Peramp suggestions needed


Hi I am looking for a preamp for under $500 that would be replacing my Behringer 502. It is going to be driving my SCS Model 2150A amp. Any suggestions are welcome.
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Yogiboy gave good recommendations, I would also keep an eye out for an old Sumo Preamp... The Athena and Athena II or surprisingly good, Same preamp, the Athena is a better buy than the II, should get one for around $250
Aronov LS 9000 with its asking price of $400 currently listed.
Very well built, attractive, and listenable high quality line stage tube preamp for lowest price I can recall seeing.
Competitive with Schubert's tube recommendations at start of this thread.