Mmm... not the best headline in the world perhaps.
Along with being a bass player, I'm also an electronics engineer. And, now I'm retired, I've started my own little cottage industry building my infamous "T'Watt" high-gain, low-output, valved guitar amplifiers.
These are the amps I use for all my guitar parts.
They're horribly expensive, but each one is hand-built to order from scratch. I don't carry a stock, so waiting times can be as long as a month.
Would I buy one? Not at the prices I charge, which is why I built my own! (I love a paradox)
And if that hasn't put you off, maybe the web site will.