Thank you—to you the MartinLogan owner,
for loving what we do,
and
for making it possible for us to do what we love.
Serial Numbers: _______________ / _______________
Record your serial numbers here for easy reference. You will need this
information when filling out your warranty registration. Preface's serial
number is located near the bottom of the backplate and on the shipping
container. Each individual unit has a unique serial number.
Need help?
Do you have a question about the Preface and is the answer not in the manual?