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Welcome to Nelion Audio

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Vintage audio integrations and upgrades

Custom modifications

Reaching the best sound quality possible

  • Availability

    Due to high volumes of requests, we are currently Scheduling at least 8 weeks out. Turn around is 2 weeks on refurbs, repairs are case by case, but usually a week or two. Thank you so much for visiting!

  • Hello,

    Welcome to Nelion Audio, LLC (formerly Carvermk2.com). We're a Carver service center, recommended and authorized, for the restoration and upgrade business focused on creating the very best vintage audio experience for you.

    We'd like to extend our gratitude to you for visiting our site. We take a lot of pride in our services, products and workmanship. In a world where everything is quick, easy and disposable, we are about quality, durability and dependability. We are highly experienced audio experts ready to make your prized vintage gear shine - from the clean and polished face plate, to creating the best sound stage for your ears.

    Feel free to register on the site to receive our newsletter for special benefits and offers.

    Please consider working with us. We are more than just a repair shop. We earnestly want you to enjoy your music and all the gear you've worked hard for - worry and trouble free. We're ready to join your journey through the high fidelity audio world, discovering and creating new and exciting experiences and products. We are here for you!



    Greg Garska, CEO

    Nelion Audio, LLC

    ~Where Music Lives On~


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  • How requesting service works

    1) We schedule over email. Please contact us at Service@nelionaudio.com

    2) If you have questions, feel free to call, however, we do not schedule over the phone (unless you don't have email).

    3) Please be prepared to list the services and options you'd like. Go to 'Our Services' above to see pricing and details of many products we service and upgrade.

    4) Once scheduled, you'll receive a confirmation email with all the details about shipping, billing, recommendations and offers.

    5) Expedited services are available for an addition fee. Please ask for details.

    6) Ship or drop off your units before scheduled date - we perform the work - then send tracking and invoice. Upon payment your units are shipped back to you.

  • <CLICK HERE> Take me to Carver Amps for pricing and details!


    <CLICK HERE> Take me to Carver Preamps for pricing and details!




    We service SUNFIRE and PHASE LINEAR. Please Contact Us for a quote.

    Thank you!

  • Featured Restore

    Carver Lightstar Series I





  • Nelion Audio Exclusive Products

  • Need help? Ready to schedule a repair or restoration?
    Click below!
  • Yes we are in business! The dates on some posts show when the information was first added, not last updated.

  • Services

  • Testimonials

    "Dear Greg and Jenny,

    I received my Carver M1.0 mkII op2 amplifier back and hooked it up.  It sounds fantastic and looks great with the blue led’s.  It is such a warm sounding amplifier.  Very quiet. Like Picasso painting on black canvas when I listen to my tidal Master recordings. Better imaging, more transparent, warmer, cleaner, I could go on and on but you already know all of this.  I’m so impressed and want to personally thank you for your incredible talent." - Sheldon H.


    "Hi Greg,

    The amp arrived earlier today. Put into a system with a Sony TAE 86 preamp and ADS 1230 speakers.

    I had been using the matching Sony TAN 86 Class A amp. I’m the original owner since 1980 and had them completely redone last year. And I thought they sounded great. 

    The difference is huge. I am blown away. The music brings tears to my eyes. To say the upgrade [M1.0t mkII opt002] is worth it would be a gigantic understatement. 

    Thank you." - David W.



    INCREDIBLE SOUND!" - Kenneth K.


    "Hi Greg,

    The amp was delivered this morning, and I’ve got it hooked up.  It sounds GREAT!!!

    Thank you so much!  I will make sure to share this positive experience with all my solider buddies who probably need theirs refurbished too.

    I have goose bumps. 😄 " - Gerry S.


    "Super!!!!   Thanks!!!!!   The amp’s sound is exquisite!!!!" - Fredrick L.


    "Hi Greg,

    Holy Smokes! These sound absolutely incredible! I was honestly wondering if there would be an audible difference. Unreal. Very happy! Any productivity I hoped to accomplish today went down the drain.
    Thank you very much for the quick turnaround!" - Chris W.



    "Hello Greg.
    I just received my M1.0t back from your shop and I wanted to say that the amp sounds wonderful!

    I can't thank you enough for your outstanding service, backing up your reputation with solid service and expertise that took a problem situation for me and turned it back into a wonderful listening experience!

    Thank you for the warranty work and your willingness to go above and beyond to make this customer satisfied! My 1989 Carver never sounds better!

    I wish you all the best and highly recommend anyone needed to bring their Carver amps back up to original speed, to GO TO YOU before anyone else!

    All the Carver Best!" - Dan J


    "Hi Greg

    I have been out of town and just hooked the 4000t up yesterday. I had no idea how much a preamplifier could improve the sound of my little Hafler SE120 amp. You did an amazing job. I am very satisfied.

    Thank you!" - Jon S


    "14 day after receiving, M1.0MK II Upgrade
     = Mind Blown!!!
    What an incredible difference! 
    Thank you for restoring true audio and completing a 15 year dream." - Blake F

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