This is silly - pressure washers and religion and liquid and airy sound. Nonsense!!! Everybody knows that to preserve the life of a SS amp you must put a piece of fresh meat on top of it periodically. Use only beef, lamb, or pork. NO CHICKEN - not even if it is free range! It is time to change the meat when it a turns light shade of taupe. Do not leave the meat until it is green - that is just plain cheap.
For tube amps, place a bowl of cooked lima beans on top each week, and keep the beans hydrated. Smear uncooked duck fat on the face plate and sides of the amp. If you use 300B tubes (or are just looking for a little extra insurance) smear the uncooked duck fat on your chest and forehead and dance naked at sundown on your front lawn/porch/balcony/roof to further appease the audio gods.
Hope that helps.
For tube amps, place a bowl of cooked lima beans on top each week, and keep the beans hydrated. Smear uncooked duck fat on the face plate and sides of the amp. If you use 300B tubes (or are just looking for a little extra insurance) smear the uncooked duck fat on your chest and forehead and dance naked at sundown on your front lawn/porch/balcony/roof to further appease the audio gods.
Hope that helps.