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Test condition: SuperMacro-3, 100kHz square wave signal, A - left channel, B - right channel, 06/11/2005 Comments: 1) All tested op-amps work solidly stable in SuperMacro-3. These op-amps cover almost all the popular audiophile ones. 2) Left and right channels of SuperMacro-3 are precisely balanced, thanking to 0.5% precision resistors. 3) AD797 has slightly better response than others. NE5534 is fast enough for audio. OPA227 seems quite slow above audio frequency.
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Copyright © 2005
Xin Feng Company
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