The range of products which are sold by YUMAGOLD Ltd includes vacuum tubes or valves as they are known in the UK. The valves are specially selected to give exceptional performance, reliability and sound tonal quality when used in guitar amplifiers. These specially selected valves are manufactured in China and once they have been performance tested are printed with the YUMAGOLD logo and part number. An example of a yumagold valve can be seen in the image below. This is a 6V6-GT valve which is used in the power output stages of valve guitar amplifiers.
The YumaGold web site has many musical instruments and accessories including
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