If the old tube preamp has tape-out jacks, run from these to an aux input on your primary preamp.
However, don't pass up the opportunity to listen to the "old CJ or Counterpoint" tube preamp as your primary preamp. You may be pleasantly suprised.
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However, don't pass up the opportunity to listen to the "old CJ or Counterpoint" tube preamp as your primary preamp. You may be pleasantly suprised.
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