A Paralleled 6HB6 push pull amp. I started with Tubelab’s SimplePP board and modified it to use 6HB6 tubes. I liked it..alot. So I paralleled more 6HB6 and changed power and output transformers and ended up with about a 30W amp.
With no input there is a slight hum. It wasn’t there before I paralleled the tubes so most likely it’s wiring. I didn’t notice it with music playing so it didn’t bother me but i’m sure it will bother some.
I have extra 6HB6 tubes.
power transformer is a Amplimo toroid 5N1609
output transformers are Amplimo toroidal 3A534-UL 3.54K ohm
$400.00 plus shipping (I’m guessing it weighs close to 40 lbs.)
With no input there is a slight hum. It wasn’t there before I paralleled the tubes so most likely it’s wiring. I didn’t notice it with music playing so it didn’t bother me but i’m sure it will bother some.
I have extra 6HB6 tubes.
power transformer is a Amplimo toroid 5N1609
output transformers are Amplimo toroidal 3A534-UL 3.54K ohm
$400.00 plus shipping (I’m guessing it weighs close to 40 lbs.)
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