This is a completely rebuilt vintage Eico ST-40 tube amp.I had this custom-made constructed by Tinkertoys Electronics repair work for my dad just recently and also he does not necessary it anymore so I'm selling it for my cost.Al at Tinkertoys put a great deal of time into this child with 99 % of changed components(A) 1 % metal movie 1/2 -1 watt resistors(B)Panasonic polypropylene/polystyrene caps.Long lead elements, teflon sleeved combined with some electrical wiring updated to airplane specification would teflon, silver plated multistrand cable and also brand-new commercial quality tubes that are more reliable and longer life than originals.The outcome is an extremely pleasant seeming tube amp producing minimal 20 wpc that undoubtedly appears far better compared to new. A distinctive essentially brand-new vintage item of equipment that has actually to be listened to.