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T-5U4GB-JJ
T-5U4GB-JJ
Item ID: 004567
5U4GB - JJ Electronics
5U4GB is a directly heated full wave octal base rectifier for Hi-Fi and guitar amplifiers. Suitable for use in any 5U4 socket.
$16.00
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T-6550A-STR
T-6550A-STR
Item ID: 004601
6550A STR - Ruby Tubes
Multiple Options Available
6550A-STR, Ruby brand, Power Tube
Starting at $58.40
Out of Stock
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P-YJR
P-YJR
Item ID: 003636
Solid State Tube Rectifier - Yellow Jackets®, YJR

The YJR is a direct plug-in replacement adapter for use in most amplifiers that use 5AR4/GZ34, 5U4, 5Y3 or similar full-wave rectifier tubes. The YJR converts your amp’s vacuum tube rectifier to a solid state rectifier, reducing tube sag for a tighter sound and feel. The tube rectifier can easily be swapped back in when sag is desired. This Yellow Jacket® is a solid state device and as such does not come with vacuum tubes.



  • Converts most audio amplifiers which use a vacuum tube rectifier 5AR4/GZ34, 5U4 or 5Y3 to a solid state device.
  • Safe for all common amplifiers and transformers.


Note: Because there is no warm up of a rectifier tube when using this solid state device, it is critical that a standby switch is used that will allow the power tube filaments to warm up before high voltage is applied.


$14.95
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T-12AX7WA-SOVT
T-12AX7WA-SOVT
Item ID: 004460
12AX7WA - Sovtek

9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube has strong lows and bright highs. Its lows demand attention when playing full bar chords. In overdrive, it offers a lot of crunchy fizz.


$14.95
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T-12AU7-JJ-X
T-12AU7-JJ-X
Item ID: 004437
12AU7/ECC82 - JJ Electronics
Multiple Options Available

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. Available with gold pins


Starting at $9.95
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T-6L6-EH
T-6L6-EH
Item ID: 004727
6L6 - Electro-Harmonix
Multiple Options Available
Electro-Harmonix 6L6 Vacuum Tube
Beam power tetrode modeled after the vintage RCA 6L6GC "blackplate". Features large plate dimensions and improved grid structure for increased power handling capabilities.
Starting at $19.25
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T-6V6GT-EH
T-6V6GT-EH
Item ID: 004784
6V6GT - Electro-Harmonix
Multiple Options Available

Octal power tube (Max Plate Watts = 14W) Beam power tetrode with a specially developed cathode coating, careful alignment of the grid, tri-alloy plate material for flawless performance up to 475 volts. Perfect for high plate voltage amplifiers like the Fender Deluxe Reverb.


Starting at $18.50
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T-12AY7-EH
T-12AY7-EH
Item ID: 004464
12AY7/6072A - Electro-Harmonix

Electro-Harmonix 12AY7/6072 Twin triode preamplifier tube used in Fender Tweed amplifiers.


$15.75
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T-12AX7LPS-SOVT
T-12AX7LPS-SOVT
Item ID: 004459
12AX7LPS - Sovtek

9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube is full bodied and well balanced. It has a high gain with a very smooth presentation. In overdrive, it is not quite as defined as the 12AX7-S-JJ, but it offers more crunchy fizz.


$13.50
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T-12DW7-JJ-X
T-12DW7-JJ-X
Item ID: 004479
12DW7/ECC832 - JJ Electronics
Multiple Options Available

ECC832 is 12DW7 pre-amplifying double triode. It combines 12AX7 and 12AU7, where the 12AX7 is used as 1st stage and the 12AU7 as 2nd stage. Available with gold pins


Starting at $10.90
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(87 pages)
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