Hello, Joe from GBE here! This is a long one!
In the final episode of the tube amp build series, we will apply power to the amplifier for the first time, perform several tests and checks, and ultimately listen to the amp.
I hope everyone enjoyed the build series! If you missed any episodes, you can grab the entire playlist here:
Thanks for watching!
- Joe, GBE
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Resources:
Robrob's tube bias calculator: https://robrobinette.com/Tube_Bias_Calculator.htm
7591 datasheet: https://frank.pocnet.net/sheets/168/7/7591.pdf
If you're interested in making your own bulb limiter, check out uncle doug's video here: https://www.youtube.com/watch?v=wRFRwOnLsZI
and this article from Robrob: https://robrobinette.com/5e3_Modifications.htm#Light_Bulb_Current_Limiter