Category: Accessories

Are you looking for the best KT66 tubes? These three options offer different takes on the KT66 output-valve format, from the Genalex Gold Lion’s clear-glass rei...

Are you looking for the best 5881 tubes? These three models offer different combinations of compact construction, selection and vintage-inspired design. Sovtek ...

Looking for the best 7591 tubes? These two 7591A models are worth comparing for a compatible vintage hi-fi or guitar amplifier. Physical size is an important di...

Are you looking for the best 5U4G tubes? These four rectifiers from JJ, Electro-Harmonix, PSVANE and Sovtek offer a useful comparison of straight-sided and trad...

The best 7025 tube depends on the job it needs to do in your amplifier. Low noise matters in a sensitive first gain stage, while the way a valve responds in you...

Are you looking for the best sounding 6SL7 tubes? These four options range from straightforward JJ and Sovtek replacements to a Tung-Sol reissue and the current...

Looking for the best 300B tube for your amplifier? These four models offer a useful comparison of traditional clear-glass designs, a dark-coated Treasure versio...

If you are looking for the best 6550 tube, these four models are a useful place to start. Sovtek, Tung-Sol, Electro-Harmonix and JJ take different approaches to...

Can’t find the best KT88 tube for your amplifier? These three options offer different combinations of internal construction, finish and set selection. The Genal...

The best KT77 tubes are the ones that suit your amplifier’s output stage and the way you use it. The Genalex Gold Lion and JJ Electronic models below offer two ...