Here i am selling a fully functional tested Spec 1 preamplifier working as intended. unit has been serviced recently we set the voltages to factory and cleaned all the controls. All controls are quiet. I have owned this unit for 20 yrs and have never had a problem with it. this unit does have scratches here and there but is very presentable. please see the pictures for a full description. thanks for looking this sale is only for the SPEC 1. PREAMPLIFIER.