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DVD-Audiobahn New DVD-Audio music releases and talk about the latest players. |
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In Reply to: Thanks Christine, my speaker's sensitivity is a low 88dB @ 1 watt per meter and I have 325 watts at 4 ohms. posted by Teresa on September 11, 2005 at 13:36:04:
Most speakers seldom stay at their "nominal" impedance and dip way below nominal for certain frequencies/volume, mine for example goes as low as 4.6 ohm, so even more amplifier power is required.*** didn't have the "oomph" they did at the store sort of like they were running out of steam ***
This is a really astute and insightful observation and is a good sign that your previous amp was clipping. I tend to describe it as a "compression" or "hardening" of the sound esp. at peaks.
I hear this when I tested my NAD 50w amp on my speakers. I also heard this on my previous amp (Denon rated at 170w per channel, but I doubt it delivered 7x this with all channels driven).
A really good test is i think track 3 on the Gladiator soundtrack. When I heard this at the dealer on the Halcro and the B&W Signature 800s it was glorious. Then when I listened to it on the Denon I can hear obvious signs of compression/hardness/clipping. With my new amps, I am happy to report i hear no problems :-)
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Follow Ups
- You are absolutely right - Christine Tham 14:47:14 09/11/05 (0)
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