Zenith Mastering

Mix & Mastering Engineer

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15 Reviews (4 Verified)
Zenith Mastering on SoundBetter

Zenith Mastering AKA A Sides - London based music producer with over 30 years experience specialising in mixing and mastering dance music using the finest hybrid analogue technology.

Zenith Mastering founder Jason Cambridge is no stranger to the music industry. He has built himself a career as a worldwide recording artist and record producer as well as having an international DJ career since his first release hit the streets in 1991. Since then he has been carving a career for himself as an independent artist releasing 7 solo albums as well as 2 collaboration albums and hundreds of singles on his own record labels and many other highly respected record labels. Jason has undertaken extensive work in music library production across many different formats working for companies such as Sonoton and Extreme Music landing his productions on major TV shows such as Top Gear, Ross Kemp On Gangs, Hardcore Pawn, Wheeler Dealers and featuring on commercials for major corporations such as Nestle. In 2021 Jason began his journey to build his own mastering and production studio which incorporated the best of Analogue, Digital and Hybrid equipment. Fast forward to 2023 and the journey is now complete and we are happy to present to you Zenith Mastering.

Send me an email through 'Contact' button above and I'll get back to you asap.

15 Reviews - 1 Repeat Client

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  1. Review by DJ Koncept
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    Thanks very much, great job as per usual on the stem mix! Sounding more balanced with a nice analog flavour! Also I appreciate the patience of the back and forth to get it over the line! Always exceeds expectations, highly recommended

  2. Review by Michael L.
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    Jasen is an absolute pro with production/mixing/mastering! Not to mention really helpful and very patient. His decades of experience will never fail you!

  3. Review by DJ Koncept
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    Outstanding work as usual from Zenith Mastering. I have been using these services since around 2019, and always exceeds expectation. This time I'm even more impressed, you can really hear the analog character shine through and the mixes sound more balanced and glued together whist retaining the feeling I was aiming for with mixdown. I'm very grateful for not just the state of the art equipment used, but also the expertise and fresh ears for those final critical mix decisions. Thanks!!! 10/10!!

  4. Review by Chris
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    by Chris
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    Working with Zenith Mastering was extremely lucrative, professional and seamless. From this process I've actually learned a lot more about mixing and balancing my own tracks. I felt like I was taking a Masterclass throughout the steps of each version. The track that was delivered exceeded expectations and has motivated me to write more songs. I'm really looking forward to working with Jason for the next record. Brilliant

  5. Review by Liam
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    by Liam

    Want to say a huge thank you to Jason!

    His knowledge and expertise is second to none!
    He mixed and mastered my debut EP and I’m extremely happy with the results! Will be a repeat client for sure!

  6. Review by Ray
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    by Ray

    After being a great admirer of Jasons (A-sides) work over the years under his many aliases, I decided to send over an old tune I did many years ago and had done nothing with, have to say he provides a great service for the mastering, the end product is real nice quality sound, as said in previous reviews he is helpful and patient in his dealings with you, communication is good, and is mainly interested in getting to know exactly what you want so he can deliver it to you as a final product. Very professional service, highly recommend Zenith mastering. Will be sending a few more over to him.

  7. Review by Bouman R.
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    I have been working with Jason at Zenith Mastering for the last 6 months and he has supplied me with stem mix downs and masters for myself and several artists signed to my label including Orlando Voorn & Byron The Aquarius. Jason provides a fast professional service and is very helpful giving vital feedback to me when I deliver him premasters or stems. Recently his studio has seen some major upgrades which has enhanced his production to another level. I love the sound coming from his mastering chain. I look forward to working with Zenith Mastering on more projects in 2024. Highly recommend!

  8. Review by Femi  Olasehinde
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    by Femi Olasehinde

    I have enjoyed working with Jason since 1992, and I wholeheartedly recommend his services. Over the years, I've witnessed his remarkable growth in production skills across various genres, driven by his natural ability, passion for music, and meticulous attention to detail. He is easy to work with, reliable, and has a genuine love and deep understanding of various music genres, contributing to his authenticity and richness. In summary, Jason is a highly skilled, reliable, and passionate professional in the field of music production & mastering.

