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ICL1P View Drop Down
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    Posted: 21 Jan 2015 at 12:51pm
i currently have an integrated amplifier from a mainstream manufacturer. In the long term I expect I'll replace it with a Majestic and a pair of Proprii.

As some of you will know the amp has been doing its stuff running in a pair of Frugal Horn Mk3s and mostly low volume. Over the last few days when I turn the volume right down on the amp I can still hear it playing in the room next door. What's occurring?
Ifor
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Reflex M & ACCESSION M, CuSat50, Majestic DAC, a Proprius pair.
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Points: 16298 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Graham Slee Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 2015 at 2:02pm
Originally posted by ICL1P ICL1P wrote:

...when I turn the volume right down on the amp I can still hear it playing in the room next door. What's occurring?


It's OK Ifor, Mulder and Scully are already on the case... they're inside your Frugal Horns... Wink
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Ash View Drop Down
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Originally posted by ICL1P ICL1P wrote:

 Over the last few days when I turn the volume right down on the amp I can still hear it playing in the room next door. What's occurring?

Well each speaker cabinet is large (and heavy) so when directly coupled with the hard floor and indirectly coupled with the walls of the listening environment (all have a low frequency of resonance), the vibrations are synergistic (they summate) and depending on the damping properties of the materials, the vibrations would probably be audibly transmitted several metres even if the source is at low amplitude. Amplitude increases substantially close to or at resonance.

Is there any way you can decouple the speaker cabinets from the room further??? Ermm


Edited by Ash - 21 Jan 2015 at 2:26pm
We do not see things as they are. We see things as we are.
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ICL1P View Drop Down
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Originally posted by Ash Ash wrote:

Originally posted by ICL1P ICL1P wrote:

 Over the last few days when I turn the volume right down on the amp I can still hear it playing in the room next door. What's occurring?

Well each speaker cabinet is large (and heavy) so when directly coupled with the hard floor and indirectly coupled with the walls of the listening environment (all have a low frequency of resonance), the vibrations are synergistic (they summate) and depending on the damping properties of the materials, the vibrations would probably be audibly transmitted several metres even if the source is at low amplitude. Amplitude increases substantially close to or at resonance.

Is there any way you can decouple the speaker cabinets from the room further??? Ermm
Ash, what I thought I said was that the amplifier volume control no longer silences the amplifier when turned all the way down.
Ifor
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Reflex M & ACCESSION M, CuSat50, Majestic DAC, a Proprius pair.
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Perhaps it really goes from 1 to 11, not 0 to 10?
Just listen, if it sounds good to you, enjoy it.
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That's interesting. What is the source of the signal going into the amplifier? So there's no other gain controls then?
We do not see things as they are. We see things as we are.
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ICL1P View Drop Down
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Points: 2341 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ICL1P Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 2015 at 2:39pm
I've tried different sources.  TT through Reflex, TV and Pi through a DAC.
Ifor
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Reflex M & ACCESSION M, CuSat50, Majestic DAC, a Proprius pair.
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