5U4G with box

JJ 5U4GB Rectifier Valve – Premium Fully Tested

JJ 5U4GB Rectifier valve brand new. We test every rectifier we sell on our Avo testers. Each unit comes with the test results on the box.  Excellent valve for harnessing rectifier sag.




$25.07

Product Description

The JJ 5U4GB Rectifier Valve is used in famous amps such as the Fender amps. The JJ 5U4GB rectifier valve is the variant of the the 5U4GB Rectifier valve that can carry the highest current at 275mA  with other variants rated at 250mA.  Every little helps !  Valve rectifiers  are characterised by the ” sag” that they introduce which is a bit like compression. The result is a better sustaining note at the same volume as an amp with solid state power supply rectification.  JJ 5U4’s do give a better sound!. Each unit is tested on an Avo tester and the results are on the boxes and on each valve.

The 5U4GB will produce a 100 watts of HT voltage so is excellent for 50-80 watt guitar amps.  The original black & silverface Fender Deluxe Reverbs used the 5U4G rectifier and that is one great sounding amplifier.

Click here for the JJ 5U4G Rectifier Valve data sheet

We also offer a 120 day from purchase warranty on the product ( excludes user caused mechanical damage failure). We test every 5u4GB on our analogue testers before shipping. We test every unit before shipment to give you the assurance of a quality brand new product

You might like to check out our blog on repairing valve guitar amps by clicking here

The JJ 5U4GB Rectifier  is the better alternative to replacing your old worn 5U4’s  with solid state rectifiers.  Over time, valve rectifiers loose emission and so their impedance increases.  This leads to a lower voltage especially on your output stage in your amp which can mean less clean sounds at higher volume or even lower maximum volume.

We test every 5U4GB that we ship

Note: Valves use high voltages and these voltages are dangerous. The amp can still retain these high voltages for some time even after being switched off.  If you are not sure of fitting them , please seek the services of qualified personnel

Additional Information

Weight0.1 kg
Brand

JJ Electronics

Customer Reviews


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"Fantastic service! Early really helpful and knowledgeable. Tubes relieved very quickly as well! Thank you so much!" - A.L. 14th Nov 2019

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"Excellent service. Stewart has a genuine interest in his customers which really adds a personal touch to the overall experience. Highly recommended and will be back future purchases. Thank you.."- A.C. 2nd December, 2019

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