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18th September 2005, 01:43 PM
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#1 |
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diyAudio Member
Join Date: Apr 2002
Location: Prague, Kitakyushu, Fukuoka
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Importance of "First Watt" ;)
There's a nice product called "First Watt" by NP and I agree that importance of low distortion especially for and even for very low power is usually underestimated. This is the reason why most AB amplifiers sound bad though measure good - when measured at higher power. I agree that the first watt is importatnt and I attach 20mW spectrum of my error correction amp (inspired by NP). Please forget the baseline curls, which are the soundcard problem. I would greatly appreciate to see similar measurement of the "FirstWatt" amplifier.
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18th September 2005, 02:06 PM
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#2 |
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diyAudio Member
Join Date: Aug 2003
Location: Prague,Czech Republic
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20 mW is silent night listening
 , what do you can listen by this level ? Much more interesting are results by cca 1W, where NP " baby " show much more distortion than your amp....Don't doubt, which one is better ...
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18th September 2005, 02:31 PM
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#4 |
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diyAudio Member
Join Date: Aug 2003
Location: Prague,Czech Republic
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Which sound decay do you mean ?
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18th September 2005, 02:40 PM
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#6 | |
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diyAudio Member
Join Date: Oct 2004
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Quote:
A sound's life has different stages. Roughly speaking, they are: attack-suspend-decay. With my new amp this life is noticeable longer :-) |
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18th September 2005, 03:38 PM
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#7 |
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diyAudio Member
Join Date: Apr 2003
Location: Copenhagen, Denmark
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Anli:
The low distortion of the low level signales will be "killed" by the distortion of the main signals
__________________
Free Schematic and Service Manual downloads www.audio-circuit.dk, Company: www.dupont-audio.com, Joint venture: www.DupontMantra.com |
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18th September 2005, 03:43 PM
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#8 | |
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Account Disabled
Join Date: Jun 2004
Location: Animal farm
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Re: Importance of "First Watt" ;)
Quote:
 ......which is why i prefer Class-AB to Self's so-called optimal Class-B... |
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18th September 2005, 04:23 PM
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#9 |
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diyAudio Member
Join Date: Jun 2004
Location: Warsaw
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Hallo
Nice topic. Pavel Dudek, you frequently raised this issue: If 16-bit digital sound has 96dB of dynamic range (ratio to quantum noise), than if full amplitude translates to 100W, 20mW has only 60dB, right? |
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18th September 2005, 04:47 PM
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#10 | |
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diyAudio Member
Join Date: Oct 2004
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Quote:
 I'd say this way: "The low level signals will be "killed" by the distortion of the main signals" |
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