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RC-4136 and TL074 Opamp Replacement Question - Head-Fi.org
2005年3月23日 · I recently acquired a vintage Carver C-4000 Preamp. I love this unit but I want to improve its performance by upgrading some of its 14-pin DIP quad opamps - in particular the …
SR-71 First Impressions w/pics(dial-up warning) - Head-Fi.org
2012年7月25日 · Search titles and first posts only. Search titles only By: