HAFLER MODEL 100 STEREO PREAMPLIFIER – SERVICED – CLEANED – TESTED. WITH ORIGINAL BOX. THIS VINTAGE STEREO PREAMPLIFIER WORK GREAT AND IS IN EXCELLENT CONDITION INSIDE AND OUT. WE REPLACED ALL DEFECTIVE CAPACITORS AND ANY OTHER DEFECTIVE COMPONENTS. CLEANED ALL CONTROLS AND SWITCHES. REPAIRED ALL POOR SOLDER CONNECTIONS. (WE HAVE BEEN IN BUSINESS FOR OVER 60 YEARS REPAIRING VINTAGE AUDIO EQUIPMENT.) IF YOU HAVE ANY CONCERNS, PLEASE CONTACT US PRIOR TO YOUR PURCHASE.