The most critical and time-consuming stage in building the amps was in the wiring of the chassis . ( Note that the trademark " right angles and neat bundles " internal wiring was being used in Hiwatts as early as 1969, before anyone external was brought into the picture . ) In 1971 Reeves picked up the phone book to find a wirer that would be able to re-create and fine tune his " super neat " approach to wiring amplifiers, and came across the name Harry Joyce.