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In Reply to: Re: Mod tube OP-stage, Sugestions appreciated posted by danlaudionut on April 9, 2007 at 03:52:27:
Dan,
The gain is ok, even with the passive stepped attenuator I am using.As a second step I was planing on replacing the recent avctive I/V/buffer (hugh amount of OP-amps) with a resistor, and in that case some extra gain will propably be needed.
My CD-player is built around two parallell B-B PCM1792 Dacs, so I am planing on using aprox. 40Ω Holco resistor to convert the output current to voltage (replacing all those OPs).
But as I was saying, the first step is to improve the OP-stage.
Thanks for your advice Dan, I´ll sent some POVs when the OP is playing.
Regards
Pix :-)
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- Re: Mod tube OP-stage, Sugestions appreciated - ahlgren11@telia.com 04:33:37 04/09/07 (0)
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