text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_25276250_3 (release_year VARCHAR, outputs VARCHAR, notes VARCHAR)
  ### Question:
  What year were outputs is 2x pro bias, rca loop out and notes is vacuum tube released?
  ### Answer:
  SELECT release_year FROM table_25276250_3 WHERE outputs = "2x Pro Bias, RCA Loop Out" AND notes = "Vacuum tube"