Jolida JD 9 - Premium Package

1 Review

Availability: Usually ships within 24 hours.


Tube upgrade package includes

This is a premium retube set for the Jolida JD 9 tube amp. These vacuum tubes provide excellent tone at a reasonable price and the most popular combination recommended by customer feedback.

We’ve been supplying tubes for over 20 years. Use our extensive knowledge, experience and customer feedback to select re-tube packages that will work great in your tube amp.

Also Available:
Upgrade PackageUltimate Package

Additional Information and Downloads

Premium Package - Click for more information.

Bias Type:Not applicable

Warranty Information and Return Policy

Warranty may vary for tubes in this package. See included tubes webpages for specific warranty details.

Ratings & Reviews

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JD9 Norther Electric vs TungSol 12AX7


Used with a Grado wood body & CJ Tube amp/preamp gave improvements in dynamics & transients as well as greater emphasis on midrange & bass over the Tungsol OEM tubes -giving a much richer and vibrant sound. If there is a downside the sound borders on being a little too rich or sweet in my system, but bottom line is the music is more involving and I have never enjoyed the music more. If your system is not overly rich already then these tubes are well worth the price.