1978 78 Boss SP1 SP-1 MINT Vintage No Reserve Silver Start Price USD 650.00 Current Price USD 650.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Thursday, October 02, 2008 End Time Thursday, October 09, 2008 Location San Diego, CA See more about '1978 78 Boss SP1 SP-1 MINT Vintage No Reserve Silver' Description 1978 Boss SP1October 1978, The Ultra rare: April, 1980, Vintage Silver screw, clear switch Boss SP-1 Arguably the Rarest Boss compact series effects known to exist. SP-1 is a parametric equalizer with one frequency band only. The spectrum knob sets the frequency range in the interval 500Hz to 5kHz. The balance knob sets the peak within the range. This unit is in MINT condition and works flawlessly. These sound GREAT, This one works as it should, no modifications or repairs. Pots turn smoothly with no noise, switch works Perfectly. Buyer is responsible for all shipping. $15 shipped with Fed Ex Express saver. $45.00 with EMS outside of the US. Paypal, Bank check, bank wire and Money orders accepted. Item must be paid for within 7 Days after auction. Any bidder with less than 10 Feedback, please ask before bidding or your bid will be removed. 72 Hour Approval. No reserve!! Place a Bid!