If you like image and focus of the music then the SFP-1 is the one. I also like it with Denon DL-103R MC cartridge. I compared my SFP-1 with heavily moded EAR 834P, Quick Silver phono, ASL mini phono. I upgraded my with larger power supply cap. and fast acting diodes. These upgrades improved low frequency punch and pace. My SFP-1 version had similar resistors and caps in the phono section as SFP-1 Sig. from the factory. I use SFL-2 preamp and SF power 2 amp.
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