When I bought my Ashdown amp, the shop guy couldn't find the manual for it, so I downloaded it off the website. What I need to know though, is whether I need to replace the tubes in the pre-amp section and how often?
Only replace them if they break or you don't like the sound of the particular brand of tubes. People always think they need to replace the tubes regularly but there's absolutley no need to unless they stop working.
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