Their superiority was due to the superb quality of his recording techniques and his mastering which allowed for greater dynamic range and low noise levels, but also to the fact that, by 1955, they were manufactured by a special pressing process he developed.
Their superiority was due to the exceptional quality of his recording techniques and mastering, which enabled a wider dynamic range and lower noise levels, but also because by 1955 they were produced through a special pressing process he invented.