This tube has a well balanced, colorful tone with strongly defined lows, mids and smooth highs. It allows for more clean head-room than higher gain 12AX7s. In overdrive, it is smooth and strong with well defined lows and mids. When pushed into overdrive it offers clean distortion with well balanced lows and mids. The JJ 12AX7 is well suited for all types of music and playing styles. It is also highly recommended for studio pre-amps and hi-fi gear

Octal power tube (Max Plate Watts = 14W)

JJ's EL84 is a great replacement for guitar amps or hi-fi.

Octal power tube (Max Plate Watts = 25W)

The JJ ECC803 is a long-plate version of the standard 12AX7. The longer plates give the tube higher gain. It has a rich and full tone with creamy distortion that does well in any 12AX7 application. Spiral filament for reduced microphonics. JJ Tubes are known for known for their high quality, durability, and their excellence in tone. Formerly produced by Tesla, JJ tubes are still made to exacting standards. They work well in all applications.

The JJ 12AU7 is built in the same fashion as the legendary 12AX7 JJ. Solid construction and extreme attention to detail make this tube one of the best preamp tubes in production today.

JJ Electronics 12DW7 dual triode.

JJ Electronics premium EF86/6267.

Tube Complement for Marshall JMP (100W) or JCM800 (100W) Includes: (3) T-12AX7-S-JJ (1) T-EL34-JJ-MQ, which includes: (4) T-EL34-JJ

Replacement for 6922, 6DJ8, ECC88 and E88CC tubes. JJ Tubes are known for known for their high quality, durability, and their excellence in tone. Formerly produced by Tesla, JJ tubes are still made to exacting standards. They work well in all applications.

Octal power tube (Max Plate Watts = 42W) Base Type: Octal Uf 5.3 V If ca 1.6 A Typical Characteristics Ua 250 V Ug2 250 V Ug1 -15 V Ia 140 mA Ig2 max. 7 mA S 11.5 mA/V Ri 12 kΩ μ-g1-g2 8 Triode Connected Ua,g2 250 V Ug1 -15 V Ia+g2 147 mA S 12 mA/V Ri 670 Ω μ 8 Limiting Values Ua 800 V Ug2 600 V Ug1 -200 V Wa 42 W Wg2 8 W Wa,g2 46 W Ik 230 mA Uk/f 205 V Rg1-k cathode bias Wa+g2 35 W, between 270 kΩ and 470kΩ Rg1-k fixed bias Wa+g2 35 W, between 100 kΩ and 220Ω Capacitances Cg1 16.5 pF Ca

Tube Complement for Fender Twin Reverb or Showman Includes: (4) T-12AX7-S-JJ (2) T-12AT7-JJ (1) T-6L6GC-JJ-MQ, which includes: (4) T-6L6GC-JJ

Octal power tube (Max Plate Watts = 25W) The E34L has a slightly higher grid voltage rating (-13.5 to-16.5 vs -10 to -13.5 volts) than the traditional EL34 vacuum tube. For the same idle plate current value, the E34L is typically biased with a more negative grid voltage than the EL34. This allows the E34L to offer more headroom (later breakup) than the traditional EL34. Available in Singles, Matched Pairs or Matched Quads - please select from list.

Tube Complement for Fender Blues Jr. Includes: (3) T-12AX7-S-JJ (1) T-EL84-JJ-MP, which includes: (2) T-EL84-JJ

JJ Electronic EL34 - Burned in for Maximum Stability Available in Matched Pairs or Matched Quads - please select from list.

The JJ EL-844 is a new version of the EL84 tube. It has Reduced power and a more balanced frequency response. Spiral Filament. Available in Singles, Matched Pairs or Matched Quads - please select from list.

Octal power tube (Max Plate Watts = 25W)

JJ Electronic KT88 - Blue Glass Available in Singles, Matched Pairs, Matched Quads or Matched Sextets - please select from list.

JJ Electronic E34L - Burned-In Available in Singles, Matched Pairs or Matched Quads - please select from list.

JJ Electronics ECC802/12AU7 dual triode, long plate with gold pins.

EL509 power tube, JJ Brand. Please note that this is an 8 pin tube that has no plate cap. It is not interchangeable with NOS EL509s.

JJ Electronics 6386 dual triode with spiral filament and gold pins.

Tired of all the hullabaloo when it comes to vacuum tubes? The 12AX7 is the most widely used tube today and is also one of the most important components in your tube amp's tone. The 12AX7 Sampler Set (includes 10 different tubes) allows you to try the most popular choices today and see for your self what the differences are. Preamp tubes can be easily swapped in and out of your amp without the need for biasing. We reserve the right to substitute any of these tubes with one of equal value based on availability. 12AX7-S-JJ: JJ Brand. Our most popular 12AX7.

4 pin power tube (Max Plate Watts = 40W)

This is JJ's 2A3, with up to 40 watts of plate dissipation.

JJ Electronics ECC99 RF dual triode, with gold pins.

Large bottle, with a big warm sound. Burned In for maximum stability, matched pair.

Tube Complement for B-52 ST100 Includes: (1) T-6L6GC-JJ-MQ, which includes: (4) T-6L6GC-JJ (5) T-12AX7-S-JJ (1) T-12AT7-JJ (1) T-5AR4-JJ

Tube Complement for Blackstar Venue Series HT Club 40W Includes: (1) T-EL34-JJ-MP, which includes: (2) T-EL34-JJ (2) T-12AX7-S-JJ

Tube Complement for Fender Blackface Super Reverb Includes: (1) T-6L6GC-JJ-MP, which includes: (2) T-6L6GC-JJ (4) T-12AX7-S-JJ (2) T-12AT7-JJ (1) T-5AR4-JJ

Tube Complement for Fender Champ Includes: (1) T-6V6-S-JJ (1) T-12AX7-S-JJ (1) T-5Y3-S-JJ

This tube has a well balanced, colorful tone with strongly defined lows, mids and smooth highs. It allows for more clean head-room than higher gain 12AX7s. In overdrive, it is smooth and strong with well defined lows and mids. When pushed into overdrive it offers clean distortion with well balanced lows and mids. The JJ 12AX7 is well suited for all types of music and playing styles. It is also highly recommended for studio pre-amps and hi-fi gear