Guitar Synthesizers Modifications, repairs and installations of guitar synthesizer hexaphonic pickups. Mounting a Axon AX-101 hexaphonic pickup on a Gretsch archtop Detail of mounting a Axon AX-101 hexaphonic pickup on a Gretsch archtop G-202 body G-202 magnetic and piezo hexaphonic pickups G202 Conversion G202 connectors detail G202 Conversion with connectors fitted G202 cable G202 connector detail A close up view of the RMC piezos installed in the Tama nylon string guitar.