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Jet City Custom 22 Power Tube Replacement

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Time Required: 20 - 25 minutes
Difficulty: Moderate
Jet City Custom 22  Power Tube Replacement

Introduction

Go to step 1 ↓

This guide shows how to replace the power amp tubes in a Jet City Custom 22 guitar amplifier.

Vacuum tubes can become faulty for a number of reasons, but most commonly it is because they have a limited life span. Damaged or old tubes can have a large impact on the overall sound of the amplifier, so changing them often can greatly improve your results.

Changing amplifier tubes is a fairly straightforward process, and the only tools required are a screwdriver and the replacement tubes.

What you need

Parts

Tools

    1. Jet City Custom 22  Power Tube Replacement, Power Tubes: step 1, image 1 of 1
      • Unplug the amplifier and let it rest for at least 15 minutes prior to beginning the repair.

      • (Optional) Wash hands before touching the tubes. Oils in your skin can affect their lifespan.

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    2. Jet City Custom 22  Power Tube Replacement: step 2, image 1 of 2 Jet City Custom 22  Power Tube Replacement: step 2, image 2 of 2
      • Remove the six screws with the Phillips #2 screwdriver

      • Remove the panel.

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    3. Jet City Custom 22  Power Tube Replacement: step 3, image 1 of 2 Jet City Custom 22  Power Tube Replacement: step 3, image 2 of 2
      • Carefully remove the spring system for each tube by lifting and rotating.

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    4. Jet City Custom 22  Power Tube Replacement: step 4, image 1 of 3 Jet City Custom 22  Power Tube Replacement: step 4, image 2 of 3 Jet City Custom 22  Power Tube Replacement: step 4, image 3 of 3
      • Carefully rock the tubes loose and remove them.

      • Be sure to grip the tubes only at the top.

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    5. Jet City Custom 22  Power Tube Replacement: step 5, image 1 of 1
      • Remove your replacement tubes from their packaging (yours may differ).

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    6. Jet City Custom 22  Power Tube Replacement: step 6, image 1 of 1
      • Line up the pins on the bottom of the tubes with the sockets in the amplifier.

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    7. Jet City Custom 22  Power Tube Replacement: step 7, image 1 of 1
      • Carefully insert the tubes into their sockets.

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Conclusion

Once the new tubes are in place and the back panel is attached, power the amplifier on and ensure that tubes are lit. If they are, then the amplifier is ready to go!

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Nik Sauer

Member since: 10/06/17

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