Ibanez GRGA32T GRGA Series Electric Guitar with Tremolo - White Maple GRGA necks GRGA42 models have quilted Maple Art Grain tops and EMG pickups Tremolo models feature Edge III bridge EMG-HZ passive pickups require no batteries and feature high gain and low noise. In the last two decades, no other guitar maker besides Ibanez has done so much to advance the art and science of the tremolo. The Edge III represents the next phase in locking tremolos.