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advice for bass preamp tube replacement?

Estimable Member
Joined: 11 years ago
Posts: 110
Topic starter  

i know this is a strange question but does anyone know of any good tubes that work well for 1 tube preamps? im looking for a warmer sound that still retains highs.. looking to change out my junk sovtek 12ax7WA. its served me well, but its never really given me goosebumps on a good tone night. im looking for a hi fi sound with good warmth. i know 1 tube wont make a huge difference but every little thing counts.

bassist for the crux
Randall RB-125-115 120 watt 15" eminence spk.
Randall RBA 500
2X Acoustic B115's
Peavey T-40
Indiana P-bass