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orchardaudio, July 14, 2020 in 2-Channel Home Audio
17 hours ago, orchardaudio said:
Did you move your post to another section?
Here is my attempt to start answering your question:"How Much Amplifier Power Do I Need?"
The amount of amplifier power needed is not as simple as it is sometimes depicted.
Need more information:
What speakers? Brand and model. Sensitivity rating if available.
Room liveness: Treatments? What kind? Carpet? Wall to wall, area rugs("throw" rugs)? Drapes? Photograph.
Distance from main listening position to speakers.
Type of music.
Loudness preference (Klipsch and Keel , Jr's characterizations, DFH, Vol. 16, No. 1, January 1977 ):
[105 dB is THX full scale (peak) above 80 Hz; 115 dB is THX full scale (below 80 Hz)].
A huge variable is the brand and model of speaker. The range of amplifier power needed ranges from 3 watts to > 1,000 watts, depending on the above variables.
And also the type of speaker.
Line source speakers, for instance, SPL does not decline at the same rate with distance as a more conventional direct radiator. Horn-loaded speakers are often designed with a different "throw" in mind - long throw (farther distances) or short throw.
And, in most residential rooms, there's not much decline in SPL after a few feet because of all the reflections.
Seems I remember responding to this same thread not too long ago.
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