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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: half-speed LP to digital?

Waste of time.

Modern cartridges can track anything cut on the record (except for screw-ups in the process like the 8hz cannon shots on the Telarc 1812 or the 100+ cm/sec levels on the Sheffield Labs Thelma Houston vocals). Most album levels are less than 5cm/sec.

Half-speed mastering was done for power limitations in the cutter head amplifier. Decca half-speed mastered all of their recordings in the 60s.

With bigger amplifiers available in the 70s there was no need for this. Mobile Fidelity used this as a sales gimmic. Their albums sounded different because they re-equalized the master tape, it had nothing to do with the half-speed process.


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