Blackstar HT Studio 20 - Premium Package
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This is a premium retube set for the Blackstar HT Studio 20 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:
Value Package
Ultimate Package
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:
Value PackageUltimate PackageAdditional Information and Downloads
Premium Package - Click for more information.Bias Type:Adjustable Bias
Warranty Information and Return Policy
Warranty may vary for tubes in this package. See included tubes webpages for specific warranty details.
Ratings & Reviews
1 review
Great tube package
by Andrew
Had stock preamp tubes and replaced with JJ power tubes and Mullard lower gain tubes. Sounded good but wanted more drive. Replaced Mullards with JJ and sounded fine.
After some pedal upgrades decided to retube with this premium package. Very happy I did.
Clear, clean noise free when running dry. Run a Katana boost in front and some slight noise but handles the addition gain in preamp fine. EQ is more defined and its loud.
Well worth the investment with one small complaint: the poles/legs on the preamp tubes were slightly bent requiring some delicate force to straighten. Not sure why but made them work.