The PT-1000 is effectivly a PT-900 with a treadle controlled speed pot. With the change from PT-900 to PT-999, the circuitry of the PT-1000 changed as well. The later version is easily to be distinguished by the added LED.
02/25/2017: ToneHome is looking for an Ibanez CS-505 narrow box first issue with flying fingers side graphic. Any hint is highly appreciated. Other than that we're looking for boxed effects or just boxes for Ibanez narrow box GE-601, AD-80, CP-835, OD-850. Please submit your offers or leads here: e-mail