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Blues Jr. / Pro Jr. JJ Tube Upgrade Kit (2x EL84, 3x 12AX7)

  • Regular price $117.28
  • 3 available

Availability: 3 item(s) left in stock!

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Brand: JJ / Tesla

Sku: WBMUSB00EJXZIP6

UPC: 609722129961

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Blues Jr. / Pro Jr. JJ Tube Upgrade Kit (2x EL84, 3x 12AX7)

$117.28

Frequently Asked Questions

  • Q: What is included in the Blues Jr. / Pro Jr. JJ Tube Upgrade Kit? A: The kit includes (3) T-12AX7-S-JJ tubes and (1) T-EL84-JJ-MP tube (Apex Matched), which consists of (2) T-EL84-JJ tubes.
  • Q: What are the benefits of using JJ tubes? A: JJ tubes are known for their reliability, excellent sound quality, and durability. They provide a warm tone and can enhance the overall performance of your amplifier.
  • Q: Are the tubes in this kit matched? A: Yes, the T-EL84-JJ-MP tube is Apex Matched, ensuring optimal performance and balance when used in your amplifier.
  • Q: How do I install the JJ tubes in my amplifier? A: To install the JJ tubes, ensure the amplifier is powered off and unplugged. Carefully remove the old tubes by gently pulling them out, then insert the new JJ tubes into the appropriate sockets, ensuring they are securely in place.
  • Q: Can I use these tubes in other amplifiers? A: These tubes are specifically designed for use in Blues Jr. and Pro Jr. amplifiers. While they may fit other tube amplifiers, compatibility is not guaranteed.
  • Q: How long do JJ tubes typically last? A: The lifespan of JJ tubes can vary depending on usage, but they generally last between 1,000 to 3,000 hours under normal operating conditions.
  • Q: Will these tubes change the sound of my amp? A: Yes, JJ tubes are known for their distinct tonal characteristics, which can enhance the warmth and clarity of your amplifier's sound.
  • Q: Do I need to bias my amplifier after changing the tubes? A: It is recommended to bias your amplifier after replacing power tubes to ensure optimal performance and prevent damage. Check your amplifier's manual for specific biasing instructions.
  • Q: What is the difference between 12AX7 and EL84 tubes? A: The 12AX7 is a preamp tube, while the EL84 is a power tube. They serve different functions in an amplifier, with the 12AX7 amplifying the signal and the EL84 driving the output.
  • Q: Where can I find more information on tube maintenance? A: You can find more information on tube maintenance in your amplifier's manual or by visiting reputable audio forums and websites dedicated to tube amplifiers.