Repairing a broken 78 RPM record
I have glued (vary carefully) broken 78's and then used a crayon to smooth out
the repair. It may take some practice so, it's best to practice on a disc that
Here's what I did;
Your work surface should be flat and the disc should be placed on a material
that is impervious to the glue. Use as little glue as possible.
I use a toothpick as an applicator.
If the glue oozes into the grooves, you've used too much and it's best to start
over. You don't have to apply glue the entire broken piece(s). Just enough to hold
the disc together. Cellophane tape can help hold the pieces in place while the
glue sets. The type of glue is your choice. Super Glue dries fast which, can be a
bonus, but it sticks to everything.
I prefer something more viscous that provides a little more setting time because
I use a microscope to make sure that the grooves are realigned. Epoxy has a set
time that you need to be aware of. Different types of epoxy have different set and
cure times. If the record is broken but hasn't separated or just cracked, glue on
the outer edge before the grooves start and see if it will play. I like to use Super
Glue for this type of repair. Then, I use a crayon to fill any gaps. The color of the
crayon doesn't matter however, the lighter colors are easier to see what you're
doing but they tend to show the repair effort.
I often apply the crayon as is and sometimes I will use a hair dryer or heat gun to
melt the crayon depending on the repair. Sometimes, I will melt the crayon and
work with a liquid. It all depends on the repair and what will work the best.
When satisfied with the crayon application, I will use a hair dryer or heat gun and
a fine bristled paint brush to smooth out the crayon, following the direction of the
grooves. Chip brushes work well for this. Plus, they are cheap and disposable.
I usually have to trim the paint brush. Play the disc a couple of times with a
cheap stylus that's right for the disc to smooth things out. If the disc is to be
digitized, record everything, even the smoothing passes.
Today's restoration software can do an amazing job so, use it if you have it on a
copy of the file.
If you have any suggestions or questions, please contact me.
© Corey Bailey Audio Engineering
DO IT YOURSELF?
BAKING AUDIO TAPE
LUBRICATING AUDIO TAPE
REPAIRING A BROKEN 78
FLATTENING A RECORD
A Little About Sound
Optimizing your PC
Packing Records for
People I have Known
Playing Records Wet
Playing a Wire Recording
Saving Your Family Video
The Ken Slater Tapes
Tubes vs Transistors
What Type of Wire?
Your Digital Data is at Risk