Rheem Kee Bass

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via this auction

Pic of the inside circuit board below.

"Rheem Kee Bass (spelled K-E-E instead of the conventional "Key") Vintage Keyboard Bass Organ/Synthesizer in excellent condition and in good working order. A cool vintage variant on the ever popular Rhodes Piano Bass, this keyboard is essentially an extended bass section from your favorite Combo Organ, with various controls to shape the sustain and tone. The Rheem Kee Bass is unique in that it was the only bass organ ever produced in the 1960s and really adds some great, tweakable low end to your keyboard setup.

If you've always counted on the bass section of your Vox Jaguar or Farfisa Compact and wished you had those features in a portable package, the Rheem is a perfect fit! With controls for Fuzz, Sustain, Percussion (note attack/decay) and Tone, you can easily dial in a sound that will sit well in a band environment. The "Bass Booster" lever is easily the coolest feature on the unit, allowing you to boost low end presence and gain with one easy control that's easy to manipulate on the fly. Perhaps most famously used in sample form for the bass on the Raveonettes entire "Lust, Lust, Lust" record, this keyboard bass is the perfect secret weapon for your keyboard stash.

All keys work as they should, respond evenly and are in tune! Under the hood, this Rheem is 100% original and has the unique distinction of having a tuning pot for each individual note if you had the wild hair to stretch tune your Kee Bass. The original power cable and cover are also included and both latches still work well. Cosmetically, this Rheem is quite clean, with some wear on the rear logo and left cheek block, but no serious wear of any kind!"