Rockboard by Warwick Stage Tuner ST-01 V2 spares or repair. Chromatic True bypass 28 Segment (FND) and LED display Separate output for audible tuning Tuning range A0 to C8 (27.5 to 4186 Hz) Reference frequency adjustable: 432 - 445 Hz (in 1 Hz steps) Detuning function with 3 settings (b / bb / bbb) Accuracy: +/- 1 cent Metal housing Power supply via enclosed 9 V battery or optional 9 V DC power supply (RockBoard Power Ace, polarity (-) inside, 2.1 x 5.5 mm barrel connector, not included) Current consumption max. 22 mA Dimensions (W x L x H): 73 x 110 x 47 mm Weight incl. battery: 300 g Bought new from Thomann last autumn, sometimes works perfectly, sometimes doesn’t at all, might be a very simple fix.
