1978 Boss SP-1 Spectrum guitar pedal, made in Japan, black label *Please note: Gardiner Houlgate do not guarantee the full working order of any electrical items. Do not assume that this lot
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BOSS SP-1 Spectrum Guitar Effects Pedal 1977 #12 Skeleton Switch First lot 6400 | eBay
RARE 1980 Boss SP-1 Spectrum (silver screw) | buyvintagepedals
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