Description
The Groove Tube GT-5AR4-R is a rectifier tube designed for players running higher-powered, tube-rectified amps. It’s the go-to replacement for early Fender designs rated 40 watts and above, where a standard rectifier just can’t keep up with the current demands.
- Highest-output rectifier tube in the Groove Tubes lineup
- Matches specs used in early high-wattage Fender amplifiers with tube rectification
- Backed by a limited warranty
Like every tube that carries the Groove Tubes name, the GT-5AR4-R goes through rigorous certification before it ships. That means checks for microphonics, hum, noise floor, and overall physical performance — all evaluated specifically for how the tube behaves in a musical instrument amp, not just on a generic bench test. The result is a rectifier that delivers the sag and touch-sensitivity vintage tone chasers expect, without the reliability headaches of an uncertified tube.
If your amp’s tone has gotten soft, sluggish, or unpredictable, a worn rectifier tube is often the culprit. Swapping in a properly rated, tested replacement like this one restores the dynamic response and headroom your amp was built to deliver — especially important in higher-wattage tube-rectified heads and combos where the rectifier does real work under load.
A practical upgrade for gigging guitarists and bassists alike, this tube fits amps that call for a 5AR4-type rectifier and is a smart addition to any backup parts kit.
Reviews
There are no reviews yet.