark02131's avatar
mark02131
99 posts
 
CMO , Chris
Sweet System !! The Art Audio and the Avantgarde's must be a nice match. I have heard people say that 8 watts of that amp can drive you out of the room. Plenty of power.

Eljaro,
Give what you have a try and if you think you need more go to a dealer and barrow a more powerful amp and give it a try. I think you will be fine though.
swampwalker's avatar
swampwalker
5,138 posts
 
At 107 dB, I would guess that that is more than enough power.
lak's avatar
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lak
4,683 posts
 
5 watts will work out fine for your size room.
triode
263 posts
 
300B amps are fine on Duos. I've since switched to 18 watt "behemoths" (Lamm ML2), but for sonic reasons, not lack of volume capability.
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