Valve of the month demise

It is with some sadness but some relief that we are no longer pretending that we can continue with Valve of the month, simply because the list is not endless. We could continue with non-audio valves, but that is not really are reason for being. We will bring you more information about particular valves as they come to us. However, you can glean lots of fascinating facts about all sorts of valves at the excellent r-type.org website here.