  9. Review by Adam Black
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    by Adam Black

    I have been a client for the past few years and I’m very happy with the masters I’ve received. The studio keeps levelling up and the sound keeps getting better!

  10. Review by Ugly MC
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    by Ugly MC

    I’ve used Zenith now for 2 Hip Hop Tracks I’ve produced to mix and master my music. The results speak for them selves Jays ear to detail will make your tunes pop and his years of production and djing clearly shows in the final result!!! You won’t be disappointed using Zenith for your mastering and mixing needs!!!

  11. Review by Matthew Early
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    by Matthew Early

    Such a great experience form start to finish, we where blown away by how great our final master was, Jason has a plethora of knowledge, this helped us with our initial pre master, and was happy to talk us through his extensive process, we won’t use anyone else going forward!! Thanks again Zenith Mastering for an outstanding professional job

  12. Review by Herbert Valdez
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    by Herbert Valdez

    Got 4 tracks stems plus mastering and I couldn’t be more satisfied. Tracks sounded really thick, clear and had that nice analog shine. When I get more tracks finished I’m definitely going to use Zenith again!!!

  13. Review by Spikey Tee
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    by Spikey Tee

    I am totally happy to endorse Zenith Mastering. Quality work with quick turnaround. I wasn't surprised at the quality, more the speed. Amazing.

  14. Review by Alex Pipes
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    by Alex Pipes

    I’ve had Jason master two jazz fusion projects for me now and would highly recommend him to anyone in any genre looking for great sounding masters. The tracks sound amazing. Great communication and speedy turn arounds too!

  15. Review by nicolas p.
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    Big Ups to Zenith Mastering!
    I know A-Sides / Jason for two decades and his own music since the mid 90s.
    Jason runs a serious biniz & delivers quality sounds in his Music productions, Remixes or Mix & Mastering Jobs.

    You get the Sound with "The Uhhmpfs" and "The Aaahh", the one you need to be in Level with the Top Record Labels around these times.

    Zenith Jason supports you if he thinks something is missing or wrong in your mixes, so best you stay open and maybe let him try a Stems mix aswell to get the most and best possible sound out of YOUR work.

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Terms Of Service

3 revisions per song allowed. £10 per extra revision / Version required. Fast turnaround time.

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Gear Highlights
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More Photos
  • Antelope ZeoJan 03, 2024

    We have just taken delivery of an Antelope Audio Zeo portable headphone DAC. This will be perfect for working while travelling and making critical mix decisions while on the road. Our Audeze LCD-X sound amazing powered by this unit. Thanks Antelope Audio <3 https://en.antelopeaudio.com/p...

  • Wonderful World released todayJan 02, 2024

    Today our friends Lee Jeffries & Matt Early Music released this beauty on Spotify. Wonderful World was mastered with care by Zenithmastering <3 https://open.spotify.com/album...

  • Sessiondesk FeatureDec 22, 2023

    Our studio has been featured on Sessiondesk's Instagram profile. You can see the feature and pics here :https://www.instagram.com/p/C1... Thank's to the crew at Sessiondesk we highly recommend there modular system for storing all of your treasured outboard kit <3 

  • Now powered by Elysia Envelope Mastering EditionDec 06, 2023

    Today we have patched in our new Elysia Envelope Mastering Edition. This unit doubles up as a 2 band analogue EQ or a transient designer with independent frequency controls for attack and sustain so we can add snap on your top end while tightening up your that boomy kick or just use as a traditional transient designer. For more info check out https://www.elysia.com/nvelope/

  • Now Antelope Audio Orion 32+ Gen 4 poweredDec 04, 2023

    I am happy to say that we are now running the latest Antelope Audio interface Orion 32+ Gen 4. This unit features beautiful sounding conversion and has a powerful user interface which enables us to bring all of our analogue hardware into the digital domain. Thank you Antelope Audio <3 For further information check here : https://en.antelopeaudio.com/products/orion-32-gen-4/ 

  • Trinnov Nova Optimised StudioNov 26, 2023

    I am happy to announce that I am one of the first studio's in the world to incorporate Trinnov's new Nova interface into my working setup. The ultimate in room correction :)