Tweakers' Asylum

RE: upgrade op-amps for the Adcom GFP 565 Preamp

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Hi and i think you are very right indeed
This is a point very overlooked. The op-amps to sound clean and powerful need many and fast uF very close to them.
I have a Hegel preamp ... a P20. I see many OPA604 inside with quite big caps very close to the OPA. The sound is very clean and powerful.
A little sharpness in the details can be tamed with break-in and the right cable selection.
I am keeping this preamp. Even if it is op-amp based.
I have also an old Electrocompaniet 4.5 full discrete. I like the transparency of the Hegel better.
So op-amps can be extremely good when right used.
Thanks again for confirming a sensation.
Kind regards,
bg


Edits: 05/17/15

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