THE LM4562 and the 49720 are essentially the same op amp, and yes the metal can versions of both these op amp's sounds closest to the no op amp mod. The metal can package is a real upgrade to the ceramic or plastic dip versions of these op amps, go for it.
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Headphone Setup
Auzentech X-Fi Prelude 7.1 w/Metal Can LM4562-HA for Front L/R Channel --> Eric343's Nitrogen IC's -->LISA III XP Prototype w/HighGain/HighBias: Made at Triadaudio.com -->Senn HD580/Grado HP-1
7.1 Home Theater Setup
52in LG LCD 120hz -->
Harmon Kardon AVR 354 7.1 Receiver:
Speaker Setup : Klipsch Forte II (Fronts), Academy (Center), Quartet (Surrounds), Quartet (SurroundBacks)
Subwoofer: SVS PB12/Plus
Last edited by xtreme4099; 03-29-2008 at 04:14 AM.
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