Groove Tubes / 5U4GB-GROOVE TUBES SUPER PREMIUM

5U4GB-GROOVE TUBES SUPER PREMIUM 5U4GB-GROOVE TUBES SUPER PREMIUM Click on image(s) above to view larger
£30.00
£28.33

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Groove tubes were founded back in 1979 by Aspen Pittman and have become one of the most respected valve brands in the world.

We Offer The best tested Groove Tube valves in the world

We take selected GT items and in addition to GTs in house testing and distortion rating on output valves they also undergo our own unique real world burst testing. The burst testing process involves a series of varying timed electrical signal bursts. This runs the valves under the same stress conditions that they will meet in your amplifier. All output valves are then dual matched by us on current and gain. This will ensure that you get the best selected GT valves available anywhere in the world.

We believe this combination gives you the best tested valves available anywhere in the world.
The GT 5U4GB rectifier is used in the Fender Bassman reissue and vintage amps such as the Fender Super Reverbs and Bandmasters. The GT 5U4GB is the straight sided replica of the famous American made 5U4GB

All Groove Tubes rectifiers that are purchased from Watford valves are further tested by us for physical operation and characteristics and undergo our real world testing under the same stress conditions that they will meet in your amplifier.

All rectifiers voltages are dual selected on forward and reverse parameters. This will ensure that you get the best selected valves available

5Z3P & 5Z3PA is a Chinese valve with an octal bass. The we have found the straight sided 5U4GB to be superior. So make sure your items has an octal bass if you are considering this item.

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