SOLD
A lightly used pair of Sophia Royal Princess 300B tubes with 300-400 hours use. I have many amps and not a lot of time so these have been used only occasionally, but offered excellent sound. I sold my 300B amps so I don't have a use for these. Shipping included in the Continental USA. Please check my perfect feedback under Guppy on Audiogon. The price is $599./pair shipped. SOLD
