Celery.
And not a bass guitar, but valve amps. 28 Years ago I was using a cobbled together valve amp that hummed, hissed, and failed at any moment. Never again - give me a reliable SS amp any day. I couldn't afford one so ended up slowly building my own over a six month period.
Wind forward to now, and my current fave squeeze is my Little Bastard 30. It's divine.