| Nordstrand Preamp vs. U-Retro Preamp???
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hey all,
looking to replace the aguilar obp-1 in my valenti w/ fatstacks.
i barely use the split coil option, and would like a little more versatility w/ a variable mid. any impressions on either one for a slap sound from hell?
i actually really like the j-retro in my parts bass, but was thinking of maybe trying something different. | 
