Phild you might consider a Tripp-Lite LS 604 line conditioner ($138.65 with $10,000 insurance). This device will bring voltage as low as 87 volts up to a minimum of 107 volts. A maximum of 140 volts down to a maximum of 126 volts.
Don't risk ruining your stuff from a brown out.
Don't risk ruining your stuff from a brown out.