Name the det/pre-amp with # of tubes of 8
CREATE TABLE table_name_74 (det_pre_amp VARCHAR, _number_tubes VARCHAR)
SELECT det_pre_amp FROM table_name_74 WHERE _number_tubes = "8"
### Context: CREATE TABLE table_name_74 (det_pre_amp VARCHAR, _number_tubes VARCHAR) ### Question: Name the det/pre-amp with # of tubes of 8 ### Answer: SELECT det_pre_amp FROM table_name_74 WHERE _number_tubes = "8"