I'm new at this, but I'm old school at heart. Where would one start to build a 50 WPC two channel tube amp? I'd like to keep the cost under $400. BTW, I know very little about this, but I'm one of those people who learn by doing. So at the very least, I'll know what I did wrong.
50 watts per channel would require a very large very high voltage single tube or two or more tubes per channel in a push pull or parallel push pull configuration. Keeping it under $400 would be next to impossible with the cost of the power and output transformers alone reaching that.
True your speaker efficiency determines how much power you need.
A full tube amplifier kit would be the best place to start. The design is already tested and you get all the parts you need to built the kit, along with instructions.
Those look like great kits. I underestimated the costs, but that's not a deal breaker. I will give those some serious consideration. Thanks.
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