audio-gd OPA-Earth or OPA-Moon question? - Head-Fi: Covering Headphones, Earphones and Portable Audio

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audio-gd OPA-Earth or OPA-Moon question?

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#1 (permalink)

02-01-2009, 03:38 PM

gjergji

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Join Date: Jul 2008

Posts: 38

audio-gd OPA-Earth or OPA-Moon question?

Hello,
I know that I can/will void the warranty by changing the opamp on my Head-Direct EF1.
But my question is:
is it technically possible to install an OPA-Earth or OPA-Moon of audio-dg in this amp?
They seem to be driven by 9V - 25V...
Is it technically compatible?

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Main Rig: Beyerdynamic DT 770 Pro 80 ohm/Denon MD5000(denon sucks for heavy metal, excels everywhere else) - Head-Direct EF1 - Auzentech X-FI Prelude with dual ad797brz

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