Vintage 1970s - NEI Neptune Electronics - 611 analog mixer -

The Neptune 611 (often found as the NEI Neptune 611B) is a vintage 6-channel analog audio mixermanufactured in Portland, Oregon, by Neptune Electronics Inc. in the late 1970s and 1980s. It features 6 channels with XLR & 1/4" inputs, built-in preamps, high/low EQ, and a distinct onboard spring reverb. [1, 2, 3, 4, 5]Key Features & Character

• Sound Profile: Known as a "sleeper" vintage find, the preamps provide a warm, smooth, and natural sound with a sweet low-end presence, making them highly desirable for tracking vocals or instruments like keyboards and bass.
• Overdrive: When channel volumes are pushed, the unit produces a raunchy but musically pleasing square-ish wave clipping.
• Reverb: Features a built-in spring reverb for vintage coloring, though older models can sometimes have quirks like a "runaway" effect that requires a gentle tap on the knob to reset.
• Individual Outputs: It includes individual preamp outs and an effects loop on each channel.