Hello John, The J-Retro already arrived today and I just popped it in my bass within a few minutes. It sounds great. At first I thought it was putting its own very big EQ curve on the sound when set to neutral but then I figured out the notch on the bass knob is meaningless because its boost only, which is perfect. A little bass boost is all I want most of the time. The black knobs look perfect. Thank you John.

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