I bought a pair of Royal Princess 300b whose specs were stressing my 300b SET. (The measured mA was on the high end of the curve, and my Ancient Audio had a protective circuit that tripped after about 2 hours of use.) Because I live in DC, I visited Sophia Electric. They combed their inventory to find a pair of tubes that worked perfectly in my amp and did not charge me for the replacements.
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- 11 posts total
- 11 posts total