Monoprice Pure Tube Stereo - Premium Package

4 Reviews
SKU: SBA-Monoprice-Pure-Tube-Stereo-Premium

Availability: Usually ships within 24 hours.

299.65

Tube upgrade package includes

This is a premium retube set for the Monoprice Pure Tube Stereo 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 Package    Ultimate Package

Additional Information and Downloads

Premium Package - Click for more information.

Bias Type:Cathode Bias (Self Adjusting)

Download:Monoprice Pure Tube Stereo Amplifier - 27222 Manual


Warranty Information and Return Policy

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

Ratings & Reviews

4 reviews

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Astonishing Upgrade

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I'm brand new to the world of tube audio amplifiers although it's fast becoming an obsessive hobby. The sound improvement over the stock tubes is astonishing. There's great stereo separation, a much wider soundstage, crispness and detail in the instruments/vocals and punch in the bass/percussion. And talk about headroom - I've never needed or wanted to go past the 11 o'clock position on the volume knob (driving a pair of Klipsch RM-15s and a small subwoofer in a medium sized room with vaulted ceiling). I've run these tubes about 30 hours over 4 days and they seem to be getting better and better with each use. Highly recommend this upgrade package.

Great Upgrade!!

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Great upgrade, bass response, clarity, headroom and separation all much better. Running Klipsch Rp-500m bookshelf speakers. Plenty loud at 30% volume, no distortion at 100% but too loud to listen for longer than a few seconds. 100% satisfaction.

Fantastic people and products

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The tubes are fantastic, am able to hear every instrument in our Latin music. Very warm, and clear. Strongly recommend and the folks at the TubeStore are super knowledgeable and friendly.

Saved this amp from being returned.

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My old NAD died and I haven't built my Transcendent kits yet so I grabbed this Monoprice Pure Tube amp to tide me over. Well, from the factory this little amp had a 50 db (50! Measured with 2 different meters. Holy cow. ) 60hz hum from both channels at zero gain. Absolutely brutal. Swapped the tubes for the premium package and zero hum from the right and a tiny bit from the left before burn in. To say the difference is night and day would be understating it. Easily runs my Klipschorns at impressive volumes. And overnight service on Dec 23 for $13 bucks! That was sweet. Good job Tube Store. You'll be hearing from me when it's time to tube up my kits (25 tubes. Whew. )