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In the Forum: Analog Playback
In the Thread: The last phonocorrector: “End of Life" Phonostage
Post Subject: Good engineering parcticesPosted by N-set on: 3/17/2020
I'm wondering if Romy experimented with the feedback resistor quality. His ingenious contribution to the design was to use the purest caps possible as in the feedback loop every imperfection gets amplified. So the next logical step after caps would be the resistor. I admit I'm a bit lazy here as changing anything in my layout costs quite some work.
Rowuk - in my world low noise selected tubes and ultra low noise resistors in crucial positions are a good engineering practice not a high end boutiqueness. Both z foils and red tip Tlf tubes come from medical/scientific equipment, not high end. The goal? You remember the touch of music on your cheeks that was not the air conditioning? Let's call it the goal.
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