https://worldradiohistory.com/Archive-All-Audio/Archive-Audio/70s/Audio-1976-11.pdf#page=41^^^
The JVC Cutting Center has found that the use of
Sound Guard results in a slight increase in noise
(about 2-3 dB), but recommends its use
on disco Quadradiscs.
Anyone have experience using Sound Guard
on CD-4 discs (maybe it would help reduce
the "sandpaper" sound on damaged CD-4 discs)?
Kirk Bayne
The JVC Cutting Center has found that the use of
Sound Guard results in a slight increase in noise
(about 2-3 dB), but recommends its use
on disco Quadradiscs.
Anyone have experience using Sound Guard
on CD-4 discs (maybe it would help reduce
the "sandpaper" sound on damaged CD-4 discs)?
Kirk Bayne