Welcome to Alpha Gem Studio, the private "audio HQ mastering" studio of music producer and recording-mastering engineer H.D.M. Davids a.k.a Castor Six @ Castor6 Records, located in the Netherlands.

High Quality Mastering at prices independent musicians can afford, are you Ready to get a professional sound for less?

The professional engineer at Alpha Gem Studio has years of experience mastering every genre of music for musicians at Castor6 Records and works in custom built mastering room that house some of the best monitors and recording gear available. Get the huge sound you want at a fraction of the cost.

Our hybrid analog-digital studio is equipped with a hand-picked selection of high-end analog gear and digital plug-ins.

Your music will receive the individual care and attention it deserves. Alpha Gem Studio mastering service takes control for the independent artists without the luxury of a major label budget to make a master that sounds perfect on all speaker systems. And will provide you with the highest quality product possible, one that stands head and shoulders above the rest!

Genres I specialize in

Terms of Service

Endless, track must be perfectly through the ears of the musician / owner. A good preparation of your material can save a lot of time during a mastering session and turnaround time;) So work with me!

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